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| PartNumber | CAT1023LI-42-G | CAT1023LI-45-G | CAT1023LI-42 |
| Description | Supervisory Circuits CPU w/2K | Supervisory Circuits CPU w/2K | Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDIP8 |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Supervisory Circuits | Supervisory Circuits | - |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-8 | PDIP-8 | - |
| Threshold Voltage | 4.2 V | 4.5 V | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Manual Reset | Manual Reset | Manual Reset | - |
| Watchdog Timers | Watchdog | Watchdog | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | CAT1023 | CAT1023 | - |
| Packaging | Tube | Tube | - |
| Height | 3.3 mm | 3.3 mm | - |
| Length | 9.27 mm | 9.27 mm | - |
| Width | 6.35 mm | 6.35 mm | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Overvoltage Threshold | 4.5 V | 4.75 V | - |
| Undervoltage Threshold | 4.25 V | 4.5 V | - |
| Operating Supply Current | 3000 uA | 3000 uA | - |
| Pd Power Dissipation | 1000 mW | 1000 mW | - |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Unit Weight | 0.032805 oz | 0.032805 oz | - |