PCA9544A Datasheet - Texas Instruments

PCA9544A Low Voltage 4-Channel I2C and SMBus Multiplexer

The PCA9544A is a 4-channel, bidirectional translating multiplexer controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. One SCL/SDA pair can be selected at a time, and this is determined by the contents of the programmable control register. Four inter.

PCA9544A Features

* 1 1-of-4 Bidirectional translating switches

* I2C Bus and SMBus compatible

* Four active-low interrupt inputs

* Active-low interrupt output

* Three address pins, allowing up to eight devices on the I2C Bus

* Channel selection via I2C Bus

* Pow

PCA9544A Datasheet (1.96 MB)