DM7420
Dual 4-Input NAND Gate (Fairchild Semiconductor)
DM7420
Dual 4-Input NAND Gates (National Semiconductor)
DM7425
Dual 4-Input NOR Gate (National Semiconductor)
DM74251
1 of 8 Line Data Selectors / Multiplexers (National Semiconductor)
DM74253
Dual 1 to 4 Line Data Selectors / Multiplexers (National Semiconductor)
DM74259
8-Bit Addressable Latches (National Semiconductor)
DM7426
Quad 2-Input NAND Gates with High Voltage Open-Collector Outputs (Fairchild Semiconductor)
DM7427
DM7427 Triple 3-Input NOR Gates (National Semiconductor)
DM74279
Quad Set-Reset Latch (National Semiconductor)
DM74283
4-Bit Binary Full Adder (with Fast Carry) (National Semiconductor)