PCA9546A Datasheet (Texas Instruments) - Low Voltage 4-Channel I2C and SMBus Switch

PCA9546A, Low Voltage 4-Channel I2C and SMBus Switch

The PCA9546A is a quad bidirectional translating switch controlled via the I2C bus.

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

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

PCA9546A Features

* 1-of-4 Bidirectional Translating Switches

* I2C Bus and SMBus Compatible

* Active-Low Reset Input

* Three Address Pins, Allowing up to Eight PCA9546A Devices on the I2C Bus

* Channel Selection Via I2C Bus, in Any Combination

* Power-up With All Switc