PCAL9554B; PCAL9554C - Low-voltage 8-bit I²C-bus and SMBus low power I/O port with interrupt, weak pull-up and Agile I/O QFN 16-Pin
8-Channel I2C/SMBus I/O Expander, 5.5V, 200mW, VQCCN-16
8-Channel I2C I/O Expander, 400kHz, 1.65V-5.5V, Surface Mount, -40°C to 85°C
