HD74LS21P и другие
| Компонент | Описание | Производитель | |
| GD74LS21 | DUAL 4-INPUT POSITIVE AND GATES |
List of Unclassifed Manufacturers |
 |
| HD74LS21 | Dual 4-input Positive AND Gates |
Hitachi Semiconductor |
|
| HD74LS21 | Dual 4-input Positive AND Gates |
Renesas Technology Corp |
|
| HD74LS21FPEL | Dual 4-input Positive AND Gates |
Renesas Technology Corp |
|
| HD74LS21P | Dual 4-input Positive AND Gates |
Renesas Technology Corp |
|