PCA9543A Datasheet (Texas Instruments) - 2-Channel I2C Bus Switch

PCA9543A, 2-Channel I2C Bus Switch

The PCA9543A is a dual bidirectional translating switch controlled by the I2C bus.

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

Either individual SCn/SDn channel or both channels can be selected, determined by the contents of the programmable control register.

Two interru

PCA9543A Features

* 1 1-of-2 Bidirectional Translating Switches

* I2C Bus and SMBus Compatible

* Two Active-Low Interrupt Inputs

* Active-Low Interrupt Output

* Active-Low Reset Input

* Two Address Pins Allowing up to Four PCA9543A Devices on the I2C Bus

* Channe