FN4910 Rev 22.00 Page 1 of 33
December 9, 2015
FN4910
Rev 22.00
December 9, 2015
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E,
ICL3243E
DATASHEET
The Intersil ICL32xxE devices are 3.0V to 5.5V
powered RS-232 transmitters/receivers which meet
ElA/TIA-232 and V.28/V.24 specifications, even at VCC
= 3.0V. Additionally, they provide ±15kV ESD
protection (IEC61000-4-2 Air Gap and Human Body
Model) on transmitter outputs and receiver inputs (RS-
232 pins). Targeted applications are PDAs, Palmtops,
and notebook and laptop computers where the low
operational, and even lower standby, power
consumption is critical. Efficient on-chip charge pumps,
coupled with manual and automatic power-down
functions (except for the ICL3232E), reduce the
standby supply current to a 1µA trickle. Small footprint
packaging, and the use of small, low value capacitors
ensure board space savings as well. Data rates greater
than 250kbps are guaranteed at worst case load
conditions. This family is fully compatible with 3.3V-
only systems, mixed 3.3V and 5.0V systems, and
5.0V-only systems.
The ICL324XE are 3-driver, 5-receiver devices that
provide a complete serial port suitable for laptop or
notebook computers. Both devices also include
noninverting always-active receivers for “wake-up”
capability.
The ICL3221E, ICL3223E and ICL3243E, feature
an automatic power-down function which powers
down the on-chip power-supply and driver circuits.
This occurs when an attached peripheral device is shut
off or the RS-232 cable is removed, conserving system
power automatically without changes to the hardware
or operating system. These devices power up again
when a valid RS-232 voltage is applied to any receiver
input.
Table 1 summarizes the features of the devices
represented by this data sheet, while Application Note
AN9863 summarizes the features of each device
comprising the ICL32xxE 3V family.
Features
• ESD Protection for RS-232 I/O Pins to ±15kV
(IEC61000)
• Drop in Replacements for MAX3221E, MAX3222E,
MAX3223E, MAX3232E, MAX3241E, MAX3243E,
SP3243E
• ICL3221E is a Low Power, Pin Compatible Upgrade
for 5V MAX221E
• ICL3222E is a Low Power, Pin Compatible Upgrade
for 5V MAX242E, and SP312E
• ICL3232E is a Low Power Upgrade for HIN232E,
ICL232 and Pin Compatible Competitor Devices
• RS-232 Compatible with VCC = 2.7V
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
•Latch-Up Free
• On-Chip Voltage Converters Require Only Four
External 0.1µF Capacitors
• Manual and Automatic Power-Down Features
• Guaranteed Mouse Driveability (ICL324xE Only)
• Receiver Hysteresis For Improved Noise Immunity
• Guaranteed Minimum Data Rate 250kbps
• Wide Power Supply Range Single +3V to +5.5V
• Low Supply Current in Power-Down State1µA
• Pb-Free Available (RoHS Compliant)
Applications
• Any System Requiring RS-232 Communication
Ports
- Battery Powered, Hand-Held, and Portable
Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
-Digital Cameras
- Cellular/Mobile Phones
Related Literature
•Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount
Devices (SMDs)”
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 2 of 33
December 9, 2015
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER NUMBER
OF Tx NUMBER
OF Rx
NUMBER OF
MONITOR
RECEIVERS
(ROUTB)
DATA
RATE
(kbps)
RECEIVER
ENABLE
FUNCTION? READY
OUTPUT? MANUAL
POWER-DOWN?
AUTOMATIC
POWER-
DOWN
FUNCTION?
ICL3221E 1 1 0 250 Yes No Yes Yes
ICL3222E 2 2 0 250 Yes No Yes No
ICL3223E 2 2 0 250 Yes No Yes Yes
ICL3232E 2 2 0 250 No No No No
ICL3241E 3 5 2 250 Yes No Yes No
ICL3243E 3 5 1 250 No No Yes Yes
Typical Operating Circuits ICL3221E
15
VCC
T1OUT
T1IN
T1
0.1µF
+0.1µF
+
0.1µF
11 13
2
4
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
5
6
R1OUT R1IN
R1
89
5kΩ
C1
C2
+C3
C4
EN
1
GND
+3.3V +0.1µF
14
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
FORCEON
FORCEOFF
12
16 VCC
10
INVALID TO POWER
CONTROL LOGIC
+
C3 (OPTIONAL CONNECTION, NOTE)
NOTE: THE NEGATIVE TERMINAL OF C3 CAN BE CONNECTED TO EITHER VCC OR GND
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 3 of 33
December 9, 2015
ICL3222E
ICL3223E
Typical Operating Circuits (Continued)
17
VCC
T1OUT
T2OUT
T1IN
T2IN
T1
T2
0.1µF
+0.1µF
+
0.1µF
12
11
15
8
2
4
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
5
6
R1OUT R1IN
14
5kΩ
R2OUT R2IN
9
10
5kΩ
13
C1
C2
+C3
C4
EN
SHDN
1
GND
18
+3.3V +0.1µF
16
VCC
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R1
R2
+
C3 (OPTIONAL CONNECTION, NOTE)
NOTE: THE NEGATIVE TERMINAL OF C3 CAN BE CONNECTED TO EITHER VCC OR GND
19
VCC
T1OUT
T2OUT
T1IN
T2IN
T1
T2
0.1µF
+0.1µF
+
0.1µF
13
12
17
8
2
4
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
5
6
R1OUT R1IN
16
5kΩ
R2OUT R2IN
910
5kΩΩ
15
C1
C2
+C3
C4
EN
1
GND
+3.3V +0.1µF
18
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R1
R2
FORCEON
FORCEOFF
14
20 VCC
11
INVALID TO POWER
CONTROL LOGIC
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 4 of 33
December 9, 2015
ICL3232E
Typical Operating Circuits (Continued)
16
VCC
T1OUT
T2OUT
T1IN
T2IN
T1
T2
0.1µF
+
0.1µF
+
0.1µF
11
10
14
7
1
3
2
6
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
4
5
R1OUT R1IN
13
5kΩ
R2OUT R2IN
8
9
5kΩ
12
C1
C2
+C3
C4
GND
+3.3V +0.1µF
15
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R1
R2
+
C3 (OPTIONAL CONNECTION, NOTE)
NOTE: THE NEGATIVE TERMINAL OF C3 CAN
BE CONNECTED TO EITHER VCC OR GND
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 5 of 33
December 9, 2015
ICL3241E ICL3243E
Typical Operating Circuits (Continued)
26
VCC
T1OUT
T2OUT
T3OUT
T1IN
T2IN
T3IN
T1
T2
T3
0.1µF
+0.1µF
+
0.1µF
14
13
9
10
12 11
28
24
27
3
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
1
2
R1OUT R1IN
4
5kΩ
R2OUT R2IN
518
5kΩ
R3OUT R3IN
617
5kΩ
R4OUT R4IN
716
5kΩ
R5OUT R5IN
R5
815
5kΩ
19
R2OUTB
C1
C2
+C3
C4
EN
SHDN
23
GND
22
+3.3V +0.1µF
20
25
VCC
TTL/CMOS
LOGIC
RS-232
LEVELS
RS-232
LEVELS
R1OUTB
21
R1
R2
R3
R4
LEVELS
26
VCC
T1OUT
T2OUT
T3OUT
T1IN
T2IN
T3IN
T1
T2
T3
0.1µF
+0.1µF
+
0.1µF
14
13
9
10
12 11
28
24
27
3
V+
V-
C1+
C1-
C2+
C2-
+
0.1µF
1
2
R1OUT R1IN
4
5kΩ
R2OUT R2IN
518
5kΩ
R3OUT R3IN
617
5kΩ
R4OUT R4IN
716
5kΩ
R5OUT R5IN
R5
815
5kΩ
19
R2OUTB
C1
C2
+C3
C4
FORCEON
FORCEOFF
23
GND
22
+3.3V +0.1µF
20
25
VCC
TTL/CMOS
LOGIC
RS-232
LEVELS
RS-232
LEVELS
R1
R2
R3
R4
21
INVALID
TO POWER
CONTROL
LEVELS
LOGIC
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 6 of 33
December 9, 2015
Pin Configurations
ICL3221E
(16 LD SSOP, TSSOP)
TOP VIEW
ICL3222E
(18 LD PDIP, SOIC)
TOP VIEW
ICL3222E
(20 LD SSOP, TSSOP)
TOP VIEW
ICL3223E
(20 LD SSOP, TSSOP)
TOP VIEW
ICL3232E
(16 LD SOIC, SSOP, TSSOP-16)
TOP VIEW
ICL3232E
(20 LD TSSOP-20)
TOP VIEW
EN
C1+
V+
C1-
C2+
C2-
V-
R1IN
FORCEOFF
GND
T1OUT
FORCEON
T1IN
R1OUT
VCC
INVALID
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
EN
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
SHDN
GND
T1OUT
R1IN
R1OUT
T2IN
VCC
T1IN
R2OUT
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
EN
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
SHDN
GND
T1OUT
R1IN
R1OUT
T1IN
NC
VCC
NC
T2IN
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
R2OUT
EN
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
FORCEOFF
GND
T1OUT
R1IN
R1OUT
T1IN
INVALID
VCC
FORCEON
T2IN
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
R2OUT
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
VCC
T1OUT
R1IN
R1OUT
T1IN
R2OUT
GND
T2IN
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
NC
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
NC
GND
T1OUT
R1IN
R1OUT
T1IN
NC
VCC
T2IN
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
NC
R2OUT
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 7 of 33
December 9, 2015
ICL3241E
(28 LD SOIC, SSOP, TSSOP)
TOP VIEW
ICL3243E
(28 LD SOIC, SSOP, TSSOP)
TOP VIEW
Pin Configurations (Continued)
C2+
C2-
V-
R1IN
R2IN
R3IN
R4IN
R5IN
T1OUT
T3OUT
T3IN
T2IN
T1IN
C1+
VCC
GND
C1-
EN
R1OUTB
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
V+
SHDN
R2OUTB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
T2OUT
C2+
C2-
V-
R1IN
R2IN
R3IN
R4IN
R5IN
T1OUT
T3OUT
T3IN
T2IN
T1IN
C1+
VCC
GND
C1-
FORCEON
INVALID
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
V+
FORCEOFF
R2OUTB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
T2OUT
Pin Descriptions
PIN FUNCTION
VCC System power supply input (3.0V to 5.5V).
V+ Internally generated positive transmitter supply (+5.5V).
V- Internally generated negative transmitter supply (-5.5V).
GND Ground connection.
C1+ External capacitor (voltage doubler) is connected to this lead.
C1- External capacitor (voltage doubler) is connected to this lead.
C2+ External capacitor (voltage inverter) is connected to this lead.
C2- External capacitor (voltage inverter) is connected to this lead.
TIN TTL/CMOS compatible transmitter Inputs.
TOUT 15kV ESD Protected, RS-232 level (nominally 5.5V) transmitter outputs.
RIN 15kV ESD Protected, RS-232 compatible receiver inputs.
ROUT TTL/CMOS level receiver outputs.
ROUTB TTL/CMOS level, noninverting, always enabled receiver outputs.
INVALID Active low output that indicates if no valid RS-232 levels are present on any receiver input.
EN Active low receiver enable control; doesn’t disable ROUTB outputs.
SHDN Active low input to shut down transmitters and on-board power supply, to place device in low power mode.
FORCEOFF Active low to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and
FORCEON (see Table 2).
FORCEON Active high input to override automatic power-down circuitry thereby keeping transmitters active (FORCEOFF must
be high).
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 8 of 33
December 9, 2015
Ordering Information
PART NUMBER
(Note 3) PART
MARKING
TEMP
RANGE
(°C) PACKAGE PKG.
DWG. #
ICL3221ECA ICL 3221ECA 0 to +70 16 Ld SSOP M16.209
ICL3221ECA-T (Note 1) ICL 3221ECA 0 to +70 16 Ld SSOP M16.209
ICL3221ECAZ (Note 2) ICL32 21ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3221ECAZ-T (Notes 1, 2) ICL32 21ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3221ECAZA (Note 2) ICL32 21ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3221ECAZA-T (Notes 1, 2) ICL32 21ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3221ECV 3221 ECV 0 to +70 16 Ld TSSOP M16.173
ICL3221ECVZ (Note 2) 3221 ECVZ 0 to +70 16 Ld TSSOP (Pb-free) M16.173
ICL3221ECVZ-T (Notes 1, 2) 3221 ECVZ 0 to +70 16 Ld TSSOP (Pb-free) M16.173
ICL3221EIA ICL 3221EIA -40 to +85 16 Ld SSOP M16.209
ICL3221EIA-T (Note 1) ICL 3221EIA -40 to +85 16 Ld SSOP M16.209
ICL3221EIAZ (Note 2) ICL32 21EIAZ -40 to +85 16 Ld SSOP (Pb-free) M16.209
ICL3221EIAZ-T (Notes 1, 2) ICL32 21EIAZ -40 to +85 16 Ld SSOP (Pb-free) M16.209
ICL3221EIVZ (Note 2) 3221 EIVZ -40 to +85 16 Ld TSSOP (Pb-free) M16.173
ICL3221EIVZ-T (Notes 1, 2) 3221 EIVZ -40 to +85 16 Ld TSSOP (Pb-free) M16.173
ICL3222ECA-T (Note 1) ICL 3222ECA 0 to +70 20 Ld SSOP M20.209
ICL3222ECAZ (Note 2) ICL32 22ECAZ 0 to +70 20 Ld SSOP (Pb-free) M20.209
ICL3222ECAZ-T (Notes 1, 2) ICL32 22ECAZ 0 to +70 20 Ld SSOP (Pb-free) M20.209
ICL3222ECP ICL3222ECP 0 to +70 18 Ld PDIP E18.3
ICL3222ECV-T (Note 1) ICL 3222ECV 0 to +70 20 Ld TSSOP M20.173
ICL3222ECVZ (Note 2) ICL32 22ECVZ 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3222ECVZ-T (Notes 1, 2) ICL32 22ECVZ 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3222EIAZ (Note 2) ICL32 22EIAZ -40 to +85 20 Ld SSOP (Pb-free) M20.209
ICL3222EIAZ-T (Notes 1, 2) ICL32 22EIAZ -40 to +85 20 Ld SSOP (Pb-free) M20.209
ICL3222EIB ICL3222EIB -40 to +85 18 Ld SOIC M18.3
ICL3222EIB-T (Note 1) ICL3222EIB -40 to +85 18 Ld SOIC M18.3
ICL3222EIBZ (Note 2) 3222EIBZ -40 to +85 18 Ld SOIC (Pb-free) M18.3
ICL3222EIBZ-T (Notes 1, 2) 3222EIBZ -40 to +85 18 Ld SOIC (Pb-free) M18.3
ICL3222EIV ICL 3222EIV -40 to +85 20 Ld TSSOP M20.173
ICL3222EIV-T (Note 1) ICL 3222EIV -40 to +85 20 Ld TSSOP M20.173
ICL3222EIVZ (Note 2) ICL32 22EIVZ -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3222EIVZ-T (Notes 1, 2) ICL32 22EIVZ -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3223ECA ICL 3223ECA 0 to +70 20 Ld SSOP M20.209
ICL3223ECA-T (Note 1) ICL 3223ECA 0 to +70 20 Ld SSOP M20.209
ICL3223ECAZ (Note 2) ICL32 23ECAZ 0 to +70 20 Ld SSOP (Pb-free) M20.209
ICL3223ECAZ-T (Notes 1, 2) ICL32 23ECAZ 0 to +70 20 Ld SSOP (Pb-free) M20.209
ICL3223ECV ICL 3223ECV 0 to +70 20 Ld TSSOP M20.173
ICL3223ECVZ (Note 2) ICL32 23ECVZ 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3223ECVZ-T (Notes 1, 2) ICL32 23ECVZ 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 9 of 33
December 9, 2015
ICL3223EIAZ (Note 2) ICL32 23EIAZ -40 to +85 20 Ld SSOP (Pb-free) M20.209
ICL3223EIAZ-T (Notes 1, 2) ICL32 23EIAZ -40 to +85 20 Ld SSOP (Pb-free) M20.209
ICL3223EIV ICL 3223EIV -40 to +85 20 Ld TSSOP M20.173
ICL3223EIVZ (Note 2) ICL32 23EIVZ -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3223EIVZ-T (Notes 1, 2) ICL32 23EIVZ -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3232ECAZ (Note 2) 3232 ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3232ECAZ-T (Notes 1, 2) 3232 ECAZ 0 to +70 16 Ld SSOP (Pb-free) M16.209
ICL3232ECBZ (Note 2) 3232ECBZ 0 to +70 16 Ld SOIC (Pb-free) M16.3
ICL3232ECBZ-T (Notes 1, 2) 3232ECBZ 0 to +70 16 Ld SOIC (Pb-free) M16.3
ICL3232ECBNZ (Note 2) 3232ECBNZ 0 to +70 16 Ld SOIC (Pb-free) M16.15
ICL3232ECBNZ-T (Notes 1, 2) 3232ECBNZ 0 to +70 16 Ld SOIC (Pb-free) M16.15
ICL3232ECV-16Z (Note 2) 3232E CV-16Z 0 to +70 16 Ld TSSOP (Pb-free) M16.173
ICL3232ECV-16Z-T (Notes 1, 2) 3232E CV-16Z 0 to +70 16 Ld TSSOP (Pb-free) M16.173
ICL3232ECV-20Z (Note 2) ICL3232 ECV-20Z 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3232ECV-20Z-T (Notes 1, 2) ICL3232 ECV-20Z 0 to +70 20 Ld TSSOP (Pb-free) M20.173
ICL3232EFV-16Z (Note 2) 3232E FV-16Z -40 to +125 16 Ld TSSOP (Pb-free) M16.173
ICL3232EFV-16Z-T (Notes 1, 2) 3232E FV-16Z -40 to +125 16 Ld TSSOP (Pb-free) M16.173
ICL3232EIAZ (Note 2) 3232 EIAZ -40 to +85 16 Ld SSOP (Pb-free) M16.209
ICL3232EIAZ-T (Notes 1, 2) 3232 EIAZ -40 to +85 16 Ld SSOP (Pb-free) M16.209
ICL3232EIBZ (Note 2) 3232EIBZ -40 to +85 16 Ld SOIC (Pb-free) M16.3
ICL3232EIBZ-T (Notes 1, 2) 3232EIBZ -40 to +85 16 Ld SOIC (Pb-free) M16.3
ICL3232EIBNZ (Note 2) 3232EIBNZ -40 to +85 16 Ld SOIC (Pb-free) M16.15
ICL3232EIBNZ-T (Notes 1, 2) 3232EIBNZ -40 to +85 16 Ld SOIC (Pb-free) M16.15
ICL3232EIV-16Z (Note 2) 3232E IV-16Z -40 to +85 16 Ld TSSOP (Pb-free) M16.173
ICL3232EIV-16Z-T (Notes 1, 2) 3232E IV-16Z -40 to +85 16 Ld TSSOP (Pb-free) M16.173
ICL3232EIV-20Z (Note 2) ICL3232 EIV-20Z -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3232EIV-20Z-T (Notes 1, 2) ICL3232 EIV-20Z -40 to +85 20 Ld TSSOP (Pb-free) M20.173
ICL3241ECAZ (Note 2) ICL3241 ECAZ 0 to +70 28 Ld SSOP (Pb-free) M28.209
ICL3241ECAZ-T (Notes 1, 2) ICL3241 ECAZ 0 to +70 28 Ld SSOP (Pb-free) M28.209
ICL3241ECBZ (Note 2) (No longer available,
recommended replacement: ICL3241EIVZ) ICL3241ECBZ 0 to +70 28 Ld SOIC (Pb-free) M28.3
ICL3241ECBZ-T (Notes 1, 2) (No longer available,
recommended replacement: ICL3241EIVZ) ICL3241ECBZ 0 to +70 28 Ld SOIC (Pb-free) M28.3
ICL3241ECVZ (Note 2) ICL3241 ECVZ 0 to +70 28 Ld TSSOP (Pb-free) M28.173
ICL3241EIAZ (Note 2) ICL3241 EIAZ -40 to +85 28 Ld SSOP (Pb-free) M28.209
ICL3241EIAZ-T (Notes 1, 2) ICL3241 EIAZ -40 to +85 28 Ld SSOP (Pb-free) M28.209
ICL3241EIBZ (Note 2) (No longer available,
recommended replacement: ICL3241EIVZ) ICL3241EIBZ -40 to +85 28 Ld SOIC (Pb-free) M28.3
ICL3241EIBZ-T (Notes 1, 2) (No longer available,
recommended replacement: ICL3241EIVZ) ICL3241EIBZ -40 to +85 28 Ld SOIC (Pb-free) M28.3
Ordering Information (Continued)
PART NUMBER
(Note 3) PART
MARKING
TEMP
RANGE
(°C) PACKAGE PKG.
DWG. #
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 10 of 33
December 9, 2015
ICL3241EIVZ (Note 2) ICL3241 EIVZ -40 to +85 28 Ld TSSOP (Pb-free) M28.173
ICL3241EIVZ-T (Notes 1, 2) ICL3241 EIVZ -40 to +85 28 Ld TSSOP (Pb-free) M28.173
ICL3243ECAZ (Note 2) ICL32 43ECAZ 0 to +70 28 Ld SSOP (Pb-free) M28.209
ICL3243ECAZ-T (Notes 1, 2) ICL32 43ECAZ 0 to +70 28 Ld SSOP (Pb-free) M28.209
ICL3243ECBZ (Note 2) ICL3243ECBZ 0 to +70 28 Ld SOIC (Pb-free) M28.3
ICL3243ECBZ-T (Notes 1, 2) ICL3243ECBZ 0 to +70 28 Ld SOIC (Pb-free) M28.3
ICL3243ECVZ (Note 2) ICL3243 ECVZ 0 to +70 28 Ld TSSOP (Pb-free) M28.173
ICL3243ECVZ-T (Notes 1, 2) ICL3243 ECVZ 0 to +70 28 Ld TSSOP (Pb-free) M28.173
ICL3243EIAZ (Note 2) ICL32 43EIAZ -40 to +85 28 Ld SSOP (Pb-free) M28.209
ICL3243EIAZ-T (Notes 1, 2) ICL32 43EIAZ -40 to +85 28 Ld SSOP (Pb-free) M28.209
ICL3243EIVZ (Note 2) ICL3243 EIVZ -40 to +85 28 Ld TSSOP (Pb-free) M28.173
ICL3243EIVZ-T (Notes 1, 2) ICL3243 EIVZ -40 to +85 28 Ld TSSOP (Pb-free) M28.173
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both
SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ICL3221E, ICL3222E, ICL3223E, ICL3232E,
ICL3241E, ICL3243E. For more information on MSL please see techbrief TB363.
Ordering Information (Continued)
PART NUMBER
(Note 3) PART
MARKING
TEMP
RANGE
(°C) PACKAGE PKG.
DWG. #
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 11 of 33
December 9, 2015
Table of Contents
Typical Operating Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Recommended Operating Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Detailed Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Charge-Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Low Power Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Pin Compatible Replacements for 5V Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power-Down Functionality (Except ICL3232E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Software Controlled (Manual) Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Automatic Power-Down (ICL3221E, ICL3223E, ICL3243E Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Receiver ENABLE Control (ICL3221E, ICL3222E, ICL3223E, ICL3241E Only) . . . . . . . . . . . . . . . . . . . . . . 18
Capacitor Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Supply Decoupling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Operation Down to 2.7V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Transmitter Outputs when Exiting Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mouse Driveability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
High Data Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Interconnection with 3V and 5V Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
±15kV ESD Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Human Body Model (HBM) Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
IEC61000-4-2 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Typical Performance Curves VCC = 3.3V, TA = +25°C.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Die Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
About Intersil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Package Outline Drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 12 of 33
December 9, 2015
Absolute Maximum Ratings Thermal Information
VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
V+ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
V- to GND . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Input Voltages
TIN, FORCEOFF, FORCEON, EN, SHDN . . . . . . -0.3V to 6V
RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25V
Output Voltages
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±13.2V
ROUT
, INVALID . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . See Specification Table
Recommended Operating Conditions
Temperature Range
ICL32xxECX . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ICL32xxEFX . . . . . . . . . . . . . . . . . . . . . -40°C to +125°C
ICL32xxEIX. . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . 3.3V or 5V
Rx Input Voltage . . . . . . . . . . . . . . . . . . . . . -15V to +15V
Thermal Resistance (Typical, Note 4) ΘJA (°C/W)
18 Ld PDIP Package* . . . . . . . . . . . . . . . . . 80
16 Ld Wide SOIC Package . . . . . . . . . . . . . . 100
16 Ld Narrow SOIC Package . . . . . . . . . . . . 115
18 Ld SOIC Package . . . . . . . . . . . . . . . . . . 75
28 Ld SOIC Package . . . . . . . . . . . . . . . . . . 75
16 Ld SSOP Package. . . . . . . . . . . . . . . . . . 135
20 Ld SSOP Package. . . . . . . . . . . . . . . . . . 122
16 Ld TSSOP Package . . . . . . . . . . . . . . . . . 145
20 Ld TSSOP Package . . . . . . . . . . . . . . . . . 140
28 Ld SSOP and TSSOP Packages. . . . . . . . . 100
Maximum Junction Temperature (Plastic Package) . +150°C
Maximum Storage Temperature Range . . . -65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact
product reliability and result in failures not covered by warrant y.
NOTE:
4. JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief
TB379 for details.
Electrical Specifications Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF; Unless Otherwise Specified.
Typicals are at TA = +25°C. Boldface limit s apply ov er t h e ope rat ing temperature
range.
PARAMETER TEST CONDITIONS TEMP
(°C) MIN
(Note 6) TYP MAX
(Note 6) UNITS
DC CHARACTERISTICS
Supply Current, Automatic
Power-Down
All RIN Open, FORCEON = GND, FORCEOFF = VCC
(ICL3221E, ICL3223E, ICL3243E Only)
25 - 1.0 10 µA
Supply Current,
Power-Down
FORCEOFF = SHDN = GND (Except ICL3232E) 25 - 1.0 10 µA
Supply Current,
Automatic Power-Down
Disabled
All Outputs Unloaded,
FORCEON = FORCEOFF
= SHDN = VCC
VCC = 3.0V, ICL3241,
ICL3243
25 - 0.3 1.0 mA
VCC = 3.0V, ICL3223 25 - 0.7 3.0 mA
VCC = 3.15V, ICL3221,
ICL3222, ICL3223,
ICL3232
25 - 0.3 1.0 mA
LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold Low TIN, FORCEON, FORCEOFF, EN, SHDN Full - - 0.8 V
Input Logic Threshold High TIN, FORCEON,
FORCEOFF
, EN, SHDN
VCC = 3.3V Full 2.0 --V
VCC = 5.0V Full 2.4 --V
Input Leakage Current TIN, FORCEON,
FORCEOFF
, EN, SHDN
All but ICL3232EF Full - 0.01 1.0 µA
ICL3232EF Full - 0.01 10 µA
Output Leakage Current
(Except ICL3232E)
FORCEOFF = GND or EN = VCC Full - 0.05 10 µA
Output Voltage Low IOUT = 1.6mA Full - - 0.4 V
Output Voltage High IOUT = -1.0mA All but ICL3232EF Full VCC - 0.6 VCC - 0.1 - V
ICL3232EF Full VCC - 0.9 VCC - 0.1 - V
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 13 of 33
December 9, 2015
AUTOMATIC POWER-DOWN (ICL3221E, ICL3223E, ICL3243E Only, FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds
to Enable Transmitters
ICL32xxE Powers Up (see Figure 6) Full -2.7 -2.7 V
Receiver Input Thresholds
to Disable Transmitters
ICL32xxE Powers Down (see Figure 6) Full -0.3 -0.3 V
INVALID Output Voltage
Low
IOUT = 1.6mA Full - - 0.4 V
INVALID Output Voltage
High
IOUT = -1.0mA Full VCC - 0.6 --V
Receiver Threshold to
Transmitters Enabled Delay
(tWU)
25 - 100 - µs
Receiver Positive or
Negative Threshold to
INVALID High Delay
(tINVH)
25 - 1 - µs
Receiver Positive or
Negative Threshold to
INVALID Low Delay (tINVL)
25 - 30 - µs
RECEIVER INPUTS
Input Voltage Range 25 -25 - 25 V
Input Threshold Low VCC = 3.3V 25 0.6 1.2 - V
VCC = 5.0V 25 0.8 1.5 - V
Input Threshold High VCC = 3.3V 25 - 1.5 2.4 V
VCC = 5.0V 25 - 1.8 2.4 V
Input Hysteresis 25 - 0.5 - V
Input Resistance 25 3 5 7 kΩ
TRANSMITTER OUTPUTS
Output Voltage Swing All Transmitter Outputs Loaded with 3kΩ to Ground Full 5.0 5.4 - V
Output Resistance VCC = V+ = V- = 0V, Transmitter Output = 2V Full 300 10M - Ω
Output Short-Circuit
Current
Full - 35 60 mA
Output Leakage Current VOUT =12V, VCC = 0V or 3V to 5.5V,
Automatic Power-Down or
FORCEOFF = SHDN = GND
Full - - 25 µA
MOUSE DRIVEABILITY (ICL324XE Only)
Transmitter Output Voltage
(see Figure 9)
T1IN = T2IN = GND, T3IN = VCC, T3OUT Loaded
with 3kΩ to GND, T1OUT and T2OUT Loaded with
2.5mA Each
Full 5--V
TIMING CHARA CT E RI STICS
Maximum Data Rate RL = 3kΩ, CL = 1000pF, One Transmitter
Switching
Full 250 500 - kbps
Receiver Propagation Delay Receiver Input to
Receiver Output,
CL= 150pF
tPHL 25 - 0.15 - µs
tPLH 25 - 0.15 - µs
Receiver Output Enable
Time
Normal Operation (Except ICL3232E) 25 - 200 - ns
Electrical Specifications Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF; Unless Otherwise Specified.
Typicals are at TA = +25°C. Boldface limit s apply ov er t h e ope rat ing temperature
range. (Continued)
PARAMETER TEST CONDITIONS TEMP
(°C) MIN
(Note 6) TYP MAX
(Note 6) UNITS
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 14 of 33
December 9, 2015
Detailed Description
ICL32xxE interface ICs operate from a single +3V to
+5.5V supply, guarantee a 250kbps minimum data
rate, require only four small external 0.1µF capacitors,
feature low power consumption, and meet all ElA
RS-232C and V.28 specifications. The circuit is divided
into three sections: charge pump, transmitters and
receivers.
Charge-Pump
Intersil’s new ICL32xxE family utilizes regulated on-
chip dual charge pumps as voltage doublers, and
voltage inverters to generate ±5.5V transmitter
supplies from a VCC supply as low as 3.0V. This allows
these devices to maintain RS-232 compliant output
levels over the ±10% tolerance range of 3.3V powered
systems. The efficient on-chip power supplies require
only four small, external 0.1µF capacitors for the
voltage doubler and inverter functions at VCC = 3.3V.
See “Capacitor Selection” on page 18 and Table 3 on
page 18 for capacitor recommendations for other
operating conditions. The charge pumps operate
discontinuously (i.e., they turn off as soon as the V+
and V- supplies are pumped up to the nominal values),
resulting in significant power savings.
Transmitters
The transmitters are proprietary, low dropout, inverting
drivers that translate TTL/CMOS inputs to EIA/TIA-232
output levels. Coupled with the on-chip ±5.5V
supplies, these transmitters deliver true RS-232 levels
over a wide range of single supply system voltages.
Except for the ICL3232E, all transmitter outputs
disable and assume a high impedance state when the
device enters the power-down mode (see Table 2).
These outputs may be driven to ±12V when disabled.
All devices guarantee a 250kbps data rate for full load
conditions (3kΩ and 1000pF), VCC 3.0V, with one
transmitter operating at full speed. Under more typical
conditions of VCC 3.3V, RL = 3kΩ, and CL = 250pF,
one transmitter easily operates at 900kbps.
Transmitter inputs float if left unconnected, and may
cause ICC increases. Connect unused inputs to GND for
the best performance.
Receivers
All the ICL32xxE devices contain standard inverting
receivers that three-state (except for the ICL3232E)
via the EN or FORCEOFF control lines. Additionally, the
two ICL324XE products include noninverting
(monitor) receivers (denoted by the ROUTB label)
that are always active, regardless of the state of any
control lines. All the receivers convert RS-232 signals
to CMOS output levels and accept inputs up to ±25V
while presenting the required 3kΩ to 7kΩ input
impedance (see Figure 1) even if the power is off
(VCC = 0V). The receivers’ Schmitt trigger input stage
uses hysteresis to increase noise immunity and
decrease errors due to slow input signal transitions.
The ICL3221E, ICL3222E, ICL3223E, ICL3241E
inverting receivers disable only when EN is driven high.
ICL3243E receivers disable during forced (manual)
power-down, but not during automatic power-down
(see Table 2).
Receiver Output Disable
Time
Normal Operation (Except ICL3232E) 25 - 200 - ns
Transmitter S kew tPHL to tPLH (Note 5) 25 - 100 - ns
Receiver Skew tPHL to tPLH 25 - 50 - ns
Transition Region Slew Rate VCC = 3.3V,
RL = 3kΩto 7kΩ
Measured from 3V to
-3V or -3V to 3V
CL = 150pF to 2500pF 25 4 - 30 V/µs
CL = 150pF to 1000pF 25 6 - 30 V/µs
ESD PERFORMANCE
RS-232 Pins (TOUT, RIN) Human Body Model 25 - 15 - kV
IEC61000-4-2 Contact Discharge 25 - 8-kV
IEC61000-4-2 Air Gap Discharge 25 - 15 - kV
All Other Pins Human Body Model 25 - 2-kV
NOTES:
5. Transmitter skew is measured at the transmitter zero crossing points.
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established
by characterization and are not production tested.
Electrical Specifications Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF; Unless Otherwise Specified.
Typicals are at TA = +25°C. Boldface limit s apply ov er t h e ope rat ing temperature
range. (Continued)
PARAMETER TEST CONDITIONS TEMP
(°C) MIN
(Note 6) TYP MAX
(Note 6) UNITS
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 15 of 33
December 9, 2015
ICL3241E and ICL3243E monitor receivers remain
active even during manual power-down and forced
receiver disable, making them extremely useful for
Ring Indicator monitoring. Standard receivers driving
powered down peripherals must be disabled to
prevent current flow through the peripheral’s
protection diodes (see Figures 2 and 3). This renders
them useless for wake up functions, but the
corresponding monitor receiver can be dedicated to
this task as shown in Figure 3.
Low Power Operation
These 3V devices require a nominal supply current of
0.3mA, even at VCC = 5.5V, during normal operation
(not in power-down mode). This is considerably less
than the 5mA to 11mA current required by comparable
5V RS-232 devices, allowing users to reduce system
power simply by switching to this new family.
Pin Compatible Replacements for 5V
Devices
The ICL3221E, ICL3222E, ICL3232E are pin compatible
with existing 5V RS-232 transceivers - See the
“Features” section on page 1 for details.
This pin compatibility coupled with the low ICC and
wide operating supply range, make the ICL32xxE
potential lower power, higher performance drop-in
replacements for existing 5V applications. As long as
the 5V RS-232 output swings are acceptable, and
transmitter input pull-up resistors aren’t required, the
IICL32xxE should work in most 5V applications.
When replacing a device in an existing 5V application,
it is acceptable to terminate C3 to VCC as shown on
the “Typical Operating Circuits” on page 2.
Nevertheless, terminate C3 to GND if possible, as
slightly better performance results from this
configuration.
Power-Down Functionality
(Except ICL3232E)
The already low current requirement drops
significantly when the device enters power-down
mode. In power-down, supply current drops to 1µA,
because the on-chip charge pump turns off (V+
collapses to VCC, V- collapses to GND), and the
transmitter outputs three-state. Inverting receiver
outputs may or may not disable in power-down; refer
to Table 2 for details. This micro-power mode makes
these devices ideal for battery powered and portable
applications.
Software Controlled (Manual) Power-Down
Most devices in the ICL32xxE family provide pins that
allow the user to force the IC into the low power,
standby state.
On the ICL3222E and ICL3241E, the power-down
control is via a simple shutdown (SHDN) pin. Driving
this pin high enables normal operation, while driving it
low forces the IC into its power-down state. Connect
SHDN to VCC if the power-down function isn’t needed.
Note that all the receiver outputs remain enabled
during shutdown (see Table 2). For the lowest power
consumption during power-down, the receivers should
also be disabled by driving the EN input high (see next
section, and Figures 2 and 3).
The ICL3221E, ICL3223E, and ICL3243E utilize a two
pin approach where the FORCEON and FORCEOFF
inputs determine the IC’s mode. For always enabled
operation, FORCEON and FORCEOFF are both strapped
high. To switch between active and power-down
modes, under logic or software control, only the
FORCEOFF input need be driven. The FORCEON state
isn’t critical, as FORCEOFF dominates over FORCEON.
Nevertheless, if strictly manual control over power-
down is desired, the user must strap FORCEON high to
disable the automatic power-down circuitry. ICL3243E
inverting (standard) receiver outputs also disable when
the device is in manual power-down, thereby
eliminating the possible current path through a
shutdown peripheral’s input protection diode (see
Figures 2 and 3).
RXOUT
GND VROUT VCC
5k
RXIN
-25V VRIN +25V
GND
VCC
FIGURE 1. INVERTING RECEIVER CONNECTIONS
TABLE 2. POWER-DOWN AND ENABLE LOGIC TRUTH TABLE
RS-232
SIGNAL
PRESENT
AT
RECEIVER
INPUT?
FORCEOFF
OR SHDN
INPUT FORCEON
INPUT EN
INPUT TRANSMITTER
OUTPUTS RECEIVER
OUTPUTS
ROUTB
OUTPUTS
(NOTE 7) INVALID
OUTPUT MODE OF
OPERATION
ICL3222E, ICL3241E
N/A L N/A L High-Z Active Active N/A Manual Power-Down
N/A L N/A H High-Z High-Z Active N/A Manual Power-Down with
Receiver Disabled
N/A H N/A L Active Active Active N/A Normal Operation
N/A H N/A H Active High-Z Active N/A Normal Operation with
Receiver Disabled
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 16 of 33
December 9, 2015
The INVALID output always indicates whether or not a
valid RS-232 signal is present at any of the receiver
inputs (see Table 2), giving the user an easy way to
determine when the interface block should power
down. In the case of a disconnected interface cable
where all the receiver inputs are floating (but pulled to
GND by the internal receiver pull down resistors), the
INVALID logic detects the invalid levels and drives the
output low. The power management logic then uses
this indicator to power down the interface block.
Reconnecting the cable restores valid levels at the
receiver inputs, INVALID switches high, and the power
management logic wakes up the interface block.
INVALID can also be used to indicate the DTR or RING
INDICATOR signal, as long as the other receiver inputs
are floating, or driven to GND (as in the case of a
powered down driver). Connecting FORCEOFF and
FORCEON together disables the automatic power-down
feature, enabling them to function as a manual
SHUTDOWN input (see Figure 4).
ICL3221E, ICL3223E
No H H L Active Active N/A L Normal Operation
(Auto Power-Down Disabled)
No H H H Active High-Z N/A L
Yes H L L Active Active N/A H Normal Operation
(Auto Power-Down Enabled)
Yes H L H Active High-Z N/A H
No H L L High-Z Active N/A L Power-Down Due to Auto
Power-Down Logic
No H L H High-Z High-Z N/A L
Yes L X L High-Z Active N/A H Manual Power-Down
Yes L X H High-Z High-Z N/A H Manual Power-Down
with Receiver Disabled
No L X L High-Z Active N/A L Manual Power-Down
No L X H High-Z High-Z N/A L Manual Power-Down
with Receiver Disabled
ICL3243E
No H H N/A Active Active Active L Normal Operation
(Auto Power-Down Disabled)
Yes H L N/A Active Active Active H Normal Operation
(Auto Power-Down Enabled)
No H L N/A High-Z Active Active L Power-Down Due to Auto
Power-Down Logic
Yes L X N/A High-Z High-Z Active H Manual Power-Down
No L X N/A High-Z High-Z Active L Manual Power-Down
NOTE:
7. Applies only to the ICL3241E and ICL3243E.
TABLE 2. POWER-DOWN AND ENAB LE LOGIC TRUTH TABLE (Continued)
RS-232
SIGNAL
PRESENT
AT
RECEIVER
INPUT?
FORCEOFF
OR SHDN
INPUT FORCEON
INPUT EN
INPUT TRANSMITTER
OUTPUTS RECEIVER
OUTPUTS
ROUTB
OUTPUTS
(NOTE 7) INVALID
OUTPUT MODE OF
OPERATION
FIGURE 2. POWER DRAIN THROUGH POWERED
DOWN PERIPHERAL
OLD
VCC
POWERED
GND SHDN = GND
VCC
Rx
Tx
VCC
CURRENT
VOUT = VCC
FLOW
RS-232 CHIP
DOWN
UART
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 17 of 33
December 9, 2015
With any of the control schemes, the time required to
exit power-down, and resume transmission is only
100µs. A mouse, or other application, may need more
time to wake up from shutdown. If automatic
power-down is being utilized, the RS-232 device will
reenter power-down if valid receiver levels aren’t
reestablished within 30µs of the ICL32xxE powering up.
Figure 5 illustrates a circuit that keeps the ICL32xxE from
initiating automatic power-down for 100ms after
powering up. This gives the slow-to-wake peripheral
circuit time to reestablish valid RS-232 output levels.
Automatic Power-Down
(ICL3221E, ICL3223E, ICL3243E Only)
Even greater power savings is available by using the
devices which feature an automatic power-down
function. When no valid RS-232 voltages (see Figure 6)
are sensed on any receiver input for 30µs, the charge
pump and transmitters power-down, thereby reducing
supply current to 1µA. Invalid receiver levels occur
whenever the driving peripheral’s outputs are shut off
(powered down) or when the RS-232 interface cable is
disconnected. The ICL32xxE powers back up whenever it
detects a valid RS-232 voltage level on any receiver
input. This automatic power-down feature provides
additional system power savings without changes to the
existing operating system.
Automatic power-down operates when the FORCEON
input is low, and the FORCEOFF input is high. Tying
FORCEON high disables automatic power-down, but
manual power-down is always available via the
overriding FORCEOFF input. Table 2 summarizes the
automatic power-down functionality.
FIGURE 3. DISABLED RECEIVERS PREVENT POWER
DRAIN
ICL324XE
TRANSITION
RX
TX
R2OUTB
R2OUT
T1IN
FORCEOFF = GND
VCC
VCC
TO
R2IN
T1OUT
VOUT = HI-Z
POWERED
OR SHDN = GND, EN = VCC
DETECTOR
DOWN
UART
WAKE-UP
LOGIC
FIGURE 4. CONNECTIONS FOR MANUAL
POWER-DOWN WHEN NO VALID
RECEIVER SIGNALS ARE PRESENT
PWR
FORCEOFF
INVALID
CPU
I/O
FORCEON
ICL3221E,
MGT
LOGIC
UART
ICL3243E
ICL3223E,
FIGURE 5. CIRCUIT TO PREVENT AUTO
POWER-DOWN FOR 100ms AFTER
FORCED POWER-UP
ICL3221E, ICL3223E, ICL3243E
FORCEOFF FORCEON
POWER MASTER POWER-DOWN LINE
1MΩ
0.1µF
MANAGEMENT
UNIT
FIGURE 6. DEFINIT ION OF VALID RS-232 RECEIVER
LEVELS
0.3V
-0.3V
-2.7V
2.7V
INVALID LEVEL - POWER-DOWN OCCURS AFTER 30µs
VALID RS-232 LEVEL - ICL32xxE IS ACTIVE
VALID RS-232 LEVEL - ICL32xxE IS ACTIVE
INDETERMINATE - POWER-DOWN MAY OR
INDETERMINATE - POWER-DOWN MAY OR
MAY NOT OCCUR
MAY NOT OCCUR
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 18 of 33
December 9, 2015
Devices with the automatic power-down feature include
an INVALID output signal, which switches low to indicate
that invalid levels have persisted on all of the receiver
inputs for more than 30µs (see Figure 7). INVALID
switches high 1µs after detecting a valid RS-232 level on
a receiver input. INVALID operates in all modes (forced
or automatic power-down, or forced on), so it is also
useful for systems employing manual power-down
circuitry. When automatic power-down is utilized,
INVALID = 0 indicates that the ICL32xxE is in
power-down mode.
The time to recover from automatic power-down mode is
typically 100µs.
Receiver ENABLE Control
(ICL3221E, ICL3222E, ICL3223E, ICL3241E
Only)
Several devices also feature an EN input to control the
receiver outputs. Driving EN high disables all the
inverting (standard) receiver outputs placing them in a
high impedance state. This is useful to eliminate supply
current, due to a receiver output forward biasing the
protection diode, when driving the input of a powered
down (VCC = GND) peripheral (see Figure 2). The enable
input has no effect on transmitter nor monitor (ROUTB)
outputs.
Capacitor Selection
The charge pumps require 0.1µF capacitors for 3.3V
operation. For other supply voltages refer to Table 3 for
capacitor values. Do not use values smaller than those
listed in Table 3. Increasing the capacitor values (by a
factor of 2) reduces ripple on the transmitter outputs and
slightly reduces power consumption. C2, C3, and C4 can
be increased without increasing C1’s value, however, do
not increase C1 without also increasing C2, C3, and C4 to
maintain the proper ratios (C1 to the other capacitors).
When using minimum required capacitor values, make
sure that capacitor values do not degrade excessively
with temperature. If in doubt, use capacitors with a
larger nominal value. The capacitor’s equivalent series
resistance (ESR) usually rises at low temperatures and it
influences the amount of ripple on V+ and V-.
Power Supply Decoupling
In most circumstances a 0.1µF bypass capacitor is
adequate. In applications that are particularly sensitive
to power supply noise, decouple VCC to ground with a
capacitor of the same value as the charge-pump
capacitor C1. Connect the bypass capacitor as close as
possible to the IC.
Operation Down to 2.7V
ICL32xxE transmitter outputs meet RS-562 levels
(±3.7V), at full data rate, with VCC as low as 2.7V.
RS-562 levels typically ensure interoperability with
RS-232 devices.
Transmitter Outputs when
Exiting Power-Down
Figure 8 shows the response of two transmitter outputs
when exiting power-down mode. As they activate, the
two transmitter outputs properly go to opposite RS-232
levels, with no glitching, ringing, nor undesirable
transients. Each transmitter is loaded with 3kΩin parallel
with 2500pF. Note that the transmitters enable only
when the magnitude of the supplies exceed
approximately 3V..
Mouse Driveability
The ICL3241E and ICL3243E have been specifically
designed to power a serial mouse while operating from
low voltage supplies. Figure 9 shows the transmitter
RECEIVER
INPUTS
TRANSMITTER
OUTPUTS
INVALID
OUTPUT
V+
VCC
0
V-
VCC
0
tINVL tINVH
INVALID
REGION
}
FIGURE 7. AUTOMATIC POWER-DOWN AND
INVALID TIMING DIAGRAMS
AUTOPWDN PWR UP
TABLE 3. REQUIRED CAPACITOR VALUES
VCC
(V) C1
(µF) C2, C3, C4
(µF)
3.0 to 3.6 0.1 0.1
4.5 to 5.5 0.047 0.33
3.0 to 5.5 0.1 0.47
TIME (20µs/DIV)
T1
T2
2V/DIV
5V/DIV
VCC = +3.3V
FORCEOFF
FIGURE 8. TRANSMITTER OUTPUTS WHEN EXITING
POWER-DOWN
C1 - C4 = 0.1µF
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 19 of 33
December 9, 2015
output voltages under increasing load current. The
on-chip switching regulator ensures the transmitters will
supply at least 5V during worst case conditions (15mA
for paralleled V+ transmitters, 7.3mA for single V-
transmitter). The Automatic Power-Down feature does
not work with a mouse, so FORCEOFF and FORCEON
should be connected to VCC.
High Data Rates
The ICL32xxE maintain the RS-232 5V minimum
transmitter output voltages even at high data rates.
Figure 10 details a transmitter loopback test circuit, and
Figure 11 illustrates the loopback test result at 120kbps.
For this test, all transmitters were simultaneously driving
RS-232 loads in parallel with 1000pF, at 120kbps.
Figure 12 shows the loopback results for a single
transmitter driving 1000pF and an RS-232 load at
250kbps. The static transmitters were also loaded with
an RS-232 receiver. Interconnection with 3V and 5V
Logic
The ICL32XX directly interface with 5V CMOS and TTL
logic families. Nevertheless, with the ICL32XX at 3.3V,
and the logic supply at 5V, AC, HC, and CD4000 outputs
can drive ICL32XX inputs, but ICL32XX outputs do not
reach the minimum VIH for these logic families. See
Table 4 for more information.
FIGURE 10. TRANSMITTER LOOPBACK TEST CIRCUI T
FIGURE 9. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CURRENT (PER TRANSMITTER, i.e.,
DOUBLE CURRENT AXIS FOR TOTAL
VOUT+ CURRENT)
TRANSMITTER OUTPUT VOLTAGE (V)
LOAD CURRENT PER TRANSMITTER (mA)
0246810
-6
-4
-2
0
2
4
6
-5
-3
-1
1
3
5
13579
VOUT+
VOUT -
VCC
VOUT+
VOUT -
T1
T2
T3
VCC = 3.0V
ICL3241E, ICL3243E
ICL32xxE
VCC FORCEOFF
C1
C2C4
C3
+
+
+
+
1000pF
V+
V-
5K
TIN
ROUT
C1+
C1-
C2+
C2-
RIN
TOUT
+
VCC
0.1µF
VCC
EN
SHDN OR
FIGURE 11. LOOPBACK TEST AT 120kbps
FIGURE 12. LOOPBACK TEST AT 250kbps
TABLE 4. LOGIC FAMILY COMPATIBILITY WITH
VARIOUS SUPPLY VOLTAGES
SYSTEM
POWER-SUPPLY
VOLTAGE
(V)
VCC
SUPPLY
VOLTAGE
(V) COMPATIBILITY
3.3 3.3 Compatible with all CMOS
families.
5 5 Compatible with all TTL and
CMOS logic families.
T1IN
T1OUT
R1OUT
5µs/DIV
VCC = +3.3V
5V/DIV
C1 - C4 = 0.1µF
T1IN
T1OUT
R1OUT
2µs/DIV
5V/DIV
VCC = +3.3V
C1 - C4 = 0.1µF
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 20 of 33
December 9, 2015
±15kV ESD Protection
All pins on ICL32XX devices include ESD protection
structures, but the ICL32xxE family incorporates
advanced structures which allow the RS-232 pins
(transmitter outputs and receiver inputs) to survive ESD
events up to ±15kV. The RS-232 pins are particularly
vulnerable to ESD damage because they typically
connect to an exposed port on the exterior of the finished
product. Simply touching the port pins, or connecting a
cable, can cause an ESD event that might destroy
unprotected ICs. These new ESD structures protect the
device whether or not it is powered up, protect without
allowing any latch-up mechanism to activate, and don’t
interfere with RS-232 signals as large as ±25V.
Human Body Model (HBM) Testing
As the name implies, this test method emulates the ESD
event delivered to an IC during human handling. The
tester delivers the charge through a 1.5kΩ current
limiting resistor, making the test less severe than the
IEC61000 test which utilizes a 330Ω limiting resistor. The
HBM method determines an IC’s ability to withstand the
ESD transients typically present during handling and
manufacturing. Due to the random nature of these
events, each pin is tested with respect to all other pins.
The RS-232 pins on “E” family devices can withstand
HBM ESD events to ±15kV.
IEC61000-4-2 Testing
The IEC61000 test method applies to finished
equipment, rather than to an individual IC. Therefore,
the pins most likely to suffer an ESD event are those that
are exposed to the outside world (the RS-232 pins in this
case), and the IC is tested in its typical application
configuration (power applied) rather than testing each
pin-to-pin combination. The lower current limiting
resistor coupled with the larger charge storage capacitor
yields a test that is much more severe than the HBM test.
The extra ESD protection built into this device’s RS-232
pins allows the design of equipment meeting level 4
criteria without the need for additional board level
protection on the RS-232 port.
AIR-GAP DISCHARGE TEST METHOD
For this test method, a charged probe tip moves toward
the IC pin until the voltage arcs to it. The current
waveform delivered to the IC pin depends on approach
speed, humidity, temperature, etc., so it is difficult to
obtain repeatable results. The “E” device RS-232 pins
withstand ±15kV air-gap discharges.
CONTACT DISCHARGE TEST METHOD
During the contact discharge test, the probe contacts the
tested pin before the probe tip is energized, thereby
eliminating the variables associated with the air-gap
discharge. The result is a more repeatable and
predictable test, but equipment limits prevent testing
devices at voltages higher than ±8kV. All “E” family
devices survive ±8kV contact discharges on the RS-232
pins.
53.3Compatible with ACT and
HCT CMOS, and with TTL.
ICL32XX outputs are
incompatible with AC, HC,
and CD4000 CMOS inputs.
TABLE 4. LOGIC FAMILY COMPATIBILITY WITH
VARIOUS SUPPLY VOLTAGES (Continued)
SYSTEM
POWER-SUPPLY
VOLTA GE
(V)
VCC
SUPPLY
VOLTAGE
(V) COMPATIBILITY
Typical Performance Curves VCC = 3.3V, TA = +25°C.
FIGURE 13. TRANSMITTER OUTPUT VOLTAGE vs
LOAD CAPACITANCE FIGURE 14. SLEW RATE vs LOAD CAPACITANCE
-6
-4
-2
0
2
4
6
1000 2000 3000 4000 50000
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
1 TRANSMITTER AT 250kbps
VOUT+
VOUT -
1 OR 2 TRANSMITTERS AT 30kbps
LOAD CAPACITANCE (pF)
SLEW RATE (V/µs)
0 1000 2000 3000 4000 5000
5
10
15
20
25
+SLEW
-SLEW
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 21 of 33
December 9, 2015
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
ICL3221E: 286
ICL3222E: 338
ICL3223E: 357
ICL3232E: 296
ICL324XE: 464
PROCESS:
Si Gate CMOS
FIGURE 15. SUPPLY CURRENT vs LOAD
CAPACITANCE WHEN TRANSMITTING
DATA
FIGURE 16. SUPPLY CURRENT vs LOAD
CAPACITANCE WHEN TRANSMITTING
DATA
FIGURE 17. SUPPLY CURRENT vs LOAD
CAPACITANCE WHEN TRANSMITTING
DATA
FIGURE 18. SUPPLY CURRENT vs SUPPLY VOLTAGE
Typical Performance Curves VCC = 3.3V, TA = +25°C. (Continued)
0
5
10
15
20
25
30
45
35
40
0 1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
20kbps
250kbps
120kbps
ICL3221E
0
5
10
15
20
25
30
45
35
40
0 1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
20kbps
250kbps
120kbps
ICL3222E, ICL3223E, ICL3232E
10
15
20
25
30
45
35
40
01000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
20kbps
250kbps
120kbps
ICL324XE
SUPPLY CURRENT (mA)
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
0
0.5
1.0
1.5
2.0
SUPPLY VOLTAGE (V)
2.5
3.0
3.5 NO LOAD
ALL OUTPUTS STATIC
ICL3221E, ICL3222E, ICL3223E, ICL3232E
ICL324XE
ICL324XE
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 22 of 33
December 9, 2015
About Intersil
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The
company's products address some of the largest markets within the industrial and infrastructure, mobile computing
and high-end consumer markets.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective
product information page found at www.intersil.com.
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.
Reliability reports are also available from our website at www.intersil.com/support
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to
web to make sure you have the latest Rev.
DATE REVISION CHANGE
12/9/15 FN4910.22 Updated Ordering Information table starting on page 8
Updated “Products” section to “About Intersil”
POD E18.3 updated from rev 2 to rev 3. Changes since rev 2:
1) Removed the dimension chart and replaced with new standard format values for each dimension letter.
2) Updated D dimension (in side view; length of package) from 0.845(min) : 0.880(max) to
0.880(33.27)(min) : 0.920(34.65)(max)
3) Change JEDEC reference from MS-001-BC issue D to MS-001-AC issue D
POD M16.173 updated from rev 1 to rev 2. Changes since rev 1: Converted to new POD format by
moving dimensions from table onto drawing and adding land pattern. No dimension changes.
POD M20.173 updated from rev 1 to rev 2. Changes since rev 1: Converted to new POD format by
moving dimensions from table onto drawing and adding land pattern. No dimension changes.
POD M28.173 udpated from rev 0 to rev 1. Changes since rev 1: Converted to new POD format by
moving dimensions from table onto drawing and adding land pattern. No dimension changes.
POD M28.3 updated from rev 0 to rev 1. Changes since rev 1: Added land pattern
2/22/10 FN4910.21 Revision history begins with this revision.
Converted to new Intersil template.
Added new temp grade (F = extended industrial) to ICL3232. Updated ordering info table, Operating
Conditions, and added 125°C specs for input lkg currents, and rcvr output high voltage.
Pages 8-10: Removed all withdrawn devices from Ordering Information table.
Pages 12-14: Added "Boldface limits apply over the operating temperature range." to common
conditions of Electrical Specs table. Replaced Note 6 "Parts are 100% tested at +25°C. Full temp limits
are guaranteed by bench and tester characterization." with "Parameters with MIN and/or MAX limits
are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
characterization and are not production tested."
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 23 of 33
December 9, 2015
Package Outline Drawing
E18.3
18 LEAD DUAL-IN-LINE PLASTIC PACKAGE
Rev. 3, 11/11
SIDE VIEW
TOP VIEW
C
L
INDEX
12 3
18
AREA
SEATING
PLANE
0.195 (4.95)
0.115 (2.93)
0.280 (7.11)
0.240 (6.10) 5
0.920 (34.65)
0.880 (33.27)
5
0.070 (1.77)
0.045 (1.15)
8
2X 0.005 (0.13) MIN
5
0.022 (0.558)
0.014 (0.356)
0.100 (2.54) BSC
0.015 (0.39) MIN
0.150 (3.81)
0.115 (2.93) 4
0.300 (7.62) BSC
6
0.014 (0.355)
0.008 (0.204)
0.430 (10.92) MAX
7
0.325 (8.25)
0.300 (7.62)
6
NOTES:
1. Controlling Dimensions: INCH (Metric dimensions in parentheses).
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication No. 95.
4. Dimensions are measured with the package seated in JEDEC seating
plane gauge GS-3.
5. Dimensions do not include mold flash or protrusions. Mold flash or
protrusions shall not exceed 0.010 inch (0.25mm).
6. Dimens i ons are m e asured w ith the l e ads con s t rained t o be perp endicular
to datum .
7. Dimension measured at the lead tips with the leads unconstrained.
8. Maximum dimensions do not include dambar protrusions. Dambar
protrusions shall not exceed 0.010 inch (0.25mm).
9. Package outline compliant to JEDEC MS-001-AC ISSUE D.
-C-
-C- 0.210 (5.33) MAX 4
4
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 24 of 33
December 9, 2015
Small Outline Plastic Packages (SOIC)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006
inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. Interlead
flash and protrusions shall not exceed 0.25mm (0.010 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual index
feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater above
the seating plane, shall not exceed a maximum value of 0.61mm
(0.024 inch).
10. Controlling dimension: MILLIMETER. Converted inch dimensions are
not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
h x 45°
C
H0.25(0.010) BM M
M16.15 (JEDEC MS-012-AC ISSUE C)
16 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.0532 0.0688 1.35 1.75 -
A1 0.0040 0.0098 0.10 0.25 -
B 0.013 0.020 0.33 0.51 9
C 0.0075 0.0098 0.19 0.25 -
D 0.3859 0.3937 9.80 10.00 3
E 0.1497 0.1574 3.80 4.00 4
e 0.050 BSC 1.27 BSC -
H 0.2284 0.2440 5.80 6.20 -
h 0.0099 0.0196 0.25 0.50 5
L 0.016 0.050 0.40 1.27 6
N16 167
0° 8° 0° 8° -
Rev. 1 6/05
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 25 of 33
December 9, 2015
Package Outline Drawing
M16.173
16 LEAD THIN SHRINK SMALL OUTLINE PACKAGE (TSSOP)
Rev 2, 5/10
0.09-0.20
SEE DETAIL "X"
DETAIL "X"
TYPICAL RECOMMENDED LAND PATTERN
TOP VIEW
SIDE VIEW
END VIEW
Dimension does not include mold flash, protrusions or gate burrs.
Mold flash, protrusions or gate burrs shall not exceed 0.15 per side.
Dimension does not include interlead flash or protrusion. Interlead
flash or protrusion shall not exceed 0.25 per side.
Dimensions are measured at datum plane H.
Dimensioning and tolerancing per ASME Y14.5M-1994.
Dimension does not include dambar protrusion. Allowable protrusion
shall be 0.08mm total in excess of dimension at maximum material
condition. Minimum space between protrusion and adjacent lead
is 0.07mm.
Dimension in ( ) are for reference only.
Conforms to JEDEC MO-153.
6.
3.
5.
4.
2.
1.
NOTES:
7.
(0.65 TYP)
(5.65)
(0.35 TYP)
0.90 +0.15/-0.10
0.60 ±0.15
0.15 MAX
0.05 MIN
PLANE
GAUGE
0°-8°
0.25
1.00 REF
(1.45)
16
2
1
3
8
B
1 3
9
A
PIN #1
I.D. MARK
5.00 ±0.10
6.40
4.40 ±0.10
0.65
1.20 MAX
SEATING
PLANE
0.25 +0.05/-0.06 5
C
H
0.20 C B A
0.10 C
-
0.05
0.10 C B A
M
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 26 of 33
December 9, 2015
Small Outline Plastic Packages (SSOP)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion and gate burrs shall not exceed 0.20mm (0.0078
inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. Interlead
flash and protrusions shall not exceed 0.20mm (0.0078 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual index
feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. Dimension “B” does not include dambar protrusion. Allowable dambar
protrusion shall be 0.13mm (0.005 inch) total in excess of “B” dimen-
sion at maximum material condition.
10. Controlling dimension: MILLIMETER. Converted inch dimensions are
not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
C
H0.25(0.010) BM M
0.25
0.010
GAUGE
PLANE
A2
M16.209 (JEDEC MO-150-AC ISSUE B)
16 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A - 0.078 - 2.00 -
A1 0.002 - 0.05 - -
A2 0.065 0.072 1.65 1.85 -
B 0.009 0.014 0.22 0.38 9
C 0.004 0.009 0.09 0.25 -
D 0.233 0.255 5.90 6.50 3
E 0.197 0.220 5.00 5.60 4
e 0.026 BSC 0.65 BSC -
H 0.292 0.322 7.40 8.20 -
L 0.022 0.037 0.55 0.95 6
N16 167
0° 8° 0° 8° -
Rev. 3 6/05
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 27 of 33
December 9, 2015
Small Outline Plastic Packages (SOIC)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006
inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. Interlead
flash and protrusions shall not exceed 0.25mm (0.010 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual index
feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater above
the seating plane, shall not exceed a maximum value of 0.61mm (0.024
inch)
10. Controlling dimension: MILLIMETER. Converted inch dimensions are
not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
h x 45°
C
H0.25(0.010) BM M
M16.3 (JEDEC MS-013-AA ISSUE C)
16 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.0926 0.1043 2.35 2.65 -
A1 0.0040 0.0118 0.10 0.30 -
B 0.013 0.0200 0.33 0.51 9
C 0.0091 0.0125 0.23 0.32 -
D 0.3977 0.4133 10.10 10.50 3
E 0.2914 0.2992 7.40 7.60 4
e 0.050 BSC 1.27 BSC -
H 0.394 0.419 10.00 10.65 -
h 0.010 0.029 0.25 0.75 5
L 0.016 0.050 0.40 1.27 6
N16 167
0° 8° 0° 8° -
Rev. 1 6/05
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 28 of 33
December 9, 2015
Small Outline Plastic Packages (SOIC)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006
inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. Interlead
flash and protrusions shall not exceed 0.25mm (0.010 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual index
feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater above
the seating plane, shall not exceed a maximum value of 0.61mm
(0.024 inch)
10. Controlling dimension: MILLIMETER. Converted inch dimensions are
not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
h x 45°
C
H0.25(0.010) BM M
M18.3 (JEDEC MS-013-AB ISSUE C)
18 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.0926 0.1043 2.35 2.65 -
A1 0.0040 0.0118 0.10 0.30 -
B 0.013 0.0200 0.33 0.51 9
C 0.0091 0.0125 0.23 0.32 -
D 0.4469 0.4625 11.35 11.75 3
E 0.2914 0.2992 7.40 7.60 4
e 0.050 BSC 1.27 BSC -
H 0.394 0.419 10.00 10.65 -
h 0.010 0.029 0.25 0.75 5
L 0.016 0.050 0.40 1.27 6
N18 187
0° 8° 0° 8° -
Rev. 1 6/05
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 29 of 33
December 9, 2015
Package Outline Drawing
M20.173
20 LEAD THIN SHRINK SMALL OUTLINE PACKAGE (TSSOP)
Rev 2, 5/10
DETAIL "X"
TYPICAL RECOMMENDED LAND PATTERN
TOP VIEW
SIDE VIEW
END VIEW
Dimension does not include mold flash, protrusions or gate burrs.
Mold flash, protrusions or gate burrs shall not exceed 0.15 per side.
Dimension does not include interlead flash or protrusion. Interlead
flash or protrusion shall not exceed 0.25 per side.
Dimensions are measured at datum plane H.
Dimensioning and tolerancing per ASME Y14.5M-1994.
Dimension does not include dambar protrusion. Allowable protrusion
shall be 0.08mm total in excess of dimension at maximum material
condition. Minimum space between protrusion and adjacent lead
is 0.07mm.
Dimension in ( ) are for reference only.
Conforms to JEDEC MO-153.
6.
3.
5.
4.
2.
1.
NOTES:
7.
0.09-0.20
SEE DETAIL "X"
(0.65 TYP)
(5.65)
(0.35 TYP)
0.90 +0.15/-0.10
0.60 ±0.15
0.15 MAX
0.05 MIN
PLANE
GAUGE
0°-8°
0.25
1.00 REF
(1.45)
20
0.20 C B A
2
1
3
9
B
1 3
10
A
PIN #1
I.D. MARK
6.50 ±0.10
6.40
4.40 ±0.10
0.65
0.10 C
SEATING
PLANE
0.25 +0.05/-0.06 5
C
H
-
0.05
1.20 MAX
0.10 C B A
M
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 30 of 33
December 9, 2015
Shrink Small Outline Plastic Packages (SSOP)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section
2.2 of Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate
burrs. Mold flash, protrusion and gate burrs shall not exceed
0.20mm (0.0078 inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. In-
terlead flash and protrusions shall not exceed 0.20mm (0.0078
inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual
index feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. Dimension “B” does not include dambar protrusion. Allowable
dambar protrusion shall be 0.13mm (0.005 inch) total in excess
of “B” dimension at maximum material condition.
10. Controlling dimension: MILLIMETER. Converted inch dimen-
sions are not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C A
MBS
e
-A-
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
C
H0.25(0.010) B
MM
L
0.25
0.010
GAUGE
PLANE
A2
M20.209 (JEDEC MO-150-AE ISSUE B)
20 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.068 0.078 1.73 1.99
A1 0.002 0.008’ 0.05 0.21
A2 0.066 0.070’ 1.68 1.78
B 0.010’ 0.015 0.25 0.38 9
C 0.004 0.008 0.09 0.20’
D 0.278 0.289 7.07 7.33 3
E 0.205 0.212 5.20’ 5.38 4
e 0.026 BSC 0.65 BSC
H 0.301 0.311 7.65 7.90’
L 0.025 0.037 0.63 0.95 6
N20 207
0 deg. 8 deg. 0 deg. 8 deg.
Rev. 3 11/02
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 31 of 33
December 9, 2015
Package Outline Drawing
M28.173
28 LEAD THIN SHRINK SMALL OUTLINE PACKAGE (TSSOP)
Rev 1, 5/10
DETAIL "X"
TYPICAL RECOMMENDED LAND PATTERN
TOP VIEW
SIDE VIEW
END VIEW
Dimension does not include mold flash, protrusions or gate burrs.
Mold flash, protrusions or gate burrs shall not exceed 0.15 per side.
Dimension does not include interlead flash or protrusion. Interlead
flash or protrusion shall not exceed 0.25 per side.
Dimensions are measured at datum plane H.
Dimensioning and tolerancing per ASME Y14.5M-1994.
Dimension does not include dambar protrusion. Allowable protrusion
shall be 0.08mm total in excess of dimension at maximum material
condition. Minimum space between protrusion and adjacent lead
is 0.07mm.
Dimension in ( ) are for reference only.
Conforms to JEDEC MO-153.
6.
3.
5.
4.
2.
1.
NOTES:
7.
5
SEATING PLANE
C
H
32
1
28
B
14
1 3
15
A
PLANE
GAUGE
0.05 MIN
0.15 MAX
0°-8°
0.60 ±0.15
0.90
1.00 REF
0.25
SEE DETAIL "X"
0.25
(0.65 TYP)
(5.65)
(0.35 TYP)
(1.45)
6.40
4.40 ± 0.10
0.65
1.20 MAX
PIN #1
I.D. MARK
9.70± 0.10
-0.06
0.15 +0.05
-0.10
+0.15
-0.06
+0.05
0.20 C B A
0.10 C
-
0.05
0.10 C B A
M
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
FN4910 Rev 22.00 Page 32 of 33
December 9, 2015
Shrink Small Outline Plastic Packages (SSOP)
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2
of Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate
burrs. Mold flash, protrusion and gate burrs shall not exceed
0.20mm (0.0078 inch) per side.
4. Dimension “E” does not include interlead flash or protrusions.
Interlead flash and protrusions shall not exceed 0.20mm (0.0078
inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual
index feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. Dimension “B” does not include dambar protrusion. Allowable
dambar protrusion shall be 0.13mm (0.005 inch) total in excess of
“B” dimension at maximum material condition.
10. Controlling dimension: MILLIMETER. Converted inch dimensions
are not necessarily exact.
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
C
H0.25(0.010) BM M
0.25
0.010
GAUGE
PLANE
A2
M28.209 (JEDEC MO-150-AH ISSUE B)
28 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A - 0.078 - 2.00 -
A1 0.002 - 0.05 - -
A2 0.065 0.072 1.65 1.85 -
B 0.009 0.014 0.22 0.38 9
C 0.004 0.009 0.09 0.25 -
D 0.390 0.413 9.90 10.50 3
E 0.197 0.220 5.00 5.60 4
e 0.026 BSC 0.65 BSC -
H 0.292 0.322 7.40 8.20 -
L 0.022 0.037 0.55 0.95 6
N28 287
0° 8° 0° 8° -
Rev. 2 6/05
FN4910 Rev 22.00 Page 33 of 33
December 9, 2015
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice, provided that such
modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets are
current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its
subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Intersil or its subsidiaries.
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For additional products, see www.intersil.com/en/products.html
© Copyright Intersil Americas LLC 2000-2015. All Rights Reserved.
All trademarks and registered trademarks are the property of their respective owners.
Small Outline Plastic Packages (SOIC)
a
INDEX
AREA
E
D
N
123
-B-
0.25(0.010) C AMBS
e
-A-
L
B
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
h x 45o
C
H0.25(0.010) BM M
(1.50mm)
(9.38mm)
(1.27mm TYP) (0.51mm TYP)
TYPICAL RECOMMENDED LAND PATTERN
M28.3 (JEDEC MS-013-AE ISSUE C)
28 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A 0.0926 0.1043 2.35 2.65 -
A1 0.0040 0.0118 0.10 0.30 -
B 0.013 0.0200 0.33 0.51 9
C 0.0091 0.0125 0.23 0.32 -
D 0.6969 0.7125 17.70 18.10 3
E 0.2914 0.2992 7.40 7.60 4
e 0.05 BSC 1.27 BSC -
H 0.394 0.419 10.00 10.65 -
h 0.01 0.029 0.25 0.75 5
L 0.016 0.050 0.40 1.27 6
N28 287
0o8o0o8o-
Rev. 1, 1/13
NOTES:
1. Symbols are defined in the “MO Series Symbol List” in Section 2.2 of
Publication Number 95.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006
inch) per side.
4. Dimension “E” does not include interlead flash or protrusions. Interlead
flash and protrusions shall not exceed 0.25mm (0.010 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual index
feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. The lead width “B”, as measured 0.36mm (0.014 inch) or greater above
the seating plane, shall not exceed a maximum value of 0.61mm
(0.024 inch)
10. Controlling dimension: MILLIMETER. Converted inch dimensions are
not necessarily exact.
