PCA9555 Datasheet, Features, Application

PCA9555 - 16-bit I2C-bus and SMBus I/O port

PCA9555 - Low-voltage 16-bit I2C-bus I/O port

PCA9555A - Low-voltage 16-bit I2C-bus I/O port

PCA9555 - Remote 16-bit I2C and SMBus I/O Expander