| PartNumber | MAX6721UTYDD3+T | MAX6721UTWGD3-T | MAX6721UTWGD3+T |
| Description | Supervisory Circuits Dual uPower Supervisor | Supervisory Circuits | Supervisory Circuits Dual uPower Superviso |
| 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-23-6 | SOT-23-6 | - |
| Threshold Voltage | 1.8 V to 5 V, 0.9 V to 3.3 V | 1.8 V to 5 V, 0.9 V to 3.3 V | 1.8 V to 5 V 0.9 V to 3.3 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 | Manual Reset | Manual Reset | Manual Reset |
| Watchdog Timers | Watchdog | Watchdog | Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 210 ms | 210 ms | 210 ms |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | MAX6721 | MAX6721 | MAX6721 |
| 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 | 2.25 V, 0.81 V | 1.71 V, 1.14 V | 1.71 V 1.14 V |
| Undervoltage Threshold | 2.125 V, 0.765 V | 1.62 V, 1.08 V | 1.62 V 1.08 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 15 uA | 15 uA | 15 uA |
| Pd Power Dissipation | 696 mW | 696 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 | 0.8 V | 0.8 V | - |
| Part # Aliases | MAX6721 | MAX6721 | MAX6721 |
| Unit Weight | 0.001270 oz | 0.001270 oz | 0.001270 oz |
| Package Case | - | - | SOT-23-6 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | SOT-23-6 |
| Output | - | - | Open Drain or Open Collector |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | 2 |
| Reset Timeout | - | - | 140 ms Minimum |
| Voltage Threshold | - | - | 1.11V, 1.665V |
| Pd Power Dissipation | - | - | 696 mW |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 0.8 V |