 | |  | |
| PartNumber | DS1231-50+ | DS1231-50/G | DS1231-50+TR |
| Description | Supervisory Circuits Power Monitor | Supervisory Circuits Power Monitor | |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Supervisory Circuits | Supervisory Circuits | - |
| RoHS | Y | N | - |
| Type | Voltage Supervisory | Voltage Supervisory | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-8 | PDIP-Narrow-8 | - |
| Threshold Voltage | 3.3 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 | - |
| Reset Delay Time | 500 ms | - | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | DS1231 | DS1231 | - |
| Packaging | Tube | Tube | - |
| Height | 4.45 mm (Max) | 4.45 mm (Max) | - |
| Length | 9.91 mm (Max) | 9.91 mm (Max) | - |
| Width | 7.87 mm (Max) | 7.87 mm (Max) | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Overvoltage Threshold | 5.5 V | 4.74 V | - |
| Undervoltage Threshold | 3.3 V | 4.5 V | - |
| Chip Enable Signals | No Chip Enable | No Chip Enable | - |
| Operating Supply Current | 0.5 mA | 2 mA | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Power Fail Detection | Yes | Yes | - |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Part # Aliases | 90-12310+500 DS1231 | 90-1231G-500 DS1231 | - |
| Unit Weight | 0.032805 oz | - | - |