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PCA9641 - 2-channel I2C-bus master arbiter

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NXP

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PCA9641 2-channel I2C-bus master arbiter by NXP - Datasheet Preview — Datasheet preview – PCA9641

Datasheet Details

Part number	PCA9641
Manufacturer	NXP
File Size	1.63 MB
Description	2-channel I2C-bus master arbiter
Datasheet	PCA9641 Datasheet
Additional preview pages of the PCA9641 datasheet.

Product details

Description

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

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 different addresses.
Arbitration active when two masters try to take the downstream I2C-bus at the same time.
The winning master controls the downstream bus until it is done, as long as it is with.

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Published: Sep 15, 2024 |