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| Part Number | DS1687-3+ | DS1687-5+ | DS1685-3+ | DS1687-3 |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Obsolete | Obsolete |
| Type | 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 |
| Memory Size | 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) |
| 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 ~ 3.7V | 4.5V ~ 5.5V | 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 |
| Current - Timekeeping (Max) | 2mA @ 3V | 3mA @ 5V | 2mA @ 3V | 2mA @ 3V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 24-DIP Module (0.600", 15.24mm) | 24-DIP Module (0.600", 15.24mm) | 24-DIP (0.600", 15.24mm) | 24-DIP Module (0.600", 15.24mm) |
| Supplier Device Package | 24-EDIP | 24-EDIP | 24-PDIP | 24-EDIP |
