| PartNumber | DS1689S | DS1689 | DS1689S-TRL |
| Description | Real Time Clock | Real Time Clock | IC RTC CLK/CALENDAR PAR 28-SOIC |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SOIC-28 | PDIP-28 | - |
| RTC Bus Interface | Multiplexed | Multiplexed | - |
| Date Format | YY-MM-DD-dd, Binary | YY-MM-DD-dd, Binary | - |
| Time Format | HH:MM:SS, Binary | HH:MM:SS, Binary | - |
| RTC Memory Size | 114 B | 114 B | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Function | Calendar, Clock, NV SRAM Control | Calendar, Clock, NV SRAM Control | - |
| Series | DS1689S | DS1689 | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Real Time Clocks | Real Time Clocks | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Unit Weight | 0.078125 oz | 0.147798 oz | - |