| Компонент | Описание | Производитель | |
| ISL12020MIRZ | Low Power RTC with Battery Backed SRAM, Integrated a5ppm Temperature Compensation and Auto Daylight Saving |
Intersil Corporation |
|
| ISL12020MIRZ-T | Low Power RTC with Battery Backed SRAM, Integrated a5ppm Temperature Compensation and Auto Daylight Saving |
Intersil Corporation |