 | |  | |
| PartNumber | DS1231S-20+ | DS1231S-20N+ | DS1231S-20 |
| Description | Supervisory Circuits Power Monitor | Supervisory Circuits Power Monitor | Supervisory Circuits Power Monitor |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| RoHS | Y | Y | N |
| Type | Voltage Supervisory | Voltage Supervisory | Voltage Supervisory |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 | SOIC-16 | SOIC-Wide-16 |
| Threshold Voltage | 3.3 V to 5.5 V | 3.3 V to 5.5 V | 4.5 V to 5.5 V |
| Number of Inputs Monitored | 1 Input | 1 Input | 1 Input |
| Output Type | Active Low, Open Drain | Active Low, Open Drain | Active High, Active Low, Open Drain |
| Manual Reset | Manual Reset | Manual Reset | No Manual Reset |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 500 ms | 500 ms | - |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Series | DS1231S | DS1231S | DS1231S |
| Packaging | Tube | Tube | Tube |
| Height | 2.35 mm (Max) | 2.35 mm (Max) | 2.35 mm (Max) |
| Length | 10.5 mm (Max) | 10.5 mm (Max) | 10.5 mm (Max) |
| Width | 7.6 mm (Max) | 7.6 mm (Max) | 7.6 mm (Max) |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Overvoltage Threshold | 5.5 V | 5.5 V | 4.74 V |
| Undervoltage Threshold | 3.3 V | 3.3 V | 4.5 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 0.5 mA | 0.5 mA | 2 mA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Power Fail Detection | Yes | Yes | Yes |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Factory Pack Quantity | 46 | 46 | 45 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Part # Aliases | 90-1231S+200 DS1231S | 90-1231S+I20 DS1231S | 90-1231S-200 DS1231S |
| Unit Weight | 0.023492 oz | 0.023492 oz | 0.016709 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Maxim Integrated |
DS1231S-20+ | Supervisory Circuits Power Monitor | |
| DS1231S-50+ | Supervisory Circuits Power Monitor | ||
| DS1231S-20N+ | Supervisory Circuits Power Monitor | ||
| DS1231S-35+ | Supervisory Circuits Power Monitor | ||
| DS1231S-35+T\u0026R | Supervisory Circuits Power Monitor | ||
| DS1231S-50N | Supervisory Circuits Power Monitor | ||
| DS1231S-50 | Supervisory Circuits Power Monitor | ||
| DS1231S-20 | Supervisory Circuits Power Monitor | ||
| DS1231S-50N | Supervisory Circuits Power Monito | ||
| DS1231S-50+ | Supervisory Circuits Power Monito | ||
| DS1231S-35+ | Supervisory Circuits Power Monito | ||
| DS1231S-20N+ | Supervisory Circuits Power Monito | ||
| DS1231S-20+ | Supervisory Circuits Power Monito | ||
| DS1231S-20+TR | New and Original | ||
| DS1231S-20/35 | New and Original | ||
| DS1231S-20/T R | New and Original | ||
| DS1231S-200N+ | New and Original | ||
| DS1231S-35+TR | New and Original | ||
| DS1231S-500+ | New and Original | ||
| DS1231S-500+T | New and Original | ||
| DS1231S-50 | Supervisory Circuits Power Monito | ||
| DS1231S-35 | Supervisory Circuits Power Monito | ||
| DS1231S-20 | Supervisory Circuits Power Monito | ||
| DS1231S-20N | Supervisory Circuits Power Monito | ||
| DS1231S-50N+ | Supervisory Circuits Power Monito |