+-15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown+ -15kV的ESD保护, + 3V至+ 5.5V , 1Microamp ,为1Mbps , RS - 232收发器,具有增强的自动关闭电源