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| Part Number | DS1685SN-3+ | DS1685SN-5+ | DS1685EN-3+ | DS1685QN-3+ | DS1685S-3+ | DS1685SN-3 |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active | Active | Obsolete |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, NVSRAM, Square Wave Output, Y2K | Alarm, NVSRAM, Square Wave Output, Y2K | Alarm, NVSRAM, Square Wave Output, Y2K | Alarm, NVSRAM, Square Wave Output, Y2K | Alarm, NVSRAM, Square Wave Output, Y2K | Alarm, NVSRAM, Square Wave Output, Y2K |
| Memory Size | 242B | 242B | 242B | 242B | 242B | 242B |
| 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) | 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 | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel |
| Voltage - Supply | 2.7V ~ 3.7V | 4.5V ~ 5.5V | 2.7V ~ 3.7V | 2.7V ~ 3.7V | 2.7V ~ 3.7V | 2.7V ~ 3.7V |
| Voltage - Supply, Battery | 2.5V ~ 3.7V | 2.5V ~ 3.7V | 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 | 2mA @ 3V | 2mA @ 3V | 2mA @ 3V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 28-LCC (J-Lead) | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC | 24-SOIC | 24-TSSOP | 28-PLCC (11.51x11.51) | 24-SOIC | 24-SOIC |
