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| PartNumber | DS1672U-2+ | DS1672U-3+ | DS1672U-2 |
| Description | Real Time Clock I2C 32-Bit Binary Counter RTC | Real Time Clock I2C 32-Bit Binary Counter RTC | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | uSOP | uSOP | uSOP |
| RTC Bus Interface | Serial | Serial | Serial |
| Time Format | Binary | Binary | Binary |
| Supply Voltage Max | 2.2 V | 3.3 V | 2.2 V |
| Supply Voltage Min | 1.8 V | 2.7 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | - |
| Function | Calendar, Clock, Elapsed Time Counter | Calendar, Clock, Elapsed Time Counter | Calendar, Clock, Elapsed Time Counter |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1672U | DS1672U | DS1672U |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1672U+002 DS1672U | 90-1672U+003 DS1672U | DS1672U |