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| PartNumber | MAX6389LT42D3+T | MAX6389LT42D2+T | MAX6389LT42D1+T |
| Description | Supervisory Circuits Dual uPower Reset Circuit | Supervisory Circuits Dual uPower Reset Circuit | Supervisory Circuits Dual uPower Reset Circuit |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | PMIC - Supervisors | PMIC - Supervisors | PMIC - Supervisors |
| RoHS | Details | Details | Details |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | UDFN-6 | UDFN-6 | UDFN-6 |
| Threshold Voltage | 1.8 V to 5 V | 1.8 V to 5 V | 1.8 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 |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | MAX6389LT | MAX6389LT | MAX6389LT |
| Packaging | Reel | Reel | Reel |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Operating Supply Current | 7 uA | 7 uA | 7 uA |
| Overvoltage Threshold | 4.31 V Adjustable | 4.31 V Adjustable | 4.31 V Adjustable |
| Pd Power Dissipation | 167.7 mW | 167.7 mW | 167.7 mW |
| Power Fail Detection | No | No | No |
| Reset Delay Time | 280 ms | 40 ms | 2 ms |
| Supply Voltage Min | 1 V | 1 V | 1 V |
| Type | Voltage Supervisory | Voltage Supervisory | Voltage Supervisory |
| Undervoltage Threshold | 4.1 V Adjustable | 4.1 V Adjustable | 4.1 V Adjustable |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Part # Aliases | MAX6389LT | MAX6389LT | MAX6389LT |