DS78C120/DS88C120 (RS-422/423 LINE DRIVERS AND RECEIVERS) Dual CMOS Compatible Differential Line Receiver +-----------+ OFFSET FAIL-SAFE |1 +--+ 16| VCC -INPUT |2 15| FAIL-SAFE OFFSET TERMINATION |3 14| -INPUT +INPUT |4 DS78 13| TERMINATION STROBE |5 C120 12| +INPUT RESPONSE TIME |6 11| STROBE OUTPUT |7 10| RESPONSE TIME GND |8 9| OUTPUT +-----------+