PCA9557PW – Philips Posted on August 5, 2020August 5, 2016 by Diode Part number : PCA9557PW Functions : 8-bit I2C and SMBus I/0 port with reset Manufacturer : Philips Semiconductors Information related to components PCA9557PW - - Nxp PDF PCA9557 - - Nxp - PDF