CAT9534 - 8-Bit I2C and Smbus I/O Port with Interrupt
onsemi
onsemi - CAT9534HV4I-GT2
* $1.49 - $5.47
onsemi - CAT9534WI-GT2
* $1.41 - $1.69
onsemi - CAT9534WI-G
$1.08 - $1.81