DM54173J и другие
| Компонент | Описание | Производитель | |
| DM54173J | TRI-STATE Quad Registers |
National Semiconductor |
 |
| DM54173J/883 | 4-Bit TRI-STATE D Register |
National Semiconductor |
|
| DM54173W | TRI-STATE Quad Registers |
National Semiconductor |
|