ICL3232CVZIC TXRX DL RS232 3-5.5V 16TSSOP|INTERSIL|Lead free|RoHS Compliant ST3232EBTR ST3232ECTR SN75C3232PW ICL3232CVZ-TIC 2DRVR/2RCVR RS232 3V 16-TSSOP|INTERSIL|Lead free|RoHS Compliant MAX3232CPWR MAX3232CPWR SN75C3232PWRE4