ICL3227EIAZAIC TXRX SGL RS232 3-5.5V 16SSOP|INTERSIL|Lead free|RoHS Compliant MAX3227EEAE+ SN65C3221DBE4 TRSF3221IDB ICL3227EIAZA-TIC 1DRVR/1RCVR RS232 3V 16-SSOP|INTERSIL|Lead free|RoHS Compliant MAX3227EEAE+T SN65C3221DBRG4 TRSF3221EIDBRG4 TRSF3221IDBR