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| Part Number | 74F257APC | 74F257ASC | 74F258APC | 74F157APC | 74F251APC |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | National Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Type | Multiplexer | Multiplexer | Multiplexer | Multiplexer | Multiplexer |
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 1 x 8:1 |
| Independent Circuits | 1 | 1 | 1 | 1 | 1 |
| Current - Output High, Low | 3mA, 24mA | 3mA, 24mA | 3mA, 24mA | 1mA, 20mA | 3mA, 24mA |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP | 16-SOIC | 16-PDIP | 16-PDIP | 16-PDIP |
