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