DS1643-100 и другие
| Компонент | Описание | Производитель | |
| DS1643-100 | Nonvolatile Timekeeping RAM |
Dallas Semiconductor |
 |
| DS1643-100 | Nonvolatile Timekeeping RAMs |
Maxim Integrated Products |
|
| DS1643-100 | Nonvolatile Timekeeping RAMs |
Maxim Integrated Products |
|
| DS1643-100+ | Nonvolatile Timekeeping RAMs |
Maxim Integrated Products |
|
| DS1643_10 | Nonvolatile Timekeeping RAMs |
Maxim Integrated Products |
|