| PartNumber | DS1307ZN+T\u0026R | DS1307Z+T\u0026R | DS1307ZN+ |
| Description | Real Time Clock 64x8 Serial I2C RTC | Real Time Clock 64x8 Serial I2C RTC | Real Time Clock 64x8 Serial I2C RTC |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SO-8 | SOIC-8 |
| RTC Bus Interface | Serial, I2C | Serial, I2C | Serial, I2C |
| Date Format | DW:DM:M:Y | YY-MM-DD | YY-MM-DD |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 56 B | 56 B | 56 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Packaging | Reel | Reel | Tube |
| Function | Calendar, Clock | Calendar, Clock | Calendar, Clock |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | DS1307ZN | DS1307Z | DS1307ZN |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Operating Supply Current | 1.5 mA | 1.5 mA | 1.5 mA |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 2500 | 2500 | 100 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1307Z+NTR DS1307ZN | 90-1307Z+TR0 DS1307Z | 90-1307Z+N00 DS1307ZN |
| Unit Weight | 0.019048 oz | 0.017870 oz | 0.019048 oz |
| Battery Backup Switching | - | Backup Switching | - |