PCA9548A Datasheet - Texas Instruments

PCA9548A Low Voltage 8-Channel I2C Switch

The PCA9548A device has eight bidirectional translating switches that can be controlled through the I2C bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the progra.

PCA9548A Features

* 1-of-8 Bidirectional Translating Switches

* I2C Bus and SMBus Compatible

* Active-Low Reset Input

* Three Hardware Address Pins for Use of up to Eight PCA9548A Devices on the I2C Bus

* Channel Selection Via I2C Bus

* Power-Up with All Switch Channels

PCA9548A Datasheet (2.99 MB)