 |  |  | |
| PartNumber | DS1306E+ | DS1306+ | DS1306E+T |
| Description | Real Time Clock Serial Alarm RTC 3-Wire | Real Time Clock Serial Alarm RTC 3-Wire | |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | TSSOP-20 | DIP-16 | - |
| RTC Bus Interface | Serial, 3-Wire, SPI | Serial, 3-Wire, SPI | Serial |
| Date Format | YY-MM-DD | YY-MM-DD | YY-MM-DD-dd |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS (12/24 hr) |
| RTC Memory Size | 96 B | 96 B | 96 B |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | Tube | Digi-ReelR Alternate Packaging |
| Function | Alarm, Calendar, Clock | Alarm, Calendar, Clock | Alarm Calendar Clock |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | DS1306E | DS1306 | DS1306E |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Operating Supply Current | 1.28 mA | 1.28 mA | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 74 | 25 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 90-1306E+000 DS1306E | 90-13060+000 DS1306 | 90-1306E+TRL DS1306E |
| Unit Weight | 0.006737 oz | 0.057419 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 |
| 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 |