RS-232 Bus Transceiver, 5RX/3TX, 500Kbps, 2.7-5.5V, QFN
32-Pin Industrial Quad Line Transceiver, 2.7V to 5.5V, 5x5mm HVQCCN
5V 1mA Surface Mount Bus Transceiver
QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10nA, 250kbps, RS-232 Transmitters/Receivers