| Part Number | DM74LS20M | DM74LS27M |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | Logic - Gates and Inverters | Logic - Gates and Inverters |
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| Product Status | Active | Active |
| Logic Type | NAND Gate | NOR Gate |
| Number of Circuits | 2 | 3 |
| Number of Inputs | 4 | 3 |
| Features | - | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Current - Quiescent (Max) | 2.2 mA | 6.8 mA |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA |
| Logic Level - Low | 0.8V | 0.8V |
| Logic Level - High | 2V | 2V |
| Max Propagation Delay @ V, Max CL | 15ns @ 5V, 50pF | 18ns @ 5V, 50pF |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Supplier Device Package | 14-SOIC | 14-SOIC |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |