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| PartNumber | CAT1640WI-25-GT3 | CAT1640WI-25-T3 | CAT1640WI-25-G |
| Description | Supervisory Circuits CPU SUP W/64K EEPROM | Supervisory Circuits CPU w/64K | Supervisory Circuits CPU w/64K |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 Wide | SOIC-8 Wide | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Output Type | Open Collector / Drain | Active Low, Open Drain | - |
| Manual Reset | Manual Reset | Manual Reset | - |
| Watchdog Timers | No Watchdog | No Watchdog | - |
| Reset Delay Time | 5 us | 270 ms | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | CAT1640 | - | - |
| Packaging | Reel | Reel | - |
| Features | Internal Hysteresis | - | - |
| Height | 1.75 mm | 1.5 mm | - |
| Length | 6.2 mm | 5 mm | - |
| Output Current | 100 mA | - | - |
| Width | 5 mm | 4 mm | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Undervoltage Threshold | 2.55 V to 2.7 V | 2.55 V | - |
| Operating Supply Current | 1 mA, 3 mA | 3000 uA | - |
| Pd Power Dissipation | 1 W | 1000 mW | - |
| Power Fail Detection | 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 | 3 V | 3 V | - |
| Threshold Voltage | - | 3 V, 3.3 V, 5 V | - |
| Battery Backup Switching | - | No Backup | - |
| Overvoltage Threshold | - | 2.7 V | - |
| Chip Enable Signals | - | No Chip Enable | - |