+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers+ 5kV的ESD保护, + 3.0V至+ 5.5V , 10nA的, RS - 232 / RS - 485 / RS - 422多协议收发器