TRS3237E - 3V to 5.5V Multichannel RS-232 1-MBit/s Line Driver/Receiver
Texas Instruments
Texas Instruments - TRS3237ECDB
$1.62 - $2.64
Texas Instruments - TRS3237E
$1.23 - $3.55
Texas Instruments - TRS3237EIDBR
$1.36 - $3.00
Texas Instruments - TRS3237EIDWR
$1.31 - $2.79
Texas Instruments - TRS3237ECDW
$1.32 - * $1.73
Texas Instruments - TRS3237ECDWR
$1.23 - $2.66