| Компонент | Описание | Производитель | |
| IN74HC21A | Dual 4-Input AND Gate |
IK Semicon Co., Ltd |
|
| IN74HC21A | Dual 4-Input AND Gate |
Integral Corp. |
|
| IN74HC21AD | Dual 4-Input AND Gate |
Integral Corp. |
|
| IN74HC21AD | Dual 4-Input AND Gate |
IK Semicon Co., Ltd |
|
| IN74HC21AN | Dual 4-Input AND Gate |
IK Semicon Co., Ltd |
|
| IN74HC21AN | Dual 4-Input AND Gate |
Integral Corp. |