54F20DC и другие
| Компонент | Описание | Производитель | |
| 54F20DC | Dual 4-Input NAND Gate |
National Semiconductor |
 |
| 54F20DM | Dual 4-Input NAND Gate |
National Semiconductor |
|
| MC74F20D | Dual 4-input nand gate |
Motorola, Inc |
|
| N74F20D | Dual 4-input NAND gate |
NXP Semiconductors |
|
| SN74F20D | DUAL 4-INPUT POSITIVE-NAND GATES |
Texas Instruments |
|
| SN74F20DR | DUAL 4-INPUT POSITIVE-NAND GATES |
Texas Instruments |
|
| SN74F20DR | DUAL 4-INPUT POSITIVE-NAND GATES |
Texas Instruments |
|
| SN74F20DR | DUAL 4-INPUT POSITIVE-NAND GATES |
Texas Instruments |
|