PCA9547 Datasheet - NXP

8-Channel I2C Bus Multiplexer

PCA9547 Features

* 1-of-8 bidirectional translating multiplexer

* I2C-bus 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, one channel at a time

* Power-up with all channels dese

PCA9547 General Description

The PCA9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Only one SCx/SDx channel can be selected at a time, determined by the contents of the programmable control register. The device powers u.

PCA9547 Datasheet (250.26 KB)