I2C/SMBus GPIO Expander 5.5V 20-Pin SSOP Bulk
PCA9554/PCA9554A - 8-bit I²C-bus and SMBus I/O port with interrupt SSOP2 20-Pin
8-Channel I2C/SMBus I/O Expander, SSOP20, -40°C to 85°C, Lead Free
