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| PartNumber | DS1687-3IND+ | DS1687-3+ | DS1687-3IND |
| Description | Real Time Clock 3V/5V RTC | Real Time Clock 3V/5V RTC | Real Time Clock 3V/5V RTC |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | EDIP-24 | EDIP-24 | eDIP |
| RTC Bus Interface | Multiplexed | Multiplexed | Multiplexed |
| Date Format | YYYY-MM-DD | YYYY-MM-DD | YY-MM-DD-dd, Binary |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS, Binary |
| RTC Memory Size | 242 B | 242 B | 242 B |
| Supply Voltage Max | 3.7 V | 3.7 V | 3.7 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Function | Alarm, Calendar, Clock | Alarm, Calendar, Clock | Alarm, Calendar, Clock |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | DS1687 | DS1687 | DS1687 |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Operating Supply Current | 5 mA | 5 mA | - |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 14 | 14 | 14 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-16870+03I DS1687 | 90-16870+003 DS1687 | DS1687 |