| PartNumber | CAT1027YI-42-GT3 | CAT1027YI-30-GT3 | CAT1027YI-45-GT3 |
| Description | Supervisory Circuits CPU SUP W/2K EEPROM | Supervisory Circuits CPU SUP W/2K EEPROM | Supervisory Circuits CPU SUP W/2K EEPROM |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| RoHS | Y | Y | Y |
| Type | Voltage Supervisory | Voltage Supervisory | Voltage Supervisory |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-8 | TSSOP-8 | TSSOP-8 |
| Number of Inputs Monitored | 2 Input | 2 Input | 2 Input |
| Output Type | Open Collector / Drain | Open Collector / Drain | Open Collector / Drain |
| Manual Reset | Manual Reset | Manual Reset | Manual Reset |
| Watchdog Timers | Watchdog | Watchdog | Watchdog |
| Reset Delay Time | 5 us | 5 us | 5 us |
| Supply Voltage Max | 7 V | 7 V | 7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | CAT1027 | CAT1027 | CAT1027 |
| Packaging | Reel | Reel | Reel |
| Features | Internal Hysteresis | Internal Hysteresis | Internal Hysteresis |
| Height | 1.2 mm | 1.2 mm | 1.2 mm |
| Length | 4.4 mm | 4.4 mm | 4.4 mm |
| Output Current | - 10 uA to + 10 uA | - 10 uA to + 10 uA | - 10 uA to + 10 uA |
| Width | 3 mm | 3 mm | 3 mm |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Undervoltage Threshold | 4.25 V to 4.5 V | 3 V to 3.15 V | 4.5 V to 4.75 V |
| Operating Supply Current | - 2 uA to + 10 uA | - 2 uA to + 10 uA | - 2 uA to + 10 uA |
| Pd Power Dissipation | 1 W | 1 W | 1 W |
| Power Fail Detection | No | No | No |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | - 2 V | - 2 V | - 2 V |
| Unit Weight | 0.005573 oz | 0.005573 oz | 0.005573 oz |