DM7820
dual line receiver (National Semiconductor)
DM7820A
dual line receiver (National Semiconductor)
DM7820HR
Versatile High Speed Digital I/O (RTD)
DM7822
dual line receiver (National Semiconductor)
DM7800
Dual Voltage Translator (National Semiconductor)
DM7802
high speed MOS to TTL level converters (National Semiconductor)
DM7806
high speed MOS to TTL level converters (National Semiconductor)
DM7810
quad 2-input TTL-MOS interface gate (National Semiconductor)
DM7811
quad 2-input TTL-MOS interface gate (National Semiconductor)
DM7812
TTL-MOS hex inverter (National Semiconductor)