 |  |  | |
| PartNumber | DS1231S-35+ | DS1231S-35+T\u0026R | DS1231S-35+TR |
| Description | Supervisory Circuits Power Monitor | Supervisory Circuits Power Monitor | |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Supervisory Circuits | Supervisory Circuits | - |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | - |
| Package / Case | SOIC-16 | SOIC-Wide-16 | - |
| Threshold Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Output Type | Active Low, Open Drain | Active High, Active Low, Open Drain | - |
| Manual Reset | Manual Reset | No Manual Reset | - |
| Watchdog Timers | No Watchdog | No Watchdog | - |
| Battery Backup Switching | No Backup | No Backup | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | DS1231S | DS1231S | - |
| Packaging | Tube | Reel | - |
| Height | 2.35 mm (Max) | 2.35 mm (Max) | - |
| Length | 10.5 mm (Max) | 10.5 mm (Max) | - |
| Width | 7.6 mm (Max) | 7.6 mm (Max) | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Overvoltage Threshold | 4.74 V | 4.74 V | - |
| Undervoltage Threshold | 4.5 V | 4.5 V | - |
| Chip Enable Signals | No Chip Enable | No Chip Enable | - |
| Operating Supply Current | 2 mA | 2 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Power Fail Detection | Yes | Yes | - |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 46 | 1000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Part # Aliases | 90-1231S+350 DS1231S | 90-1231S+3TR DS1231S | - |
| Unit Weight | 0.023492 oz | 0.016709 oz | - |