PCA9538DBR datasheet(3/31 Pages) TI

Part #	PCA9538DBR

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

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Manufacturer	TI [Texas Instruments]

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14

I/O

Port

Shift

Register

8 Bits

LP Filter

Interrupt

Logic

Input

Filter

15

Power-On

Reset

Read Pulse

Write Pulse

2

1

13

16

8

GND

VCC

SDA

SCL

A1

A0

INT

I2C Bus

Control

P7−P0

RESET

3

PCA9538

www.ti.com ................................................................................................................................................ SCPS126E – SEPTEMBER 2006 – REVISED JUNE 2008

FUNCTIONAL BLOCK DIAGRAM

A.

Pin numbers shown are for the DB, DBQ, DGV, DW, or PW package.

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3

Product Folder Link(s): PCA9538

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