TRSF3223IDBRIC DVR/RCVR RS232 ESD 20SSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant TRSF3223EIDBR TRSF3223EIDBR TRSF3223IDBRG4IC DVR/RCVR RS232 ESD 20SSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant TRSF3223EIDBRG4