| PartNumber | 74AC251SJ | 74AC251SC | 74AC251SCX |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 8-Input Multiplexer | Encoders, Decoders, Multiplexers & Demultiplexers 8-Input Multiplexer | MULTIPLEXER 8BIT 3-STATE 16SOIC |
| 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 | 74AC | 74AC | - |
| Number of Bits | 1 bit | 1 bit | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 3 Output | 3 Output | - |
| Propagation Delay Time | 14 ns at 3.3 V, 10 ns at 5 V | 14 ns at 3.3 V, 10 ns at 5 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOP-16 | SOIC-16 | - |
| Packaging | Tube | Tube | - |
| Function | Multiplexer | Multiplexer | - |
| Height | 1.8 mm | 1.5 mm | - |
| Input Voltage | - 0.5 V to + 7.0 V | - 0.5 V to + 7.0 V | - |
| Length | 10.2 mm | 10 mm | - |
| Number of Circuits | Single | Single | - |
| Output Current | 5.5 mA | 5.5 mA | - |
| Output Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 0.5 V | - |
| Technology | CMOS | CMOS | - |
| Width | 5.3 mm | 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 | 2 V to 6 V | 2 V to 6 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 47 | 48 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.008536 oz | 0.008536 oz | - |