PCA9544ABS datasheet(3/26 Pages) NXP

Part #	PCA9544ABS

Description	4-channel I2C-bus multiplexer with interrupt logic

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Manufacturer	NXP [NXP Semiconductors]

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PCA9544A_4

Product data sheet

Rev. 04 — 15 June 2009

3 of 26

NXP Semiconductors

PCA9544A

4-channel I2C-bus multiplexer with interrupt logic

4.

Block diagram

Fig 1.

Block diagram

SWITCH CONTROL LOGIC

PCA9544A

POWER-ON

RESET

002aae296

SD2

SD3

VSS

VDD

I2C-BUS

CONTROL

INPUT

FILTER

SCL

SDA

A0

A1

A2

SD1

SD0

SC2

SC3

SC1

SC0

INTERRUPT LOGIC

INT[3:0]

INT

Similar Part No. - PCA9544ABS

Manufacturer	Part #	Datasheet	Description
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