Low-voltage 8-bit IC-bus/SMBus I/O expander with interrupt, reset and agile I/O configuration 16-X2QFN -40 to 125
Texas Instruments
Texas Instruments - PTCAL9538DTUR
$1.37
Texas Instruments - PTCAL9538RSVR
Texas Instruments - TCAL9538RSVR
Texas Instruments - TCAL9538DTUR
$1.37 - $1.80
Texas Instruments - TCAL9538PWR