1. General description
The PCA9515A is a CMOS integrated circuit intended for application in I2C-bus and
SMBus systems.
While retaining all the operating modes and features of the I2C-bus system, it permits
extension of the I2C-bus by buffering both the data (SDA) and the clock (SCL) lines, thus
enabling two buses of 400 pF.
The I2C-bus capacitance limit of 400 pF restricts the number of devices and bus length.
Using the PCA9515A enables the system designer to isolate two halves of a bus, thus
more devices or longer length can be accommodated. It can also be used to run two
buses, one at 5 V and the other at 3.3 V or a 400 kHz and 100 kHz bus, where the
100 kHz bus is isolated when 400 kHz operation of the other is required.
Two or more PCA9515As cannot be put in series. The PCA9515A design does not
allow this configuration. Since there is no direction pin, slightly different ‘legal’ low voltage
levels are used to avoid lock-up conditions between the input and the output. A ‘regular
LOW’ applied at the input of a PCA9515A will be propagated as a ‘buffered LOW’ with a
slightly higher value. When this ‘buffered LOW’ is applied to another PCA9515A,
PCA9516A or PCA9518/A in series, the second PCA9515A, PCA9516A or PCA9518/A
will not recognize it as a ‘regular LOW’ and will not propagate it as a ‘buffered LOW’ again.
The PCA9510/A, PCA9511/A, PCA9512/A, PCA9513/A, PCA9514/A cannot be used in
series with the PCA9515A, PCA9516A or PCA9518/A, but can be used in series with
themselves since they use shifting instead of static offsets to avoid lock-up conditions.
The output pull-down of each internal buffer is set for approximately 0.5 V, while the input
threshold of each internal buffer is set about 0.07 V lower, when the output is internally
driven LOW. This prevents a lock-up condition from occurring.
2. Features
n2-channel, bidirectional buffer
nI2C-bus and SMBus compatible
nActive HIGH repeater enable input
nOpen-drain input/outputs
nLock-up free operation
nSupports arbitration and clock stretching across the repeater
nAccommodates Standard-mode and Fast-mode I2C-bus devices and multiple masters
nPowered-off high-impedance I2C-bus pins
nOperating supply voltage range of 2.3 V to 3.6 V
n5.5 V tolerant I2C-bus and enable pins
PCA9515A
I2C-bus repeater
Rev. 04 — 11 April 2008 Product data sheet
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 2 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
n0 Hz to 400 kHz clock frequency (the maximum system operating frequency may be
less than 400 kHz because of the delays added by the repeater)
nESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per
JESD22-A115, and 1000 V CDM per JESD22-C101
nLatch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
nPackages offered: SO8 and TSSOP8 (MSOP8)
3. Ordering information
[1] Also known as MSOP8.
4. Functional diagram
Table 1. Ordering information
T
amb
=
40
°
C to +85
°
C.
Type number Topside
mark Package
Name Description Version
PCA9515AD PA9515A SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1
PCA9515ADP 9515A TSSOP8[1] plastic thin shrink small outline package; 8 leads;
body width 3 mm SOT505-1
Fig 1. Functional diagram of PCA9515A
002aad738
PCA9515A
SDA0
SCL0
EN
SDA1
SCL1
VCC
GND
pull-up
resistor
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 3 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
5. Pinning information
5.1 Pinning
5.2 Pin description
Fig 2. Pin configuration for SO8 Fig 3. Pin configuration for TSSOP8
(MSOP8)
n.c. VCC
SCL0 SCL1
SDA0 SDA1
GND EN
002aad736
1
2
3
4
6
5
8
7
PCA9515AD PCA9515ADP
n.c. VCC
SCL0 SCL1
SDA0 SDA1
GND EN
002aad737
1
2
3
4
6
5
8
7
Table 2. Pin description
Symbol Pin Description
n.c. 1 not connected
SCL0 2 serial clock bus 0; open-drain 5 V tolerant I/O
SDA0 3 serial data bus 0; open-drain 5 V tolerant I/O
GND 4 supply ground (0 V)
EN 5 active HIGH repeater enable input (internal pull-up with 100 k)
SDA1 6 serial data bus 1; open-drain 5 V tolerant I/O
SCL1 7 serial clock bus 1; open-drain 5 V tolerant I/O
VCC 8 supply voltage
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 4 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
6. Functional description
Refer to Figure 1 “Functional diagram of PCA9515A”.
The PCA9515A integrated circuit contains two identical buffer circuits which enable
I2C-bus and similar bus systems to be extended without degradation of system
performance.
The PCA9515A contains two bidirectional, open-drain buffers specifically designed to
support the standard LOW-level contention arbitration of the I2C-bus. Except during
arbitration or clock stretching, the PCA9515A acts like a pair of non-inverting, open-drain
buffers, one for SDA and one for SCL.
6.1 Enable
The EN pin is active HIGH with an internal pull-up and allows the user to select when the
repeater is active. This can be used to isolate a badly behaved slave on power-up until
after the system power-up reset. It should never change state during an I2C-bus operation
because disabling during a bus operation will hang the bus and enabling part way through
a bus cycle could confuse the I2C-bus parts being enabled.
The enable pin should only change state when the global bus and the repeater port are in
an idle state to prevent system failures.
6.2 I2C-bus systems
As with the standard I2C-bus system, pull-up resistors are required to provide the logic
HIGH levels on the buffered bus (standard open-collector configuration of the I2C-bus).
The size of these pull-up resistors depends on the system, but each side of the repeater
must have a pull-up resistor. This part designed to work with Standard-mode and
Fast-mode I2C-bus devices in addition to SMBus devices. Standard-mode I2C-bus devices
only specify 3 mA output drive; this limits the termination current to 3 mA in a generic
I2C-bus system where Standard-mode devices and multiple masters are possible. Under
certain conditions higher termination currents can be used.
Please see Application Note
AN255, I
2
C/SMBus Repeaters, Hubs and Expanders
for
additional information on sizing resistors and precautions when using more than one
PCA9515A/PCA9516A in a system or using the PCA9515A/PCA9516A in conjunction
with the P82B96.
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 5 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
7. Application design-in information
A typical application is shown in Figure 4. In this example, the system master is running
on a 3.3 V I2C-bus while the slave is connected to a 5 V bus. Both buses run at 100 kHz
unless the slave bus is isolated and then the master bus can run at 400 kHz. Master
devices can be placed on either bus.
The PCA9515A is 5 V tolerant, so it does not require any additional circuitry to translate
between the different bus voltages.
When one side of the PCA9515A is pulled LOW by a device on the I2C-bus, a CMOS
hysteresis type input detects the falling edge and causes the internal driver on the other
side to turn on, thus causing the other side to also go LOW. The side driven LOW by the
PCA9515A will typically be at VOL = 0.5 V.
In order to illustrate what would be seen in a typical application, refer to Figure 5 and
Figure 6. If the bus master in Figure 4 were to write to the slave through the PCA9515A,
we would see the waveform shown in Figure 5 on bus 0. This looks like a normal I2C-bus
transmission until the falling edge of the 8th clock pulse. At that point, the master releases
the data line (SDA) while the slave pulls it LOW through the PCA9515A. Because the VOL
of the PCA9515A is typically round 0.5 V, a step in the SDA will be seen. After the master
has transmitted the 9th clock pulse, the slave releases the data line.
On the bus 1 side of the PCA9515A, the clock and data lines would have a positive offset
from ground equal to the VOL of the PCA9515A. After the 8th clock pulse the data line will
be pulled to the VOL of the slave device, which is very close to ground in this example. It is
important to note that any arbitration or clock stretching events on bus 1 require that the
VOL of the PCA9515A (see VOLVILc in Section 9 “Static characteristics”) to be recognized
by the PCA9515A and then transmitted to bus 0.
Fig 4. Typical application
002aad739
VCC
PCA9515A
SDA0 SDA1
SCL0 SCL1
EN
10 k10 k
SDA
SCL
BUS
MASTER
400 kHz SLAVE
100 kHz
SDA
SCL
bus 0 bus 1
5 V
3.3 V
10 k10 k
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 6 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
8. Limiting values
Fig 5. Bus 0 waveform
9th clock pulse
VOL of master
VOL of PCA9515A
002aad740
SCL
SDA
Fig 6. Bus 1 waveform
9th clock pulse
VOL of slave
VOL of PCA9515A
002aad741
SCL
SDA
Table 3. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Voltages with respect to pin GND.
Symbol Parameter Conditions Min Max Unit
VCC supply voltage 0.5 +7 V
Vbus voltage on I2C-bus, SCL or SDA 0.5 +7 V
I DC current any pin - 50 mA
Ptot total power dissipation - 100 mW
Tstg storage temperature 55 +125 °C
Tamb ambient temperature operating in free air 40 +85 °C
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 7 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
9. Static characteristics
[1] For operation between published voltage ranges, refer to worst-case parameter in both ranges.
[2] Typical value taken at VCC = 3.3 V and Tamb =25°C.
[3] VIL specification is for the first LOW level seen by the SDAn/SCLn lines. VILc is for the second and subsequent LOW levels seen by the
SDAn/SCLn lines.
Table 4. Static characteristics (VCC = 3.0 V to 3.6 V)
V
CC
= 3.0 V to 3.6 V
[1]
; GND = 0 V; T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ[2] Max Unit
Supplies
VCC supply voltage 3.0 - 3.6 V
ICCH HIGH-level supply current both channels HIGH;
VCC = 3.6 V;
SDAn = SCLn = VCC
- 0.8 5 mA
ICCL LOW-level supply current both channels LOW;
VCC = 3.6 V;
one SDA and one SCL = GND;
other SDA and SCL open
- 1.7 5 mA
ICCLc contention LOW-level supply current VCC = 3.6 V;
SDAn = SCLn = GND - 1.6 5 mA
Input SCLn; input/output SDAn
VIH HIGH-level input voltage 0.7VCC - 5.5 V
VIL LOW-level input voltage [3] 0.5 - +0.3VCC V
VILc contention LOW-level input voltage [3] 0.5 - +0.4 V
VIK input clamping voltage II=18 mA - - 1.2 V
ILI input leakage current VI= 3.6 V 1-+1µA
IIL LOW-level input current SDAn, SCLn; VI= 0.2 V - - 5 µA
VOL LOW-level output voltage IOL =20µA or 6 mA 0.47 0.52 0.6 V
VOLVILc difference between LOW-level output
and LOW-level input voltage
contention
guaranteed by design - - 70 mV
Ciinput capacitance VI= 3 V or 0 V - 6 7 pF
Enable
VIL LOW-level input voltage 0.5 - +0.8 V
VIH HIGH-level input voltage 2.0 - 5.5 V
IIL(EN) LOW-level input current on pin EN VI= 0.2 V - 10 30 µA
ILI input leakage current 1-+1µA
Ciinput capacitance VI= 3.0 V or 0 V - 6 7 pF
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 8 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
[1] For operation between published voltage ranges, refer to worst-case parameter in both ranges.
[2] Typical value taken at VCC = 2.5 V and Tamb =25°C.
[3] VIL specification is for the first LOW level seen by the SDAn/SCLn lines. VILc is for the second and subsequent LOW levels seen by the
SDAn/SCLn lines.
Table 5. Static characteristics (VCC = 2.3 V to 2.7 V)
V
CC
= 2.3 V to 2.7 V
[1]
; GND = 0 V; T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ[2] Max Unit
Supplies
VCC supply voltage 2.3 - 2.7 V
ICCH HIGH-level supply current both channels HIGH;
VCC = 2.7 V;
SDAn = SCLn = VCC
- 0.8 5 mA
ICCL LOW-level supply current both channels LOW;
VCC = 2.7 V;
one SDA and one SCL = GND;
other SDA and SCL open
- 1.6 5 mA
ICCLc contention LOW-level supply current VCC = 2.7 V;
SDAn = SCLn = GND - 1.6 5 mA
Input SCLn; input/output SDAn
VIH HIGH-level input voltage 0.7VCC - 5.5 V
VIL LOW-level input voltage [3] 0.5 - +0.3VCC V
VILc contention LOW-level input voltage [3] 0.5 - +0.4 V
VIK input clamping voltage II=18 mA - - 1.2 V
ILI input leakage current VI= 2.7 V 1-+1µA
IIL LOW-level input current SDAn, SCLn; VI= 0.2 V - - 10 µA
VOL LOW-level output voltage IOL =20µA or 6 mA 0.47 0.52 0.6 V
VOLVILc difference between LOW-level output
and LOW-level input voltage
contention
guaranteed by design - - 70 mV
Ciinput capacitance VI= 3 V or 0 V - 6 7 pF
Enable
VIL LOW-level input voltage 0.5 - +0.8 V
VIH HIGH-level input voltage 2.0 - 5.5 V
IIL(EN) LOW-level input current on pin EN VI= 0.2 V - 10 30 µA
ILI input leakage current 1-+1µA
Ciinput capacitance VI= 3.0 V or 0 V - 6 7 pF
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 9 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
10. Dynamic characteristics
[1] Typical values taken at VCC = 2.5 V and Tamb =25°C.
[2] Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and transition times.
[1] Typical values taken at VCC = 3.3 V and Tamb =25°C.
[2] Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and transition times.
10.1 AC waveforms
Table 6. Dynamic characteristics (VCC = 2.3 V to 2.7 V)
V
CC
=2.3V to 2.7V; GND=0V; T
amb
=
40
°
Cto+85
°
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ[1] Max Unit
tPHL HIGH-to-LOW propagation delay Figure 7 45 82 130 ns
tPLH LOW-to-HIGH propagation delay Figure 7 [2] 33 113 190 ns
tTHL HIGH to LOW output transition time Figure 7 -57-ns
tTLH LOW to HIGH output transition time Figure 7 [2] - 148 - ns
tsu set-up time EN HIGH before START condition 100 - - ns
thhold time EN HIGH after STOP condition 130 - - ns
Table 7. Dynamic characteristics (VCC = 3.0 V to 3.6 V)
V
CC
=3.0V to 3.6V; GND=0V; T
amb
=
40
°
Cto+85
°
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ[1] Max Unit
tPHL HIGH-to-LOW propagation delay Figure 7 45 68 120 ns
tPLH LOW-to-HIGH propagation delay Figure 7 [2] 33 102 180 ns
tTHL HIGH to LOW output transition time Figure 7 -58-ns
tTLH LOW to HIGH output transition time Figure 7 [2] - 147 - ns
tsu set-up time EN HIGH before START condition 100 - - ns
thhold time EN HIGH after STOP condition 100 - - ns
Fig 7. Propagation delay and transition times
002aad478
3.3 V
3.3 V
tPLH
tTHL
1.5 V 1.5 Vinput
output 20 %
1.5 V 1.5 V 80 %
20 %
80 %
tPHL
tTLH VOL
0.1 V
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 10 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
11. Test information
RL= load resistor; 1.35 k
CL= load capacitance includes jig and probe capacitance; 50 pF
RT= termination resistance should be equal to Zo of pulse generators
Fig 8. Test circuit for open-drain outputs
PULSE
GENERATOR
VO
CL
RL
002aad479
RT
VI
VCC
VCC
DUT
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 11 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
12. Package outline
Fig 9. Package outline SOT96-1 (SO8)
UNIT A
max. A1A2A3bpcD
(1) E(2) (1)
eH
ELL
pQZywv θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm
inches
1.75 0.25
0.10 1.45
1.25 0.25 0.49
0.36 0.25
0.19 5.0
4.8 4.0
3.8 1.27 6.2
5.8 1.05 0.7
0.6 0.7
0.3 8
0
o
o
0.25 0.10.25
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included.
1.0
0.4
SOT96-1
X
wM
θ
A
A1
A2
bp
D
HE
Lp
Q
detail X
E
Z
e
c
L
vMA
(A )
3
A
4
5
pin 1 index
1
8
y
076E03 MS-012
0.069 0.010
0.004 0.057
0.049 0.01 0.019
0.014 0.0100
0.0075 0.20
0.19 0.16
0.15 0.05 0.244
0.228 0.028
0.024 0.028
0.012
0.010.010.041 0.004
0.039
0.016
0 2.5 5 mm
scale
SO8: plastic small outline package; 8 leads; body width 3.9 mm SOT96-1
99-12-27
03-02-18
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 12 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
Fig 10. Package outline SOT505-1 (TSSOP8)
UNIT A1
A
max. A2A3bpLHELpwyv
ceD(1) E(2) Z(1) θ
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC JEITA
mm 0.15
0.05 0.95
0.80 0.45
0.25 0.28
0.15 3.1
2.9 3.1
2.9 0.65 5.1
4.7 0.70
0.35 6°
0°
0.1 0.10.10.94
DIMENSIONS (mm are the original dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
0.7
0.4
SOT505-1 99-04-09
03-02-18
wM
bp
D
Z
e
0.25
14
85
θ
A
A2A1
Lp
(A3)
detail X
L
HE
E
c
vMA
X
A
y
2.5 5 mm0
scale
TSSOP8: plastic thin shrink small outline package; 8 leads; body width 3 mm SOT505-1
1.1
pin 1 index
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 13 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
13. Soldering of SMD packages
This text provides a very brief insight into a complex technology. A more in-depth account
of soldering ICs can be found in Application Note
AN10365 “Surface mount reflow
soldering description”
.
13.1 Introduction to soldering
Soldering is one of the most common methods through which packages are attached to
Printed Circuit Boards (PCBs), to form electrical circuits. The soldered joint provides both
the mechanical and the electrical connection. There is no single soldering method that is
ideal for all IC packages. Wave soldering is often preferred when through-hole and
Surface Mount Devices (SMDs) are mixed on one printed wiring board; however, it is not
suitable for fine pitch SMDs. Reflow soldering is ideal for the small pitches and high
densities that come with increased miniaturization.
13.2 Wave and reflow soldering
Wave soldering is a joining technology in which the joints are made by solder coming from
a standing wave of liquid solder. The wave soldering process is suitable for the following:
Through-hole components
Leaded or leadless SMDs, which are glued to the surface of the printed circuit board
Not all SMDs can be wave soldered. Packages with solder balls, and some leadless
packages which have solder lands underneath the body, cannot be wave soldered. Also,
leaded SMDs with leads having a pitch smaller than ~0.6 mm cannot be wave soldered,
due to an increased probability of bridging.
The reflow soldering process involves applying solder paste to a board, followed by
component placement and exposure to a temperature profile. Leaded packages,
packages with solder balls, and leadless packages are all reflow solderable.
Key characteristics in both wave and reflow soldering are:
Board specifications, including the board finish, solder masks and vias
Package footprints, including solder thieves and orientation
The moisture sensitivity level of the packages
Package placement
Inspection and repair
Lead-free soldering versus SnPb soldering
13.3 Wave soldering
Key characteristics in wave soldering are:
Process issues, such as application of adhesive and flux, clinching of leads, board
transport, the solder wave parameters, and the time during which components are
exposed to the wave
Solder bath specifications, including temperature and impurities
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 14 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
13.4 Reflow soldering
Key characteristics in reflow soldering are:
Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to
higher minimum peak temperatures (see Figure 11) than a SnPb process, thus
reducing the process window
Solder paste printing issues including smearing, release, and adjusting the process
window for a mix of large and small components on one board
Reflow temperature profile; this profile includes preheat, reflow (in which the board is
heated to the peak temperature) and cooling down. It is imperative that the peak
temperature is high enough for the solder to make reliable solder joints (a solder paste
characteristic). In addition, the peak temperature must be low enough that the
packages and/or boards are not damaged. The peak temperature of the package
depends on package thickness and volume and is classified in accordance with
Table 8 and 9
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reflow
soldering, see Figure 11.
Table 8. SnPb eutectic process (from J-STD-020C)
Package thickness (mm) Package reflow temperature (°C)
Volume (mm3)
< 350 350
< 2.5 235 220
2.5 220 220
Table 9. Lead-free process (from J-STD-020C)
Package thickness (mm) Package reflow temperature (°C)
Volume (mm3)
< 350 350 to 2000 > 2000
< 1.6 260 260 260
1.6 to 2.5 260 250 245
> 2.5 250 245 245
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 15 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
For further information on temperature profiles, refer to Application Note
AN10365
“Surface mount reflow soldering description”
.
14. Abbreviations
MSL: Moisture Sensitivity Level
Fig 11. Temperature profiles for large and small components
001aac844
temperature
time
minimum peak temperature
= minimum soldering temperature
maximum peak temperature
= MSL limit, damage level
peak
temperature
Table 10. Abbreviations
Acronym Description
CDM Charged-Device Model
CMOS Complementary Metal-Oxide Semiconductor
ESD ElectroStatic Discharge
HBM Human Body Model
I2C-bus Inter-Integrated Circuit bus
MM Machine Model
SMBus System Management Bus
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 16 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
15. Revision history
Table 11. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9515A_4 20080411 Product data sheet - PCA9515A_3
Modifications: The format of this data sheet has been redesigned to comply with the new identity guidelines of
NXP Semiconductors.
Legal texts have been adapted to the new company name where appropriate.
Section 1 “General description”, 4th paragraph: 5th and 6th sentences re-written
Table 2 “Pin description”:
appended “open-drain 5 V tolerant I/O” to the descriptions of SCL0 (pin 2), SDA0 (pin 3),
SDA1 (pin 6), and SCL1 (pin 7)
appended “(internal pull-up with 100 k)” to the description of EN (pin 5)
Table 4 “Static characteristics (VCC = 3.0 V to 3.6 V)” and Table 5 “Static characteristics
(VCC = 2.3 V to 2.7 V)”:
changed parameter description for ICCH from “quiescent supply current, both channels HIGH”
to “HIGH-level supply current” (moved “both channels HIGH” to Conditions column)
changed parameter description for ICCL from “quiescent supply current, both channels LOW” to
“LOW-level supply current” (moved “both channels LOW” to Conditions column)
sub-section “Enable”: changed symbol/parameter from “IIL, input current LOW, EN” to “IIL(EN),
LOW-level input current on pin EN”
Table 6 “Dynamic characteristics (VCC = 2.3 V to 2.7 V)” and Table 7 “Dynamic characteristics
(VCC = 3.0 V to 3.6 V)”:
changed symbol/parameter from “tSET, Enable to Start condition” to “tsu, set-up time”;
added “EN HIGH before START condition” to Conditions column
changed symbol/parameter from “tHOLD, Enable after Stop condition” to “th, hold time”;
added “EN HIGH after STOP condition” to Conditions column
Added SMD package soldering information
Added Section 14 “Abbreviations”
PCA9515A_3
(9397 750 14098) 20040929 Product data sheet - PCA9515A_2
PCA9515A_2
(9397 750 13709) 20040709 Product data sheet - PCA9515A_1
PCA9515A_1
(9397 98 13237) 20040617 Objective data sheet - -
PCA9515A_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 11 April 2008 17 of 18
NXP Semiconductors PCA9515A
I2C-bus repeater
16. Legal information
16.1 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 device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nxp.com.
16.2 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 liability 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 title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed 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 conflict with the short data sheet, the
full data sheet shall prevail.
16.3 Disclaimers
General — 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.
Right to make changes — NXP Semiconductors reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all information supplied prior
to the publication hereof.
Suitability for use — NXP Semiconductors products are not designed,
authorized or warranted to be suitable for use in medical, military, aircraft,
space or life support equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. NXP Semiconductors accepts no liability 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 that such applications will be suitable for the
specified use without further testing or modification.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) may cause permanent
damage to the device. Limiting values are stress ratings only and operation of
the device at these or any other conditions above those given in the
Characteristics sections of this document is not implied. Exposure to limiting
values for extended periods may affect device reliability.
Terms and conditions of 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, including those pertaining to warranty,
intellectual property rights infringement and limitation of liability, unless
explicitly otherwise agreed to in writing by NXP Semiconductors. In case of
any inconsistency or conflict between information in this document and such
terms and conditions, the latter will prevail.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
16.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
I2C-bus — logo is a trademark of NXP B.V.
17. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Document status[1][2] Product status[3] Definition
Objective [short] data sheet Development This document contains data from the objective specification for product development.
Preliminary [short] data sheet Qualification This document contains data from the preliminary specification.
Product [short] data sheet Production This document contains the product specification.
NXP Semiconductors PCA9515A
I2C-bus repeater
© NXP B.V. 2008. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 11 April 2008
Document identifier: PCA9515A_4
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
18. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Functional description . . . . . . . . . . . . . . . . . . . 4
6.1 Enable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2 I2C-bus systems . . . . . . . . . . . . . . . . . . . . . . . . 4
7 Application design-in information . . . . . . . . . . 5
8 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 7
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 9
10.1 AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . 9
11 Test information. . . . . . . . . . . . . . . . . . . . . . . . 10
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 11
13 Soldering of SMD packages . . . . . . . . . . . . . . 13
13.1 Introduction to soldering . . . . . . . . . . . . . . . . . 13
13.2 Wave and reflow soldering . . . . . . . . . . . . . . . 13
13.3 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 13
13.4 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 14
14 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 15
15 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 16
16 Legal information. . . . . . . . . . . . . . . . . . . . . . . 17
16.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 17
16.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
16.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
16.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
17 Contact information. . . . . . . . . . . . . . . . . . . . . 17
18 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18