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TCA9543APWR Datasheet(PDF) 3 Page - Texas Instruments

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Part # TCA9543APWR
Description  TCA9543A Low Voltage 2-Channel I2C Bus Switch With Interrupt Logic And Reset
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9543APWR Datasheet(HTML) 3 Page - Texas Instruments

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D PACKAGE
(TOP VIEW)
A0
A1
RESET
INT0
SD0
SC0
GND
VCC
SDA
SCL
INT
SC1
SD1
INT1
1
2
3
4
5
6
7
14
13
12
11
10
9
8
PW PACKAGE
(TOP VIEW)
A0
A1
RESET
INT0
SD0
SC0
GND
1
2
3
4
5
6
7
VCC
SDA
SCL
INT
SC1
SD1
INT1
14
13
12
11
10
9
8
TCA9543A
www.ti.com
SCPS206A – MARCH 2014 – REVISED FEBRUARY 2015
6 Pin Configuration and Functions
Pin Functions
PIN
NAME
DESCRIPTION
NO.
D, PW
1
A0
Address input 0. Connect directly to VCC or ground.
2
A1
Address input 1. Connect directly to VCC or ground.
3
RESET
Active-low reset input. Connect to VCC or VDPUM
(1) through a pull-up resistor, if not used.
4
INT0
Active-low interrupt input 0. Connect to VDPU0
(1) through a pull-up resistor.
5
SD0
Serial data 0. Connect to VDPU0
(1) through a pull-up resistor.
6
SC0
Serial clock 0. Connect to VDPU0
(1) through a pull-up resistor.
7
GND
Ground
8
INT1
Active-low interrupt input 1. Connect to VDPU1
(1) through a pull-up resistor.
9
SD1
Serial data 1. Connect to VDPU1
(1) through a pull-up resistor.
10
SC1
Serial clock 1. Connect to VDPU1
(1) through a pull-up resistor.
11
INT
Active-low interrupt output. Connect to VDPUM
(1) through a pull-up resistor.
12
SCL
Serial clock line. Connect to VDPUM
(1) through a pull-up resistor.
13
SDA
Serial data line. Connect to VDPUM
(1) through a pull-up resistor.
14
VCC
Supply power
(1)
VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the master I
2C reference voltage while V
DPU0 and VDPU1 are
the slave channel reference voltages.
Copyright © 2014–2015, Texas Instruments Incorporated
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