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| PartNumber | CAT1027LI-30-G | CAT1027LI-25-G | CAT1027LI-28-G |
| Description | Supervisory Circuits CPU w/2K | Supervisory Circuits CPU w/2K | Supervisory Circuits CPU w/2K |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | Multi-Voltage Supervisor |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-8 | PDIP-8 | - |
| Threshold Voltage | 3 V | 2.5 V | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Manual Reset | No Manual Reset | No 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 | CAT1027 | CAT1027 | - |
| Packaging | Tube | 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 | 3.15 V | 2.7 V | - |
| Undervoltage Threshold | 3 V | 2.55 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 | - |
| Package Case | - | - | 8-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | 8-PDIP |
| Output | - | - | Open Drain or Open Collector |
| Reset | - | - | Active Low |
| Number of Voltages Monitored | - | - | 2 |
| Reset Timeout | - | - | 130 ms Minimum |
| Voltage Threshold | - | - | 2.85V, Adj |