PI4MSD5V9543A Datasheet (Pericom Semiconductor)

PI4MSD5V9543A, 2 Channel I2C bus switch

The PI4MSD5V9543A is a bidirectional translating switch, controlled by the I2C bus.

The SCL/SDA channels.

Any individual SCx/SDx channels or combination of channels can be selected, determined by Pin Configuration Pin Description Pin No Pin Name Type Description 1 A0 Input address input 0 2

PI4MSD5V9543A Features

* 1-of-2 bidirectional translating multiplexer

* I2C-bus interface logic

* Operating power supply voltage:1.65 V to 5.5 V

* Allows voltage level translation between 1.2V, 1.8V,2.5 V, 3.3 V and 5 V buses

* Low standby current

* Low Ron switches

* Channel selection via I2C