PI4MSD5V9543B Datasheet (Pericom Semiconductor)

PI4MSD5V9543B, 2 Channel I2C bus switch

Pin No Pin Name Type Description 1 A0 Input address input 0 2 A1 Input address input 1 TSSOP14 SOP14 Description The PI4MSD5V9543B is a bidirectional translating switch, controlled by the I2C bus.

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

Any individual SCx/SDx

PI4MSD5V9543B 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