| Part Number | SN74LS20NG4 | SN74LS21NG4 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Logic - Gates and Inverters | Logic - Gates and Inverters |
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| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Logic Type | NAND Gate | AND Gate |
| Number of Circuits | 2 | 2 |
| Number of Inputs | 4 | 4 |
| Features | - | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Current - Quiescent (Max) | - | - |
| 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, 15pF | 20ns @ 5V, 15pF |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Supplier Device Package | 14-PDIP | 14-PDIP |
| Package / Case | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |