| PartNumber | 74ACT257SC | 74ACT257MTC | 74ACT257MTR |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Qd 2-Inp Multiplexer | Encoders, Decoders, Multiplexers & Demultiplexers Qd 2-Inp Multiplexer | IC MULTIPLEXER QUAD 2-CH 16-SOIC |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers | - |
| Logic Family | 74ACT | 74ACT | - |
| Number of Bits | 4 bit | 4 bit | - |
| Number of Input Lines | 2 Input | 2 Input | - |
| Number of Output Lines | 3 Output | 3 Output | - |
| Propagation Delay Time | 7.5 ns at 5 V | 7.5 ns at 5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 | TSSOP-16 | - |
| Packaging | Tube | Tube | - |
| Function | Multiplexer | Multiplexer | - |
| Height | 1.5 mm | 0.9 mm | - |
| Input Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 0.5 V | - |
| Length | 10 mm | 5 mm | - |
| Number of Circuits | Quad | Quad | - |
| Output Current | + 20 mA | + 20 mA | - |
| Output Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 0.5 V | - |
| Technology | CMOS | CMOS | - |
| Width | 4 mm | 4.4 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Logic Type | Multiplexer | Multiplexer | - |
| High Level Output Current | - 24 mA | - 24 mA | - |
| Low Level Output Current | 24 mA | 24 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 48 | 94 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Part # Aliases | 74ACT257SC_NL | - | - |
| Unit Weight | 0.008536 oz | 0.006102 oz | - |