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| Part Number | DS1689SN | DS1689SN+ | DS1689S | DS1689S+ |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | NVSRAM | NVSRAM | NVSRAM | NVSRAM |
| Memory Size | 114B | 114B | 114B | 114B |
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | Parallel | Parallel | Parallel | Parallel |
| Voltage - Supply | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.7V ~ 3.3V, 4.5V ~ 5.5V |
| Voltage - Supply, Battery | 2.5V ~ 3.7V | 2.5V ~ 3.7V | 2.5V ~ 3.7V | 2.5V ~ 3.7V |
| Current - Timekeeping (Max) | 2mA @ 3V, 3mA @ 5V | 2mA @ 3V, 3mA @ 5V | 2mA @ 3V, 3mA @ 5V | 2mA @ 3V, 3mA @ 5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-SOIC (0.337", 8.56mm Width) | 28-SOIC (0.337", 8.56mm Width) | 28-SOIC (0.337", 8.56mm Width) | 28-SOIC (0.337", 8.56mm Width) |
| Supplier Device Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
