DS78C120
Dual CMOS Compatible Differential Line Receiver (National Semiconductor)
DS7800
Dual Voltage Level Translator (National Semiconductor)
DS7810
(DS7810 - DS7812) Quad 2-Input TTL MOS Interface Gate (National Semiconductor)
DS7811
(DS7810 - DS7812) Quad 2-Input TTL MOS Interface Gate (National Semiconductor)
DS7812
(DS7810 - DS7812) Hex TTL MOS Inverter (National Semiconductor)
DS7820
Dual Line Receiver (National Semiconductor)
DS7820A
Dual Line Receiver (National Semiconductor)
DS7830
Dual Differential Line Driver (National Semiconductor)
DS7831
Dual TRI-STATE Line Driver (National Semiconductor)
DS7831
Dual TRI-STATE Line Driver (National Semiconductor)