TRSF3243IPWRIC DVR/RCVR RS232 ESD 28TSSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MAX3245EEUI+T TRSF3243IPWRG4IC DVR/RCVR RS232 ESD 28TSSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MAX3245EEUI+T