PCA9546 Datasheet (NXP) - 4-channel I2C switch with reset

PCA9546, 4-channel I2C switch with reset

The PCA9546 is a quad bi-directional translating switch controlled by the I2C-bus.

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

Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable Control Register.

PCA9546 Features

* 1-of-4 bi-directional translating switches

* I2C interface logic; compatible with SMBus standards

* Active LOW Reset Input

* 3 address pins allowing up to 8 devices on the I2C-bus

* Channel selection via I2C-bus, in any combination

* Power

* u