Part Number : PCA9548APW
Function :4-CHANNEL I2C AND SMBus MULTIPLEXER
Manufacturer : Texas Instruments
Pinout : 
Description
The PCA9548A has eight bidirectional translating switches that can be controlled via 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 programmable control register.
* 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 Deselected
Datasheet PDF Download
Other datasheets in the file : PCA9548A,PCA9548ADB,PCA9548ADBG4,PCA9548ADBR,PCA9548ADBRG4