QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps, RS-232 Transmitters/ReceiversQFN封装, +/- 15kV ESD保护, + 2.7V至+ 5.5V , 10Nanoamp , 250kbps的, RS - 232发射器/接收器