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| Part Number | DM74LS257BN | DM74LS258BN | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Product Status | Obsolete | Obsolete | 
| Type | Multiplexer | Multiplexer | 
| Circuit | 4 x 2:1 | 4 x 2:1 | 
| Independent Circuits | 1 | 1 | 
| Current - Output High, Low | 2.6mA, 24mA | - | 
| Voltage Supply Source | Single Supply | - | 
| Voltage - Supply | 4.75V ~ 5.25V | - | 
| Operating Temperature | 0°C ~ 70°C | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-PDIP | 16-PDIP |