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PCA9641 Datasheet - NXP

PCA9641-NXP.pdf

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Datasheet Details

Part number:

PCA9641

Manufacturer:

NXP ↗

File Size:

1.63 MB

Description:

2-channel i2c-bus master arbiter.

PCA9641, 2-channel I2C-bus master arbiter

The PCA9641 is a 2-to-1 I2C master demultiplexer with an arbiter function.

It is designed for high reliability dual master I2C-bus applications where correct system operation is required, even when two I2C-bus masters issue their commands at the same time.

The arbiter will select a winner and let it

PCA9641 Features

* 2-to-1 bidirectional master selector

* Channel selection via I2C-bus

* I2C-bus interface logic; compatible with SMBus standards

* 2 active LOW interrupt outputs to master controllers

* Active LOW reset input

* Software reset

* Four address pins allowing up to 112 differ

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