54ACT821SD и другие
| Компонент | Описание | Производитель | |
| 54ACT821SD | 10-Bit D Flip-Flop with TRI-STATE Outputs |
National Semiconductor |
 |
| 74ACT821SC | 10-Bit D-Type Flip-Flop with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74ACT821SCX | 10-Bit D-Type Flip-Flop with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74ACT821SPC | 10-Bit D-Type Flip-Flop with 3-STATE Outputs |
Fairchild Semiconductor |
|