PCAL9554B; PCAL9554C - Low-voltage 8-bit I²C-bus and SMBus low power I/O port with interrupt, weak pull-up and Agile I/O TSSOP 16-Pin
8 I/O, PIA-GENERAL PURPOSE, PDSO16, 4.40 MM, PLASTIC, MO-153, SOT403-1, TSSOP-16