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| Part Number | 74LS257PC | 74LS258PC | 74LS157PC | 74LS257APC |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | National Semiconductor | National Semiconductor |
| Product Status | Active | Active | Active | Active |
| Type | - | - | - | - |
| Circuit | - | - | - | - |
| Independent Circuits | - | - | - | - |
| Current - Output High, Low | - | - | - | - |
| Voltage Supply Source | - | - | - | - |
| Voltage - Supply | - | - | - | - |
| Operating Temperature | - | - | - | - |
| Mounting Type | - | - | - | - |
| Package / Case | - | - | - | - |
| Supplier Device Package | - | - | - | - |
