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PCA9544A
(Rev.:2009)

4-channel I2C-bus multiplexer with interrupt logic

NXP Semiconductors. 

NXP Semiconductors

4. Block diagram

PCA9544A

4-channel I2C-bus multiplexer with interrupt logic

PCA9544A

SC0

SC1

SC2

SC3

SD0

SD1

SD2

SD3

VSS

VDD

POWER-ON

RESET

SWITCH CONTROL LOGIC

SCL

SDA

INPUT

FILTER

INT[3:0]

Fig 1. Block diagram

I2C-BUS

CONTROL

INTERRUPT LOGIC

A0

A1

A2

INT

002aae296

PCA9544A_4

Product data sheet

Rev. 04 — 15 June 2009

© NXP B.V. 2009. All rights reserved.

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