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PCA9542APW,112

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
PCA9542A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 5.1 — 15 July 2015 10 of 27
NXP Semiconductors
PCA9542A
2-channel I
2
C-bus multiplexer and interrupt logic
7.5 Bus transactions
8. Application design-in information
Fig 11. Write control register
Fig 12. Read control register
002aae299
XXXXXB2B1B01 1 0 A2 A1 A0 0 AS 1 A P
slave address
START condition R/W acknowledge
from slave
acknowledge
from slave
control register
SDA
STOP condition
002aae305
XX
INT
1
INT
0
X B2B1B0
1 1 0 A2 A1 A0 1 AS 1 NA P
slave address
START condition R/W acknowledge
from slave
no acknowledge
from master
control register
SDA
STOP condition
last byte
(1) If the device generating the interrupt has an open-drain output structure or can be 3-stated,
a pull-up resistor is required.
If the device generating the interrupt has a totem pole output structure and cannot be 3-stated,
a pull-up resistor is not required.
The interrupt inputs should not be left floating.
Fig 13. Typical application
PCA9542A
SD0
SC0
A1
A0
V
SS
SDA
SCL
INT
V
DD
= 3.3 V
V
DD
= 2.7 V to 5.5 V
I
2
C-bus/SMBus master
002aae306
SDA
SCL
channel 0
V = 2.7 V to 5.5 V
A2
INT0
(1)
SD1
SC1
channel 1
V = 2.7 V to 5.5 V
INT1
(1)
PCA9542A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 5.1 — 15 July 2015 11 of 27
NXP Semiconductors
PCA9542A
2-channel I
2
C-bus multiplexer and interrupt logic
9. Limiting values
[1] The performance capability of a high-performance integrated circuit in conjunction with its thermal
environment can create junction temperatures which are detrimental to reliability. The maximum junction
temperature of this integrated circuit should not exceed 125 C.
10. Thermal characteristics
Table 6. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Voltages are referenced to ground (V
SS
= 0 V).
[1]
Symbol Parameter Conditions Min Max Unit
V
DD
supply voltage 0.5 +7.0 V
V
I
input voltage 0.5 +7.0 V
I
I
input current - 20 mA
I
O
output current - 25 mA
I
DD
supply current - 100 mA
I
SS
ground supply current - 100 mA
P
tot
total power dissipation - 400 mW
T
j(max)
maximum junction temperature
[1]
-125C
T
stg
storage temperature 60 +150 C
T
amb
ambient temperature operating 40 +85 C
Table 7. Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-a)
thermal resistance from junction
to ambient
SO14 package 127 C/W
TSSOP14 package 175 C/W
PCA9542A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 5.1 — 15 July 2015 12 of 27
NXP Semiconductors
PCA9542A
2-channel I
2
C-bus multiplexer and interrupt logic
11. Static characteristics
[1] For operation between published voltage ranges, refer to worst case parameter in both ranges.
[2] V
DD
must be lowered to 0.2 V for at least 5 s in order to reset part.
Table 8. Static characteristics at V
DD
=2.3V to 3.6V
V
SS
=0V; T
amb
=
40
C to +85
C; unless otherwise specified. See Table 9 for V
DD
= 4.5 V to 5.5 V.
[1]
Symbol Parameter Conditions Min Typ Max Unit
Supply
V
DD
supply voltage 2.3 - 3.6 V
I
DD
supply current operating mode; V
DD
=3.6V;
no load; V
I
=V
DD
or V
SS
;
f
SCL
= 100 kHz
-1030A
I
stb
standby current standby mode; V
DD
= 3.6 V; no load;
V
I
=V
DD
or V
SS
; f
SCL
= 0 kHz
-0.11 A
V
POR
power-on reset voltage no load; V
I
=V
DD
or V
SS
[2]
-1.62.1V
Input SCL; input/output SDA
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-6 V
I
OL
LOW-level output current V
OL
=0.4V 3 7 - mA
V
OL
=0.6V 6 10 - mA
I
L
leakage current V
I
=V
DD
or V
SS
1- +1 A
C
i
input capacitance V
I
=V
SS
-910pF
Select inputs A0, A1, A2, INT0
, INT1
V
IL
LOW-level input voltage 0.5 - +0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-6 V
I
LI
input leakage current V
I
=V
DD
or V
SS
1- +1 A
C
i
input capacitance V
I
=V
SS
-1.63 pF
Pass gate
R
on
ON-state resistance V
DD
= 3.0 V to 3.6 V; V
O
=0.4V;
I
O
=15mA
51130
V
DD
= 2.3 V to 2.7 V; V
O
=0.4V;
I
O
=10mA
71655
V
o(sw)
switch output voltage V
i(sw)
=V
DD
= 3.3 V; I
o(sw)
= 100 A- 1.9- V
V
i(sw)
=V
DD
= 3.0 V to 3.6 V;
I
o(sw)
= 100 A
1.6 - 2.8 V
V
i(sw)
=V
DD
= 2.5 V; I
o(sw)
= 100 A- 1.5- V
V
i(sw)
=V
DD
= 2.3 V to 2.7 V;
I
o(sw)
= 100 A
1.1 - 2.0 V
I
L
leakage current V
I
=V
DD
or V
SS
1- +1 A
C
io
input/output capacitance V
I
=V
SS
-35 pF
INT
output
I
OL
LOW-level output current V
OL
=0.4V 3 - - mA
I
OH
HIGH-level output current - - +10 A
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PCA9542APW,112

Mfr. #:
Buy PCA9542APW,112
Manufacturer:
NXP Semiconductors
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 2-CH I2C MUX W/INTERRUPT
Lifecycle:
New from this manufacturer.
Delivery:
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