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| Part Number | SN74LS257BD | SN74LS257BN | SN74LS258BD | SN74LS257BDR | SN74LS257BM |
|---|---|---|---|---|---|
| Manufacturer | onsemi | Texas Instruments | onsemi | Texas Instruments | Motorola |
| Product Status | Obsolete | Active | Obsolete | Active | Active |
| Type | Multiplexer | Multiplexer | Multiplexer | Multiplexer | - |
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | - |
| Independent Circuits | 1 | 1 | 1 | 1 | - |
| Current - Output High, Low | 2.6mA, 24mA | 2.6mA, 24mA | 2.6mA, 24mA | 2.6mA, 24mA | - |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | - |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount | - |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | 16-SOIC | 16-PDIP | 16-SOIC | 16-SOIC | - |
