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| PartNumber | DS1831S+T\u0026R | DS1831S+ | DS1831S+T |
| Description | Supervisory Circuits 3.3/5V Multisupply MicroMonitor | Supervisory Circuits 3.3/5V Multisupply MicroMonitor | |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | Multi-Voltage Supervisor |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-16 | SOIC-16 | - |
| Threshold Voltage | 3 V, 3.3 V, 5 V | 3 V, 3.3 V, 5 V | 3 V 3.3 V 5 V |
| Number of Inputs Monitored | 2 Input | 4 Input | 2 Input |
| Output Type | Active Low, Open Drain | Active Low, Open Drain | Active Low Open Drain |
| Manual Reset | Manual Reset | Manual Reset | Manual Reset |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 2000 ms | 2000 ms | 2000 ms |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | DS1831S | DS1831S | MicroMonitor |
| Packaging | Reel | Tube | Tape & Reel (TR) Alternate Packaging |
| Height | 1.5 mm (Max) | 1.5 mm (Max) | - |
| Length | 10 mm (Max) | 10 mm (Max) | - |
| Width | 4 mm (Max) | 4 mm (Max) | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Overvoltage Threshold | 4.75 V, 3.15 V | 4.75 V, 3.15 V | 4.75 V 3.15 V |
| Undervoltage Threshold | 4.5 V, 2.98 V | 4.5 V, 2.98 V | 4.5 V 2.98 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 100 uA | 100 uA | 100 uA |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 2500 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 1 V | 3.3 V | - |
| Part # Aliases | 90-18310+ST0 DS1831S | 90-18310+S00 DS1831S | 90-18310+ST0 DS1831S |
| Unit Weight | 0.023492 oz | 0.023492 oz | 0.023492 oz |
| Package Case | - | - | SOIC-16 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | 16-SOIC |
| Output | - | - | Open Drain or Open Collector |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | 4 |
| Reset Timeout | - | - | 10 ms; 100 ms; 1,000 ms Minimum |
| Voltage Threshold | - | - | 3.3V, 5V, Adj, Adj |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1 V |