TCA6408A datasheet(5/35 Pages) TI1

Part #	TCA6408A

Description	LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

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Manufacturer	TI1 [Texas Instruments]

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14

I/O Port

Shift

Register

8 Bits

Input

Filter

15

Power-On

Reset

Read Pulse

Write Pulse

2

16

8

GND

V

CCP

SDA

SCL

ADDR

I C Bus

Control

2

RESET

3

INT

Interrupt

Logic

LP Filter

13

1

V

CCI

P7–P0

TCA6408A

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............................................................................................................................................................. SCPS192C–APRIL 2009–REVISED JULY 2009

LOGIC DIAGRAM (POSITIVE LOGIC)

A. All pin numbers shown are for the PW package.

B. All I/Os are set to inputs at reset.

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