name: MAX3222CPN function: RS-232 Transceiver package: DIP,18 manufacturer: Maxim added-by: Alex Zack +--()--+ /EN | 1 18| /SHDN C1+ | 2 17| Vcc V+ | 3 16| GND C1- | 4 15| T1OUT C2+ | 5 14| R1IN C2- | 6 13| R1OUT V- | 7 12| T1IN T2OUT | 8 11| T2IN R2IN | 9 10| R2OUT +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/