| PartNumber | DS1685SN-3+ | DS1685SN-5+ | DS1685SN-3 |
| Description | Real Time Clock 3V/5V RTC | Real Time Clock 3V/5V 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 | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-24 | SOIC-24 | SOIC-24 |
| RTC Bus Interface | Multiplexed | Multiplexed | Multiplexed |
| Date Format | YY-MM-DD-dd, Binary | YY-MM-DD-dd, Binary | YY-MM-DD-dd, Binary |
| Time Format | HH:MM:SS, Binary | HH:MM:SS, Binary | HH:MM:SS, Binary |
| RTC Memory Size | 242 B | 242 B | 242 B |
| Supply Voltage Max | 3.7 V | 5.5 V | 3.7 V |
| Supply Voltage Min | 2.7 V | 4.5 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | - |
| Function | Alarm, Calendar, Clock | Alarm, Calendar, Clock | Alarm, Calendar, Clock |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1685SN | DS1685SN | DS1685SN |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 30 | 30 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1685S+N03 DS1685SN | 90-1685S+N05 DS1685SN | DS1685SN |
| Unit Weight | 0.038731 oz | 0.038731 oz | 0.038731 oz |