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| Part Number | DS1677E | DS1677E+ | DS1670E |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Obsolete | Obsolete |
| Type | Portable System Controller | Portable System Controller | Portable System Controller |
| Features | Alarm, Leap Year, Watchdog Timer | Alarm, Leap Year, Watchdog Timer | Alarm, Leap Year, Watchdog Timer |
| Memory Size | - | - | - |
| Time Format | 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 |
| Interface | 3-Wire Serial | 3-Wire Serial | 3-Wire Serial |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 2.97V ~ 3.63V |
| Voltage - Supply, Battery | 2.5V ~ 3.7V | 2.5V ~ 3.7V | 2.5V ~ 3.7V |
| Current - Timekeeping (Max) | 300µA @ 5V | 300µA @ 5V | 100µA @ 3.3V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP | 20-TSSOP | 20-TSSOP |
