| Компонент | Описание | Производитель | |
| HD74LS20 | Ouadruple 2-input Positive NAND Gates |
Hitachi Semiconductor |
|
| HD74LS20 | Dual 4-input Positive NAND Gates |
Renesas Technology Corp |
|
| HD74LS20 | Dual 4-input Positive NAND Gates |
Hitachi Semiconductor |
|
| HD74LS20FPEL | Dual 4-input Positive NAND Gates |
Renesas Technology Corp |
|
| HD74LS20P | Dual 4-input Positive NAND Gates |
Renesas Technology Corp |
|
| HD74LS20RPEL | Dual 4-input Positive NAND Gates |
Renesas Technology Corp |