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| Part Number | SG6520SZ | SG6521SZ | SG6520DZ | 
|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Type | Multi-Voltage Supervisor | Multi-Voltage Supervisor | Multi-Voltage Supervisor | 
| Number of Voltages Monitored | 4 | 4 | 4 | 
| Voltage - Threshold | 3.3V, 5V, 12V, 12V | 3.3V, 5V, 12V, 12V | 3.3V, 5V, 12V, 12V | 
| Output | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector | 
| Reset | - | - | - | 
| Reset Timeout | - | - | - | 
| Operating Temperature | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -25°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Through Hole | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-PDIP |