DS78C20/DS88C20 (RS-422/423 LINE DRIVERS AND RECEIVERS) Dual CMOS Compatible Differential Line Receiver +-----------+ -INPUT |1 +--+ 14| VCC TERMINATION |2 13| -INPUT +INPUT |3 12| TERMINATION STROBE |4 DS78 11| +INPUT RESPONSE TIME |5 C20 10| STROBE OUTPUT |6 9| RESPONSE TIME GND |7 8| OUTPUT +-----------+