ICL3222CPZ

1微安电源电流， + 3V至+ 5.5V ， 250kbps的， RS - 232发射器/接收器 One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers

2/2 Transceiver Full RS232 18-PDIP

得捷:
IC TRANSCEIVER FULL 2/2 18DIP

艾睿:
Dual Transmitter/Receiver RS-232 18-Pin PDIP

Verical:
Line Transmitter/Receiver 2TR 2TX 2RX 18-Pin PDIP

罗切斯特:
Dual Transmitter/Receiver RS-232 18-Pin PDIP