54F399DM и другие
| Компонент | Описание | Производитель | |
| 54F399DM | Quad 2-Port Register |
National Semiconductor |
 |
| 54F399DMQB | Quad 2-Port Register |
National Semiconductor |
|
| MC74F399D | Quad 2-port register |
Motorola, Inc |
|
| N74F399D | Registers |
NXP Semiconductors |
|