| PartNumber | DS1232LPU+ | DS1232LPU+T\u0026R | DS1232LPU |
| Description | Supervisory Circuits Low Power MicroMonitor Chip | Supervisory Circuits Low Power MicroMonitor Chip | Supervisory Circuits Low Power MicroMonitor Chip |
| 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 | - | - |
| Package / Case | UMAX-8 | UMAX-8 | UMAX-8 |
| Threshold Voltage | 3.3 V to 5.5 V | 4.5 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 High, Active Low, Open Drain | Active High, Active Low, Open Drain |
| Manual Reset | Manual Reset | Manual Reset | Manual Reset |
| Watchdog Timers | Watchdog | Watchdog | Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 610 ms | 1000 ms | 1000 ms |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Series | DS1232LPU+ | DS1232LPU+ | DS1232LP |
| Packaging | Tube | Reel | Tube |
| Height | 0.95 mm (Max) | 0.95 mm (Max) | 0.95 mm (Max) |
| Length | 3.1 mm (Max) | 3.1 mm (Max) | 3.1 mm (Max) |
| Width | 3.1 mm (Max) | 3.1 mm (Max) | 3.1 mm (Max) |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Overvoltage Threshold | 5.5 V | 4.74 V | 4.74 V |
| Undervoltage Threshold | 3.3 V | 4.5 V | 4.5 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 0.2 mA | 200 uA | 200 uA |
| 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 | 50 | 3000 | 50 |
| 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 | 90-1232L+U00 DS1232LPU+ | 90-1232L+UT0 DS1232LPU+ | 90-1232L-U00 DS1232LP |