1. General description
The 74HC373; 74HCT373 is a high-speed Si-gate CMOS device and is pin compatible
with Low-power Schottky TTL. It is specified in compliance with JEDEC standard no. 7A.
The 74HC373; 74HCT373 is an octal D-type transparent latch featuring separate D-type
inputs fo r each latch and 3-state outputs for bus oriented applications. A latch enable (LE)
input and an output enable (OE) input are common to all latches.
The 74HC373; 74HCT373 consists of eight D-type transparent latches with 3-state true
outputs. When LE is HIGH, data at the Dn inputs enters the lat c he s. In this cond itio n th e
latches are transparent, i.e. a latch output will change state each time its corresponding
D input changes.
When LE is LOW the latches store the information that was present at the D inputs a
set-up time preceding the HIGH-to-LOW transition of LE. When OE is LOW, the contents
of the 8 latches are ava ilable at the outputs. Whe n OE is HIGH, the outputs go to the high-
impedance OFF-state. Operation of the OE input does not affect the state of the latches.
The 74HC373; 74HCT373 is functionally identical to:
•74HC563; 74HCT563: but inverted outputs and different pin arrangement
•74HC573; 74HCT573: but different pin arrangement
2. Features and benefits
3-state non-inverting outputs for bus oriented applications
Common 3-state output enable input
Functionally identical to the 74HC563; 74HCT563 and 74HC573; 74HCT573
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceed s 200 V
Specified from 40 Cto+85C and from 40 Cto+125C
74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Rev. 5 — 13 December 2011 Product data sheet
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 2 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
3. Ordering information
4. Functional diagram
Table 1. Ordering information
Type number Package
Temperature range Name Description Version
74HC373N 40 C to +125 C DIP20 plastic dual in-line package; 20 leads (300 mil) SOT146-1
74HCT373N
74HC373D 40 C to +125 C SO20 plastic small outline package; 20 leads;
body width 7.5 mm SOT163-1
74HCT373D
74HC373DB 40 C to +125 C SSOP20 plastic shrink small outline package; 20 leads;
body width 5.3 mm SOT339-1
74HCT373DB
74HC373PW 40 C to +125 C TSSOP20 plastic thin shrink small outline package; 20 leads;
body width 4.4 mm SOT360-1
74HCT373PW
74HC373BQ 40 C to +125 C DHVQFN20 plastic dual in-line compatible thermal enhanced very
thin quad flat package; no leads; 20 terminals;
body 2.5 4.5 0.85 mm
SOT764-1
74HCT373BQ
Fig 1. Functional di agram
001aae050
LATCH
1 TO 8
D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
17
18
11
1
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
3-STATE
OUTPUTS
LE
OE
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 3 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Fig 2. Logic symbol Fig 3. IEC logic symbol
001aae048
D0
D1
D2
D3
D4
D5
D6
D7 OE
LE Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
11
1
19
16
15
12
9
6
5
2
18
17
14
13
8
7
4
3
001aae049
1
11 C1
1D
19
16
15
12
9
6
5
2
18
17
14
13
8
7
4
3
OE
LE
D7
D6
D5
D4
D3
D2
D1
D0
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
EN
Fig 4. Logic diag ra m (one la tch )
001aae051
LE QD
LE
LE
LE
Fig 5. Logic diag ram
001aae052
D
LE LE
Q
LATCH
8
Q7
D7
D
LE LE
Q
LATCH
7
Q6
D6
D
LE LE
Q
LATCH
6
Q5
D5
D
LE LE
Q
LATCH
5
Q4
D4
D
LE LE
Q
LATCH
4
Q3
D3
D
LE LE
Q
LATCH
3
Q2
D2
D
LE LE
Q
LATCH
2
Q1
D1
D
LE LE
Q
LATCH
1
Q0
D0
LE
OE
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 4 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
5. Pinning information
5.1 Pinning
5.2 Pin description
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
supply pin or input.
Fig 6. Pin configuratio n DIP20, SO20, SSOP20 and
TSSOP20 Fig 7. Pin configuration DHVQFN20
74HC373
74HCT373
OE VCC
Q0 Q7
D0 D7
D1 D6
Q1 Q6
Q2 Q5
D2 D5
D3 D4
Q3 Q4
GND LE
001aae046
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
001aae047
74HC373
74HCT373
Transparent top view
Q4
D3
Q3
D4
D2 D5
Q2 Q5
Q1 Q6
D1 D6
D0 D7
Q0
GND
(1)
Q7
GND
LE
OE
V
CC
912
8 13
7 14
6 15
5 16
4 17
3 18
2 19
10
11
1
20
terminal 1
index area
Table 2. Pin description
Symbol Pin Description
OE 1 3-state output enable input (active LOW)
Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7 2, 5, 6, 9, 12, 15, 16, 19 3-state latch output
D0, D1, D2, D3, D4, D5, D6, D7 3, 4, 7, 8, 13, 14, 17, 18 data input
GND 10 ground (0 V)
LE 11 latch enable input (active HIGH)
VCC 20 supply voltage
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 5 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
6. Functional description
6.1 Function table
[1] H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;
X = don’t care;
Z = high-impedance OFF-state.
7. Limiting values
[1] For DIP20 package: Ptot derates linearly with 12 mW/K above 70 C.
[2] For SO20: Ptot derates linearly with 8 mW/K above 70 C.
[3] For SSOP20 and TSSOP20 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
[4] For DHVQFN20 package: Ptot derates linearly with 4.5 mW/K above 60 C.
Table 3. Function table[1]
Operating mode Control Input Internal latches Output
OE LE Dn Qn
Enable and read register
(transparent mode) LHLL L
HH H
Latch and read register L L l L L
hH H
Latch register and disable
outputs HXXX Z
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 0.5 +7 V
IIK input clamping current VI < 0.5 V or VI>V
CC +0.5 V - 20 mA
IOK output clamping current VO<0.5 V or VO>V
CC +0.5V - 20 mA
IOoutput curren t VO = 0.5 V to (VCC +0.5V) - 35 mA
ICC supply current - +70 mA
IGND ground current - 70 mA
Tstg storage temperature 65 +150 C
Ptot total power dissipation DIP20 package [1] - 750 mW
SO20 package [2] - 500 mW
SSOP20 package [3] 500 mW
TSSOP20 package [3] 500 mW
DHVQFN20 package [4] - 500 mW
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 6 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
8. Recommended operating conditions
9. Static characteristics
Table 5. Recommended operating con ditions
Vol tages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions 74HC373 74HCT373 Unit
Min Typ Max Min Typ Max
VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
VIinput voltage 0 - VCC 0-V
CC V
VOoutput voltage 0 - VCC 0-V
CC V
Tamb ambient temperature 40 +25 +125 40 +25 +125 C
t/V input transition rise and fall rate VCC = 2.0 V - - 625 - - - ns/V
VCC = 4.5 V - 1.67 139 - 1.67 139 ns/V
VCC = 6.0 V - - 83 - - - ns/V
Table 6. Static characteristics 74HC373
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
Tamb =25C
VIH HIGH-level input voltage VCC = 2.0 V 1.5 1.2 - V
VCC = 4.5 V 3.15 2.4 - V
VCC = 6.0 V 4.2 3.2 - V
VIL LOW-level input voltage VCC = 2.0 V - 0.8 0.5 V
VCC = 4.5 V - 2.1 1.35 V
VCC = 6.0 V - 2.8 1.8 V
VOH HIGH-level output voltage VI = VIH or VIL ---
IO=20 A; VCC = 2.0 V 1.9 2.0 - V
IO=20 A; VCC = 4.5 V 4.4 4.5 - V
IO=20 A; VCC = 6.0 V 5.9 6.0 - V
IO = 6.0 mA; VCC = 4.5 V 3.98 4.32 - V
IO = 7.8 mA; VCC = 6.0 V 5.48 5.81 - V
VOL LOW-level output voltage VI = VIH or VIL
IO=20A; VCC = 2.0 V - 0 0.1 V
IO=20A; VCC = 4.5 V - 0 0.1 V
IO=20A; VCC = 6.0 V - 0 0.1 V
IO = 6.0 mA; VCC = 4.5 V - 0.15 0.26 V
IO = 7.8 mA; VCC = 6.0 V - 0.16 0.26 V
IIinput leakage current VI=V
CC or GND; VCC = 6.0 V - - 0.1 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =6.0V;
VO=V
CC or GND --0.5 A
ICC supply current VCC = 6.0 V ; IO = 0 A;
VI=V
CC or GND --8.0A
CIinput capacitance - 3.5 - pF
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 7 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Tamb =40 Cto+85C
VIH HIGH-level input voltage VCC = 2.0 V 1.5 - - V
VCC = 4.5 V 3.15 - - V
VCC = 6.0 V 4.2 - - V
VIL LOW-level input voltage VCC = 2.0 V - - 0.5 V
VCC = 4.5 V - - 1.35 V
VCC = 6.0 V - - 1.8 V
VOH HIGH-level output voltage VI = VIH or VIL
IO=20 A; VCC = 2.0 V 1.9 - - V
IO=20 A; VCC = 4.5 V 4.4 - - V
IO=20 A; VCC = 6.0 V 5.9 - - V
IO = 6.0 mA; VCC = 4.5 V 3.84 - - V
IO = 7.8 mA; VCC = 6.0 V 5.34 - - V
VOL LOW-level output voltage VI = VIH or VIL
IO=20A; VCC = 2.0 V - - 0.1 V
IO=20A; VCC = 4.5 V - - 0.1 V
IO=20A; VCC = 6.0 V - - 0.1 V
IO = 6.0 mA; VCC = 4.5 V - - 0.33 V
IO = 7.8 mA; VCC = 6.0 V - - 0.33 V
IIinput leakage current VI=V
CC or GND; VCC = 6.0 V - - 1.0 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =6.0V;
VO=V
CC or GND --5.0 A
ICC supply current VCC = 6.0 V ; IO =0 A;
VI=V
CC or GND -80A
Tamb =40 C to +125 C
VIH HIGH-level input voltage VCC = 2.0 V 1.5 - - V
VCC = 4.5 V 3.15 - - V
VCC = 6.0 V 4.2 - - V
VIL LOW-level input voltage VCC = 2.0 V - - 0.5 V
VCC = 4.5 V - - 1.35 V
VCC = 6.0 V - - 1.8 V
VOH HIGH-level output voltage VI = VIH or VIL
IO=20 A; VCC = 2.0 V 1.9 - - V
IO=20 A; VCC = 4.5 V 4.4 - - V
IO=20 A; VCC = 6.0 V 5.9 - - V
IO = 6.0 mA; VCC = 4.5 V 3.7 - - V
IO = 7.8 mA; VCC = 6.0 V 5.2 - - V
Table 6. Static characteristics 74HC373 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 8 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
VOL LOW-level output voltage VI = VIH or VIL
IO=20A; VCC = 2.0 V - - 0.1 V
IO=20A; VCC = 4.5 V - - 0.1 V
IO=20A; VCC = 6.0 V - - 0.1 V
IO = 6.0 mA; VCC = 4.5 V - - 0.4 V
IO = 7.8 mA; VCC = 6.0 V - - 0.4 V
IIinput leakage current VI=V
CC or GND; VCC = 6.0 V - - 1.0 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =6.0V;
VO=V
CC or GND --10.0 A
ICC supply current VCC = 6.0 V ; IO = 0 A;
VI=V
CC or GND --160A
Table 6. Static characteristics 74HC373 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
Table 7. Static characteristics 74HCT373
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
Tamb =25C
VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 1.6 - V
VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - 1.2 0.8 V
VOH HIGH-level output voltage VI=V
IH or VIL
IO=20 A; VCC = 4.5 V 4.4 4.5 - V
IO=6.0 mA; VCC = 4.5 V 3.98 4.32 - V
VOL LOW-level output voltage VI=V
IH or VIL
IO=20A; VCC = 4.5 V - 0.0 0.1 V
IO=6.0mA; V
CC = 4.5 V - 0.16 0.26 V
IIinput leakage current VI=V
CC or GND; VCC =5.5V - - 0.1 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =5.5V;
VO=V
CC or GND per input pin;
other inputs at VCC or GND; IO=0 A
--0.5 A
ICC supply current VI=V
CC or GND; IO=0A;
VCC =5.5V --8.0A
ICC additional supply current VI=V
CC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V; IO=0A
Dn - 30 108 A
LE - 150 540 A
OE - 100 360 A
CIinput capacitance - 3.5 - pF
Tamb =40 C to +85 C
VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - V
VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 V
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 9 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
VOH HIGH-level output voltage VI=V
IH or VIL
IO=20 A; VCC = 4.5 V 4.4 - - V
IO=6.0 A; VCC =4.5V 3.84 - - V
VOL LOW-level output voltage VI=V
IH or VIL
IO=20A; VCC = 4.5 V - - 0.1 V
IO=6.0mA; V
CC =4.5V - - 0.33 V
IIinput leakage current VI=V
CC or GND; VCC =5.5V - - 1.0 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =5.5V;
VO=V
CC or GND per input pin;
other inputs at VCC or GND; IO=0 A
--5.0 A
ICC supply current VI=V
CC or GND; IO=0A;
VCC =5.5V --80A
ICC additional supply current VI=V
CC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V; IO=0A
Dn - - 135 A
LE - - 675 A
OE --450A
Tamb =40 C to +125 C
VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - V
VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 V
VOH HIGH-level output voltage VI=V
IH or VIL
IO=20 A; VCC = 4.5 V 4.4 - - V
IO=6.0 mA; VCC = 4.5 V 3.7 - - V
VOL LOW-level output voltage VI=V
IH or VIL
IO=20A; VCC = 4.5 V - - 0.1 V
IO=6.0mA; V
CC =4.5V - - 0.4 V
IIinput leakage current VI=V
CC or GND; VCC =5.5V - - 1.0 A
IOZ OFF-st ate output current VI=V
IH or VIL; VCC =5.5V;
VO=V
CC or GND per input pin;
other inputs at VCC or GND; IO=0 A
--10 A
ICC supply current VI=V
CC or GND; IO=0A;
VCC =5.5V --160A
ICC additional supply current VI=V
CC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V; IO=0A
Dn - - 147 A
LE - - 735 A
OE --490A
Table 7. Static characteristics 74HCT373 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 10 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
10. Dynamic characteristics
Table 8. Dynamic characteristics 74HC373
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
Tamb =25C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 2.0 V - 41 150 ns
VCC = 4.5 V - 15 30 ns
VCC =5V; C
L=15pF - 12 - ns
VCC = 6.0 V - 12 26 ns
LE to Qn; see Figure 9
VCC = 2.0 V - 50 175 ns
VCC = 4.5 V - 18 35 ns
VCC =5V; C
L=15pF - 15 - ns
VCC = 6.0 V - 14 30 ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 2.0 V - 44 150 ns
VCC = 4.5 V - 16 30 ns
VCC = 6.0 V - 13 26 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 2.0 V - 47 150 ns
VCC = 4.5 V - 17 30 ns
VCC = 6.0 V - 14 26 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 2.0 V - 14 60 ns
VCC = 4.5 V - 5 12 ns
VCC = 6.0 V - 4 10 ns
tWpulse width LE HIGH; see Figure 9
VCC = 2.0 V 80 17 - ns
VCC = 4.5 V 16 6 - ns
VCC = 6.0 V 14 5 - ns
tsu set-up time Dn to LE; see Figure 11
VCC = 2.0 V 50 14 - ns
VCC = 4.5 V 10 5 - ns
VCC = 6.0 V 9 4 - ns
thhold time Dn to LE; see Figure 11
VCC = 2.0 V +5 8- ns
VCC = 4.5 V +5 3- ns
VCC = 6.0 V +5 2- ns
CPD power dissipation capacitance per latch; VI=GNDtoV
CC [5] -45-pF
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 11 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Tamb =40 Cto+85C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 2.0 V - - 190 ns
VCC = 4.5 V - - 38 ns
VCC = 6.0 V - - 33 ns
LE to Qn; see Figure 9
VCC = 2.0 V - - 220 ns
VCC = 4.5 V - - 44 ns
VCC = 6.0 V - - 37 ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 2.0 V - - 190 ns
VCC = 4.5 V - - 38 ns
VCC = 6.0 V - - 33 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 2.0 V - - 190 ns
VCC = 4.5 V - - 38 ns
VCC = 6.0 V - - 33 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 2.0 V - - 75 ns
VCC = 4.5 V - - 15 ns
VCC = 6.0 V - - 13 ns
tWpulse width LE HIGH; see Figure 9
VCC = 2.0 V 100 - - ns
VCC = 4.5 V 20 - - ns
VCC = 6.0 V 17 - - ns
tsu set-up time Dn to LE; see Figure 11
VCC = 2.0 V 65 - - ns
VCC = 4.5 V 13 - - ns
VCC = 6.0 V 11 - - ns
thhold time Dn to LE; see Figure 11
VCC = 2.0 V 5 - - ns
VCC = 4.5 V 5 - - ns
VCC = 6.0 V 5 - - ns
Table 8. Dynamic characteristics 74HC373 …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 12 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Tamb =40 C to +125 C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 2.0 V - - 225 ns
VCC = 4.5 V - - 45 ns
VCC = 6.0 V - - 38 ns
LE to Qn; see Figure 9
VCC = 2.0 V - - 265 ns
VCC = 4.5 V - - 53 ns
VCC = 6.0 V - - 45 ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 2.0 V - - 225 ns
VCC = 4.5 V - - 45 ns
VCC = 6.0 V - - 38 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 2.0 V - - 225 ns
VCC = 4.5 V - - 45 ns
VCC = 6.0 V - - 38 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 2.0 V - - 90 ns
VCC = 4.5 V - - 18 ns
VCC = 6.0 V - - 15 ns
tWpulse width LE HIGH; see Figure 9
VCC = 2.0 V 120 - - ns
VCC = 4.5 V 24 - - ns
VCC = 6.0 V 20 - - ns
tsu set-up time Dn to LE; see Figure 11
VCC = 2.0 V 75 - - ns
VCC = 4.5 V 15 - - ns
VCC = 6.0 V 13 - - ns
Table 8. Dynamic characteristics 74HC373 …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 13 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
[1] tpd is the same as tPLH and tPHL.
[2] ten is the same as tPZH and tPZL.
[3] tdis is the same as tPLZ and tPHZ.
[4] tt is the same as tTHL and tTLH.
[5] CPD is used to determine the dynamic power dissipation (PD in W).
PD=C
PD VCC2fiN+(CLVCC2fo) where:
fi = input frequency in MHz;
fo= output frequency in MHz;
CL= output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CLVCC2fo) = sum of outputs.
thhold time Dn to LE; see Figure 11
VCC = 2.0 V 5 - - ns
VCC = 4.5 V 5 - - ns
VCC = 6.0 V 5 - - ns
Table 8. Dynamic characteristics 74HC373 …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
Table 9. Dynamic characteristics 74HCT373
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
Tamb =25C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 4.5 V - 17 30 ns
VCC =5V; C
L=15pF - 14 - ns
LE to Qn; see Figure 9
VCC = 4.5 V - 16 32 ns
VCC =5V; C
L=15pF - 13 - ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 4.5 V - 19 32 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 4.5 V - 18 30 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 4.5 V - 5 12 ns
tWpulse width LE HIGH ; see Figure 9
VCC = 4.5 V 16 4 - ns
tsu set-up time Dn to LE; see Figure 11
VCC = 4.5 V 12 6 - ns
thhold time Dn to LE; see Figure 11
VCC = 4.5 V 4 1- ns
CPD power dissipation capacitance p er latch;
VI=GNDto(V
CC 1.5 V) [5] -41-pF
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 14 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Tamb =40 Cto+85C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 4.5 V - - 38 ns
LE to Qn; see Figure 9
VCC = 4.5 V - - 40 ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 4.5 V - - 40 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 4.5 V - - 38 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 4.5 V - - 15 ns
tWpulse width LE HIGH ; see Figure 9
VCC = 4.5 V 20 - - ns
tsu set-up time Dn to LE; see Figure 11
VCC = 4.5 V 15 - - ns
thhold time Dn to LE; see Figure 11
VCC = 4.5 V 4 - - ns
Tamb =40 C to +125 C
tpd propagation delay Dn to Qn; see Figure 8 [1]
VCC = 4.5 V - - 45 ns
LE to Qn; see Figure 9
VCC = 4.5 V - - 48 ns
ten enable time OE to Qn; see Figure 10 [2]
VCC = 4.5 V - - 48 ns
tdis disable time OE to Qn; see Figure 10 [3]
VCC = 4.5 V - - 45 ns
tttransition time Qn; see Figure 8 and Figure 9 [4]
VCC = 4.5 V - - 18 ns
tWpulse width LE HIGH ; see Figure 9
VCC = 4.5 V 24 - - ns
tsu set-up time Dn to LE Dn to LE; see Figure 11
VCC = 4.5 V 18 - - ns
Table 9. Dynamic characteristics 74HCT373 …co n tinue d
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 15 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
[1] tpd is the same as tPLH and tPHL.
[2] ten is the same as tPZH and tPZL.
[3] tdis is the same as tPLZ and tPHZ.
[4] tt is the same as tTHL and tTLH.
[5] CPD is used to determine the dynamic power dissipation (PD in W).
PD=C
PD VCC2fiN+(CLVCC2fo) where:
fi= input frequency in MHz;
fo= output frequency in MHz;
CL= output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CLVCC2fo) = sum of outputs.
11. Waveforms
thhold time Dn to LE Dn to LE; see Figure 11
VCC = 4.5 V 4 - - ns
Table 9. Dynamic characteristics 74HCT373 …co n tinue d
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions Min Typ Max Unit
Measurement points are given in Table 10.
Fig 8. Propagation delay input (Dn) to output (Qn) and transition time output (Qn)
001aae082
Dn input
Qn output
VM
tPLH tPHL
tTHL
tTLH
VM
90 %
10 %
Measurement points are given in Table 10.
Fig 9. Pulse width latch enable input (LE), propagation delay (LE) to output (Q n) a nd transition time output (Qn)
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 16 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Measurement points are given in Table 10.
Fig 10. 3-state enable and disable time
001aae307
t
PLZ
t
PHZ
outputs
disabled outputs
enabled
90%
10%
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
OE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Measurement points are given in Table 10.
Fig 11. Set-up and hold time data input (Dn) to latch enable input (LE)
001aae084
V
M
LE input
Dn input V
M
t
h
t
su
t
h
t
su
Table 10 . Measurement points
Type Input Output
VMVM
74HC373 0.5VCC 0.5VCC
74HCT373 1.3 V 1.3 V
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 17 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Test data is given in Table 11.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator
CL = Load capacitance including jig and probe capacitance
RL = Load resistor
S1 = Test selection switch
Fig 12. Test circuit for measuring switching times
V
M
V
M
t
W
t
W
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
t
f
t
r
t
r
t
f
001aad983
DUT
V
CC
V
CC
VIVO
RT
RLS1
CL
open
G
Table 11. Test da ta
Type Input Load S1 position
VItr, tfCLRLtPHL, tPLH tPZH, tPHZ tPZL, tPLZ
74HC373 VCC 6ns 15pF, 50 pF 1kopen GND VCC
74HCT373 3 V 6 ns 15 pF, 50 pF 1 kopen GND VCC
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 18 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
12. Package outline
Fig 13. Package outline SOT146-1 (DIP20)
UNIT A
max. 1 2 b1cD E e M
H
L
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm
inches
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
SOT146-1 99-12-27
03-02-13
A
min. A
max. bZ
max.
w
ME
e1
1.73
1.30 0.53
0.38 0.36
0.23 26.92
26.54 6.40
6.22 3.60
3.05 0.2542.54 7.62 8.25
7.80 10.0
8.3 24.2 0.51 3.2
0.068
0.051 0.021
0.015 0.014
0.009 1.060
1.045 0.25
0.24 0.14
0.12 0.010.1 0.3 0.32
0.31 0.39
0.33 0.0780.17 0.02 0.13
SC-603MS-001
MH
c
(e )
1
ME
A
L
seating plane
A1
wM
b1
e
D
A2
Z
20
1
11
10
b
E
pin 1 index
0 5 10 mm
scale
Note
1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included.
(1)
(1) (1)
DIP20: plastic dual in-line package; 20 leads (300 mil) SOT146-1
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 19 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Fig 14. Package outline SOT163-1 (SO20)
UNIT A
max. A1A2A3bpcD
(1) E(1) (1)
eH
ELL
pQZ
ywv θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm
inches
2.65 0.3
0.1 2.45
2.25 0.49
0.36 0.32
0.23 13.0
12.6 7.6
7.4 1.27 10.65
10.00 1.1
1.0 0.9
0.4 8
0
o
o
0.25 0.1
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
1.1
0.4
SOT163-1
10
20
wM
bp
detail X
Z
e
11
1
D
y
0.25
075E04 MS-013
pin 1 index
0.1 0.012
0.004 0.096
0.089 0.019
0.014 0.013
0.009 0.51
0.49 0.30
0.29 0.05
1.4
0.055
0.419
0.394 0.043
0.039 0.035
0.016
0.01
0.25
0.01 0.004
0.043
0.016
0.01
0 5 10 mm
scale
X
θ
A
A1
A2
HE
Lp
Q
E
c
L
vMA
(A )
3
A
SO20: plastic small outline package; 20 leads; body width 7.5 mm SOT163-1
99-12-27
03-02-19
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 20 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Fig 15. Package outline SOT339-1 (SSOP20)
UNIT A1A2A3bpcD
(1) E(1) eH
ELL
pQ(1)
Zywv θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm 0.21
0.05 1.80
1.65 0.38
0.25 0.20
0.09 7.4
7.0 5.4
5.2 0.65 7.9
7.6 0.9
0.7 0.9
0.5 8
0
o
o
0.131.25 0.2 0.1
DIMENSIONS (mm are the original dimensions)
Note
1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.
1.03
0.63
SOT339-1 MO-150 99-12-27
03-02-19
X
wM
θ
A
A1
A2
bp
D
HE
Lp
Q
detail X
E
Z
e
c
L
vMA
(A )
3
A
110
20 11
y
0.25
pin 1 index
0 2.5 5 mm
scale
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm SOT339-1
A
max.
2
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 21 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Fig 16. Package outline SOT360-1 (TSSOP20)
UNIT A1A2A3bpcD
(1) E(2) (1)
eH
ELL
pQZywv θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm 0.15
0.05 0.95
0.80 0.30
0.19 0.2
0.1 6.6
6.4 4.5
4.3 0.65 6.6
6.2 0.4
0.3 0.5
0.2 8
0
o
o
0.13 0.10.21
DIMENSIONS (mm are the original dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
0.75
0.50
SOT360-1 MO-153 99-12-27
03-02-19
wM
bp
D
Z
e
0.25
110
20 11
pin 1 index
θ
A
A1
A2
Lp
Q
detail X
L
(A )
3
HE
E
c
vMA
X
A
y
0 2.5 5 mm
scale
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1
A
max.
1.1
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 22 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Fig 17. Package outline SOT764-1 (DHVQFN20)
terminal 1
index area
0.51
A1Eh
b
UNIT ye
0.2
c
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm 4.6
4.4
Dh
3.15
2.85
y1
2.6
2.4 1.15
0.85
e1
3.5
0.30
0.18
0.05
0.00 0.05 0.1
DIMENSIONS (mm are the original dimensions)
SOT764-1 MO-241 - - -- - -
0.5
0.3
L
0.1
v
0.05
w
0 2.5 5 mm
scale
SOT764-1
DHVQFN20: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 x 4.5 x 0.85 mm
A(1)
max.
AA1c
detail X
y
y1C
e
L
Eh
Dh
e
e1
b
29
19 12
11
10
1
20
X
D
E
C
BA
terminal 1
index area
AC
CB
vM
wM
E(1)
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
D(1)
02-10-17
03-01-27
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 23 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
13. Abbreviations
14. Revision history
Table 12. Abbreviations
Acronym Description
CMOS Complementary Metal Oxide Semiconductor
ESD ElectroStatic Discharge
HBM Human Body Model
MM Machine Model
TTL Transistor-Transistor Logic
Table 13. Revision history
Document ID Release date Data sheet status Change notice Supersedes
74HC_HCT373 v.5 20111213 Product data sheet - 74HC_HCT373 v.4
Modifications: •Legal pages updated.
74HC_HCT373 v.4 20100903 Product data sheet - 74HC_HCT373 v.3
74HC_HCT373 v.3 20060120 Product data sheet - 74HC_HCT373_CNV v.2
74HC_HCT373_CNV v.2 19970827 Product specification - -
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 24 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
15. Legal information
15.1 Data sheet status
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of de vice(s) descr ibed in th is docume nt may have cha nged since this docume nt was publis hed and ma y dif fer in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nxp.com.
15.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liab ility for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and tit le. A short data sh eet is intended
for quick reference only and shou ld not be rel ied u pon to cont ain det ailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local NXP Semiconductors sales
office. In case of any inconsistency or conf lict with the short data sheet, the
full data sheet shall pre vail.
Product specificat io n — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
NXP Semiconductors and its customer, unless NXP Semiconductors and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the NXP Semiconductors product is
deemed to off er functions and qualities beyon d those described in the
Product data sheet.
15.3 Disclaimers
Limited warr a nty and liability — Information in this document is believed to
be accurate and reliable. However, NXP Semiconductors does not give any
representations or warranties, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information.
In no event shall NXP Semiconductors be liable for any indirect, incidental,
punitive, special or consequ ential damages (including - wit hout limitatio n - lost
profits, lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, NXP Semiconductors’ ag gregate and cumulative l iability towards
customer for the products described herein shall be limited in accordance
with the Terms and conditions of commercial sale of NXP Semicondu ctors.
Right to make changes — NXP Semiconductors reserves the right to make
changes to information published in this document, including without
limitation specifications and product descripti ons, at any time and without
notice. This document supersedes and replaces all informa tion supplied prior
to the publication hereof .
Suitability for use — NXP Semiconductors products are not designed,
authorized or warranted to be suit able for use in life support, life-crit ical or
safety-critical systems or equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can reasonably be expected
to result in perso nal injury, death or severe propert y or environmental
damage. NXP Semiconductors accepts no liab ility for inclusion and/or use of
NXP Semiconductors products in such equipment or applications and
therefore such inclusion and/or use is at the customer’s own risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors makes no
representation or warranty tha t such application s will be suitable for the
specified use without further testing or modification.
Customers are responsible for the design and ope ration of their applications
and products using NXP Semiconductors product s, and NXP Semiconductors
accepts no liability for any assistance with applications or customer product
design. It is customer’s sole responsibility to determine whether the NXP
Semiconductors product is suit able and fit for the custome r’s applications and
products planned, as well as fo r the planned application and use of
customer’s third party customer(s). Customers should provide appropriate
design and operating safeguards to minimize the risks associate d with t heir
applications and products.
NXP Semiconductors does not accept any liabil ity related to any default,
damage, costs or problem which is based on any weakness or default in the
customer’s applications or products, or the appl ication or use by customer’s
third party customer(s). Customer is responsible for doing all necessary
testing for th e customer’s applications and pro ducts using NXP
Semiconductors products in order to avoid a default of the applications and
the products or of the application or use by customer’s third party
customer(s). NXP does not accept any liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress rating s only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanent ly and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — NXP Semiconductors
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nxp.com/profile/terms, unless otherwise
agreed in a valid written individua l agreement. In case an individual
agreement is concluded only the ter ms and conditions of the respective
agreement shall apply. NXP Semiconductors hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of NXP Semiconductors products by customer.
No offer to sell or license — Nothing i n this document may be interpreted or
construed as an of fer t o sell product s that is open for accept ance or t he grant,
conveyance or implication of any license under any copyrights, patents or
other industrial or intellectual property rights.
Export control — This document as well as the item(s) described herein
may be subject to export control regulatio ns. Export might require a prior
authorization from competent authorities.
Document status[1][2] Product status[3] Definition
Objective [short] data sheet Development This document contains data from the objective specificati on for product development.
Preliminary [short] dat a sheet Qualification This document contains data from the preliminary specification.
Product [short] dat a sheet Production This document contain s t he product specification.
74HC_HCT373 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 5 — 13 December 2011 25 of 26
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors prod uct is automotive qualified,
the product is not suitable for automotive use. It is neither qua lif ied nor test ed
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automot ive specifications and standard s, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
15.4 Trademarks
Notice: All referenced b rands, produc t names, service names and trademarks
are the property of their respect i ve ow ners.
16. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
NXP Semiconductors 74HC373; 74HCT373
Octal D-type transparent latch; 3-state
© NXP B.V. 2011. All rights reserved.
For more information, please visit: http://www.nxp.co m
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 13 December 2011
Document identifier: 74HC_HCT373
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
17. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 4
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Functional description . . . . . . . . . . . . . . . . . . . 5
6.1 Function table. . . . . . . . . . . . . . . . . . . . . . . . . . 5
7 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 Recommended operating conditions. . . . . . . . 6
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 6
10 Dynamic characteristics . . . . . . . . . . . . . . . . . 10
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18
13 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 23
14 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 23
15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 24
15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 24
15.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
15.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 25
16 Contact information. . . . . . . . . . . . . . . . . . . . . 25
17 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26