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PCA9542 Datasheet - NXP

PCA9542_PhilipsSemiconductors.pdf

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Datasheet Details

Part number:

PCA9542

Manufacturer:

NXP ↗

File Size:

74.20 KB

Description:

2-channel i2c multiplexer and interrupt controller.

PCA9542, 2-channel I2C multiplexer and interrupt controller

The PCA9542 is a 1-of-2 bi-directional translating multiplexer, controlled via the I2C bus.

The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.

Only one SCx/SDx channel is selected at a time, determined by the contents of the programmable control register.

Two interrupt

PCA9542 Features

* 1-of-2 bi-directional translating multiplexer

* Channel selection via I2C bus

* Operating supply voltage 2.5 to 3.6 V

* Operating temperature range 0°C to 70°C

* Power-up with all multiplexer channels deselected

* 3 address pins, allowing up to 8 de

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