| Manufacturer | Part Number | Description |
|---|---|---|
National Semiconductor |
DM74LS260 | Dual 5-Input NOR Gate |
|
National Semiconductor |
DM74LS265A | Hex TRI-STATE Buffers |
|
National Semiconductor |
DM74LS266 | QUAD 2-INPUT EXCLUSIVE-NOR GATE |
Fairchild |
DM74LS266 | Quad 2-Input Exclusive-NOR Gate |
|
Fairchild |
DM74LS26 | Quad 2-Input NAND Gate |