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| PartNumber | DS1673E-3+T\u0026R | DS1673E-3+T | DS1673E-3+TR |
| Description | Real Time Clock Portable System Controller | ||
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Real Time Clock | Clock/Timing - Real Time Clocks | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-20 | - | - |
| RTC Bus Interface | Serial, 3-Wire | Serial 3-Wire | - |
| Date Format | DW:DM:M:Y | YY-MM-DD-dd | - |
| Time Format | HH:MM:SS | HH:MM:SS (12/24 hr) | - |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| Supply Voltage Max | 3.3 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Reel | Tape & Reel (TR) Alternate Packaging | - |
| Function | Alarm, Calendar, Clock, NV SRAM Control, Watchdog Timekeeper | Alarm Calendar Clock NV SRAM Control Watchdog Timekeeper | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1673E | DS1673E | - |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 90-1673E+3TR DS1673E | 90-1673E+3TR DS1673E | - |
| Unit Weight | 0.006737 oz | 0.006737 oz | - |
| Type | - | Portable System Controller | - |
| Package Case | - | TSSOP-20 | - |
| Operating Temperature | - | 0°C ~ 70°C | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | Alarm, Leap Year, Watchdog Timer | - |
| Interface | - | 3-Wire Serial | - |
| Voltage Supply | - | 2.7 V ~ 3.3 V | - |
| Supplier Device Package | - | 20-TSSOP | - |
| Memory Size | - | - | - |
| Voltage Supply Battery | - | 2.5 V ~ 3.7 V | - |
| Current Timekeeping Max | - | 100μA @ 3V | - |
| Supply Voltage Max | - | 3.3 V | - |
| Supply Voltage Min | - | 2.7 V | - |