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| PartNumber | STM1818SWX7F | STM1818RWX7F | STM1818 |
| Description | Supervisory Circuits 2.88VRST Active Low Open Drain reset | Supervisory Circuits 2.55VRST Active Low Open Drain reset | |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | Simple Reset/Power-On Reset |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-23-3 | - |
| Threshold Voltage | 3 V, 3.3 V, 5 V | 3 V, 3.3 V, 5 V | 3 V 3.3 V 5 V |
| Number of Inputs Monitored | 3 Input | 1 Input | 1 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 | No Watchdog | No Watchdog | No Watchdog |
| Battery Backup Switching | No Backup | No Backup | No Backup |
| Reset Delay Time | 2 us | - | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Series | STM1818 | STM1818 | STM1818 |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Height | 1.02 mm | 1.02 mm | - |
| Length | 3.04 mm (Max) | 3.04 mm (Max) | - |
| Width | 1.4 mm | 1.4 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Overvoltage Threshold | 2.97 V | 2.64 V | 2.64 V |
| Undervoltage Threshold | 2.8 V | 2.47 V | 2.47 V |
| Chip Enable Signals | No Chip Enable | No Chip Enable | No Chip Enable |
| Operating Supply Current | 4 uA | 16 uA | 16 uA |
| Pd Power Dissipation | 320 mW | 320 mW | - |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 1 V | 1.2 V | - |
| Unit Weight | 0.000282 oz | 0.000282 oz | 0.050717 oz |
| Package Case | - | - | SOT-23-3 |
| Operating Temperature | - | - | -40°C ~ 105°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | SOT-23-3 |
| Output | - | - | Open Drain, Bidirectional |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | 1 |
| Reset Timeout | - | - | 100 ms Minimum |
| Voltage Threshold | - | - | 2.55V |
| Pd Power Dissipation | - | - | 320 mW |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1.2 V |