PCA9501 8-bit I2C-bus and SMBus I/O port with int.
NXP
PCA9501 - 8-bit I2C and SMBus I/O port
PCA9501 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins Rev. 04 — 10 February 2009 Product data sheet 1. General.
