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| Part Number | DM7427N | DM7437N | DM7420N | DM7426N |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | Rochester Electronics, LLC | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Active | Active | Active | Active |
| Logic Type | - | - | NAND Gate | NAND Gate |
| Number of Circuits | - | - | 2 | 4 |
| Number of Inputs | - | - | 4 | 2 |
| Features | - | - | - | Open Collector |
| Voltage - Supply | - | - | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Current - Quiescent (Max) | - | - | 11 mA | 22 mA |
| Current - Output High, Low | - | - | 400µA, 16mA | 1mA, 16mA |
| Logic Level - Low | - | - | 0.8V | 0.8V |
| Logic Level - High | - | - | 2V | 2V |
| Max Propagation Delay @ V, Max CL | - | - | 15ns @ 5V, 15pF | 24ns @ 5V, 15pF |
| Operating Temperature | - | - | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | - | - | Through Hole | Through Hole |
| Supplier Device Package | - | - | 14-DIP | 14-DIP |
| Package / Case | - | - | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
