3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-SSOP -40 to 85
Texas Instruments
Texas Instruments - SN65C3221DB
$1.35 - $3.22
Texas Instruments - SN65C3221PW
$0.89 - $11.62
Texas Instruments - SN65C3221
$0.89 - $30.25
Texas Instruments - SN65C3221PWRG4
[no prices available]
Texas Instruments - SN65C3221DBRE4
$1.05 - $1.14
Texas Instruments - SN65C3221PWR
$1.03 - $2.78