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| Part Number | CAT1021LI45 | CAT1021WI45 | CAT1021LI25 | CAT1021LI42 |
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 | 1 | 1 | 1 |
| Voltage - Threshold | 4.5V | 4.5V | 2.55V | 4.25V |
| Output | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector |
| Reset | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low |
| Reset Timeout | 130ms Minimum | 130ms Minimum | 130ms Minimum | 130ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-PDIP | 8-SOIC | 8-PDIP | 8-PDIP |
