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| PartNumber | DS1306E+T\u0026R | DS1306E+T | DS1306E+TR |
| Description | Real Time Clock Serial Alarm RTC 3-Wire | ||
| 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 | Serial | - |
| Time Format | HH:MM:SS | HH:MM:SS (12/24 hr) | - |
| RTC Memory Size | 96 B | 96 B | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2 V | - | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | - |
| Function | Alarm, Calendar, Clock | Alarm Calendar Clock | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1306E | DS1306E | - |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 90-1306E+TRL DS1306E | 90-1306E+TRL DS1306E | - |
| Unit Weight | 0.006737 oz | 0.006737 oz | - |
| Type | - | Clock/Calendar | - |
| Package Case | - | TSSOP-20 | - |
| Operating Temperature | - | 0°C ~ 70°C | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | - |
| Interface | - | SPI | - |
| Voltage Supply | - | 2 V ~ 5.5 V | - |
| Supplier Device Package | - | 20-TSSOP | - |
| Memory Size | - | 96B | - |
| Date Format | - | YY-MM-DD-dd | - |
| Voltage Supply Battery | - | 2 V ~ 5.5 V | - |
| Current Timekeeping Max | - | 25.3μA ~ 81μA @ 2V ~ 5V | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2 V | - |