Part Number : PCA9548APW
Function :8-channel I2C-bus switch with reset
Manufacturer : NXP Semiconductors.
Pinout : 
Description
The PCA9548A is an octal bidirectional translating switch 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.
Datasheet PDF Download
Other datasheets in the file : PCA9548A, PCA9548ABS, PCA9548ABS,118, PCA9548ABSHP, PCA9548AD