MAX3243EIDWRIC RS232 3V-5.5V DRVR 28-SOIC|TEXAS INSTRUMENTS (VA)|Lead free|RoHS Compliant SP3243EBET-L/TR MAX3243EIDWRIC RS232 3V-5.5V DRVR 28-SOIC|TEXAS INSTRUMENTS (VA)|Lead free|RoHS Compliant MAX3244EEWI+T SP3243EBET-L/TR