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| PartNumber | MAX821RUS+T | MAX821RUS+TG069 | MAX821RUS |
| Description | Supervisory Circuits 4-Pin uPower Voltage Monitor | Processor Supervisor 2.66V 3V to 5V 4-Pin SOT-143 T/R - Tape and Reel (Alt: MAX821RUS+TG069) | Processor Supervisor 2.63V 3V to 5V 4-Pin(3+Tab) SOT-143 - Bulk (Alt: MAX821RUS) |
| Manufacturer | Maxim Integrated | - | - |
| Product Category | Supervisory Circuits | - | - |
| RoHS | Y | - | - |
| Type | Voltage Supervisory | - | - |
| Package / Case | SOT-4 | - | - |
| Threshold Voltage | 3 V to 5 V | - | - |
| Number of Inputs Monitored | 1 Input | - | - |
| Output Type | Active Low, Push-Pull | - | - |
| Manual Reset | No Manual Reset | - | - |
| Watchdog Timers | No Watchdog | - | - |
| Battery Backup Switching | No Backup | - | - |
| Reset Delay Time | 200 ms | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Series | MAX821R | - | - |
| Packaging | Reel | - | - |
| Height | 0.94 mm | - | - |
| Length | 2.92 mm | - | - |
| Width | 1.3 mm | - | - |
| Brand | Maxim Integrated | - | - |
| Overvoltage Threshold | 2.66 V | - | - |
| Undervoltage Threshold | 2.59 V | - | - |
| Chip Enable Signals | No Chip Enable | - | - |
| Operating Supply Current | 5.5 uA | - | - |
| Pd Power Dissipation | 320 mW | - | - |
| Power Fail Detection | No | - | - |
| Product Type | Supervisory Circuits | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Supply Voltage Min | 1 V | - | - |
| Part # Aliases | MAX821R | - | - |