| PartNumber | MAX6840XSD3+T | MAX6840XSD0+T | MAX6840XSD0-T |
| Description | Supervisory Circuits Single uPower Reset Circuit | Supervisory Circuits Single uPower Reset Circuit | Supervisory Circuits Ultra-Low-Voltage, SC70 Voltage Detectors and Microprocessor Reset Circuits |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| RoHS | Y | Y | - |
| Type | Voltage Detectors | Voltage Detectors | Voltage Detectors |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SC-70-4 | SC-70-4 | SC-70-4 |
| Threshold Voltage | 1.2 V to 1.8 V | 1.2 V to 1.8 V | 1.2 V to 1.8 V |
| Number of Inputs Monitored | 1 Input | 1 Input | 1 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 | 210 ms | 0.07 ms | 0.07 ms |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | MAX6840 | MAX6840 | MAX6840 |
| Packaging | Reel | Reel | Reel |
| Height | 1 mm (Max) | 1 mm (Max) | 1 mm |
| Length | 2.25 mm (Max) | 2.25 mm (Max) | 2.25 mm |
| Width | 1.35 mm (Max) | 1.35 mm (Max) | 1.35 mm |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Overvoltage Threshold | Adj | Adj | Adjustable |
| Undervoltage Threshold | Adjustable | Adjustable | Adjustable |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 16 uA | 16 uA | 16 uA |
| Pd Power Dissipation | 245 mW | 245 mW | 245 mW |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 0.55 V | 0.55 V | 0.55 V |
| Part # Aliases | MAX6840 | MAX6840 | MAX6840 |