MAX3237ECDBRIC TXRX RS232 1MBPS LP 28-SSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MAX3237ECAI+T MAX3237EEAI+T MAX3237ECDBRG4IC TXRX RS232 1MBPS LP 28-SSOP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MAX3237ECAI+T MAX3237EEAI+T