IC I/O EXPANDER I2C 8B 16SSOP
PCA9554 Series 8-bit I2C-bus and SMBus I/O port w/ Interrupt - SOIC-16
PCA9555 - 16-bit I2C-bus and SMBus I/O port with interrupt SSOP2 24-Pin
8-Channel I2C/SMBus I/O Expander, 400kHz, SSOP-16 Package
