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PCA9542A Datasheet - NXP Semiconductors

PCA9542A_NXPSemiconductors.pdf

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Datasheet Details

Part number:

PCA9542A

Manufacturer:

NXP ↗ Semiconductors

File Size:

162.75 KB

Description:

2-channel i2c-bus multiplexer and interrupt logic.

PCA9542A, 2-channel I2C-bus multiplexer and interrupt logic

The PCA9542A is a 1-of-2 bidirectional 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

PCA9542A Features

* I I I I I I I I I I I I I I I I 1-of-2 bidirectional translating multiplexer I2C-bus interface logic; compatible with SMBus 2 active LOW interrupt inputs (INT0, INT1) Active LOW interrupt output (INT) 3 address pins allowing up to 8 devices on the I2C-bus Channel selection via I2C-bus Powers up with

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