| PartNumber | MAX6420UK31+T | MAX6420UK31-T | MAX6420UK30+T |
| Description | Supervisory Circuits Dual uPower Reset Circuit | Supervisory Circuits Low-Pwr, Sngl/Dual-Vltage Microproc. Reset Circts w/ Capacitor-Adjust. Reset Timeout Delay | Supervisory Circuits Dual uPower Reset Circuit |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | - | - |
| Type | Voltage Supervisory | Voltage Supervisory | Multi-Voltage Supervisor |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-5 | SOT-23-5 | - |
| Threshold Voltage | 1.6 V to 5 V | 1.6 V to 5 V | 1.6 V to 5 V |
| Number of Inputs Monitored | 2 Input | 2 Input | 2 Input |
| Output Type | Active Low, Open Drain | Active Low, Open Drain | Active Low Open Drain |
| Manual Reset | No Manual Reset | No 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 | 5.4 ms | 5.4 ms | 5.4 ms |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | MAX6420 | MAX6420 | MAX6420 |
| Packaging | Reel | Reel | Tape & Reel (TR) |
| Height | 1.1 mm | 1.1 mm | - |
| Length | 2.9 mm | 2.9 mm | - |
| Width | 1.63 mm | 1.63 mm | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Overvoltage Threshold | 3.152 V, Adjustable | 3.152 V, Adjustable | 3.075 V Adjustable |
| Undervoltage Threshold | 2.998 V, Adjustable | 2.998 V, Adjustable | 2.925 V Adjustable |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 2.7 uA | 2.7 uA | 2.7 uA |
| Pd Power Dissipation | 571 mW | 571 mW | - |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 1 V | 1 V | - |
| Part # Aliases | MAX6420 | MAX6420 | MAX6420 |
| Unit Weight | 0.000222 oz | 0.001058 oz | 0.001058 oz |
| Package Case | - | - | SOT-23-5 |
| Operating Temperature | - | - | -40°C ~ 125°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | SOT-23-5 |
| Output | - | - | Open Drain or Open Collector |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | 2 |
| Reset Timeout | - | - | Adjustable/Selectable |
| Voltage Threshold | - | - | 3V, Adj |
| Pd Power Dissipation | - | - | 571 mW |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1 V |