TCA9546A Datasheet (Texas Instruments) - Low Voltage 4-Channel I2C and SMBus Switch

TCA9546A, Low Voltage 4-Channel I2C and SMBus Switch

The TCA9546A 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.

TCA9546A Features

* 1 1-of-4 Bidirectional translating switches

* I2C Bus and SMBus compatible

* Active-low reset input

* Three address pins, allowing up to eight TCA9546A devices on the I2C bus

* Channel selection via I2C Bus, in any combination

* Power-up with all swit