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| Part Number | MC74ACT258D | MC74AC258D | MC74ACT251D | MC74ACT253D | MC74ACT257D | 
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | 
| Product Status | Active | Active | Active | Obsolete | Obsolete | 
| Type | - | - | - | Multiplexer | Multiplexer | 
| Circuit | - | - | - | 2 x 4:1 | 4 x 2:1 | 
| Independent Circuits | - | - | - | 1 | 1 | 
| Current - Output High, Low | - | - | - | 24mA, 24mA | 24mA, 24mA | 
| Voltage Supply Source | - | - | - | Single Supply | Single Supply | 
| Voltage - Supply | - | - | - | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | - | - | - | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | - | - | - | Surface Mount | Surface Mount | 
| Package / Case | - | - | - | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | - | - | - | 16-SOIC | 16-SOIC |