PCA9540 Datasheet - NXP

Datasheet Details

Part number:

PCA9540

Manufacturer:

File Size:

110.04 KB

Description:

2-channel i2c multiplexer.

PCA9540, 2-channel I2C multiplexer

The PCA9540 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.

The pass gates

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