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| Part Number | DS1672S-3 | DS1672U-3 | DS1672S-33 | DS1673S-3 | DS1672S-3+ | DS1672-3 | DS1672S-2 |
|---|---|---|---|---|---|---|---|
| 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 | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Type | Binary Counter | Binary Counter | Binary Counter | Portable System Controller | Binary Counter | Binary Counter | Binary Counter |
| Features | Trickle-Charger | Trickle-Charger | Trickle-Charger | Alarm, Leap Year, Watchdog Timer | Trickle-Charger | Trickle-Charger | Trickle-Charger |
| Memory Size | - | - | - | - | - | - | - |
| Time Format | Binary | Binary | Binary | HH:MM:SS (12/24 hr) | Binary | Binary | Binary |
| Date Format | Binary | Binary | Binary | YY-MM-DD-dd | Binary | Binary | Binary |
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial | 3-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Voltage - Supply | 2.7V ~ 3.3V | 2.7V ~ 3.3V | 2.97V ~ 3.63V | 2.7V ~ 3.3V | 2.7V ~ 3.3V | 2.7V ~ 3.3V | 1.8V ~ 2.2V |
| Voltage - Supply, Battery | 1.3V ~ 3.63V | 1.3V ~ 3.63V | 1.3V ~ 3.63V | 2.5V ~ 3.7V | 1.3V ~ 3.63V | 1.3V ~ 3.63V | 1.3V ~ 3.63V |
| Current - Timekeeping (Max) | 500µA @ 3.3V | 500µA @ 3.3V | 500µA @ 3.63V | 100µA @ 3V | 500µA @ 3.3V | 500µA @ 3.3V | 500µA @ 2.2V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-SOIC (0.154", 3.90mm Width) | 20-SOIC (0.295", 7.50mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-uMAX/uSOP | 8-SOIC | 20-SOIC | 8-SOIC | 8-PDIP | 8-SOIC |
