| Part Number | SN74LS20DR | SN74LS28DR |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Logic - Gates and Inverters | Logic - Gates and Inverters |
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| Product Status | Active | Active |
| Logic Type | NAND Gate | - |
| Number of Circuits | 2 | - |
| Number of Inputs | 4 | - |
| Features | - | - |
| Voltage - Supply | 4.75V ~ 5.25V | - |
| Current - Quiescent (Max) | 800 µA | - |
| Current - Output High, Low | 400µA, 8mA | - |
| Logic Level - Low | 0.8V | - |
| Logic Level - High | 2V | - |
| Max Propagation Delay @ V, Max CL | 15ns @ 5V, 15pF | - |
| Operating Temperature | 0°C ~ 70°C | - |
| Mounting Type | Surface Mount | - |
| Supplier Device Package | 14-SOIC | - |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | - |