Remote 4-Bit I²C and SMBus I/O expander with configuration register and interrupt 8-X2SON -40 to 125
Texas Instruments
Texas Instruments - PTCA9536ADTMR
$1.11
Texas Instruments - PTCA9536BDTMR
Texas Instruments - PTCA9536DGKR
Texas Instruments - TCA9536DGKR
$1.11 - $1.41
Texas Instruments - TCA9536ADTMR
Texas Instruments - TCA9536DTMR