SP3243EUCA-LIC TXRX RS232 INTELLIGENT 28SSOP|EXAR CORPORATION|Lead free|RoHS Compliant SN65C3243DBR ICL3245CAZ ICL3245ECAZ ICL3245ECAZ-T ICL3245EIAZ ICL3245EIAZ-T MAX3244ECAI+ MAX3245ECAI+ SN75C3243DBRG4 TRSF3243CDB