ST3243ECDRIC TRANSCEIVER 5.5V RS232 28TSSO|STMICROELECTRONICS|Lead free|RoHS Compliant ICL3243ECBZ ST3243ECDRIC TRANSCEIVER 5.5V RS232 28TSSO|STMICROELECTRONICS (VA)|Lead free|RoHS Compliant ICL3243CBZ-T ICL3243ECBZ-T SP3243EBCT-L/TR SP3243EBET-L/TR