TRS3238 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV ESD (HBM) Protection
Texas Instruments
Texas Instruments - TRS3238
$1.37 - $2.97
Texas Instruments - TRS3238IPWR
$1.14 - $3.70
Texas Instruments - TRS3238CPWR
$1.00 - $2.60