ICL3224ECAZIC 2DRVR/2RCVR RS232 3V 20-SSOP|INTERSIL|Lead free|RoHS Compliant MAX3223ECDB TRS3223ECDB ICL3224ECAZ-TIC 2DRVR/2RCVR RS232 3V 20-SSOP|INTERSIL|Lead free|RoHS Compliant MAX3223ECDBR TRS3223ECDBR