DS1644 시리즈
| 제조업체 부품# | 설명 | 제조업체 | 재고 | 운영 |
| DS1644-120 | IC RTC CLK/CALENDAR PAR 28-EDIP | Analog Devices Inc./Maxim Integrated | 2391 |
|
| DS1644P-120 | IC RTC CLK/CALENDAR PAR 34-PCM | Analog Devices Inc./Maxim Integrated | 4806 |
|
| DS1644-120+ | IC RTC CLK/CALENDAR PAR 28-EDIP | Analog Devices Inc./Maxim Integrated | 7024 |
|
| DS1644P-120+ | IC RTC CLK/CALENDAR PAR 34-PCM | Analog Devices Inc./Maxim Integrated | 2995 |
|