| PartNumber | SN74ALS251N | SN74ALS251NSR | SN74ALS251NG4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 1-of-8 Data Slctr/ Mltplxr W/3-St Otpt | Encoders, Decoders, Multiplexers & Demultiplexers 1-of-8 Data Slctr/ Mltplxr W/3-St Otpt | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Selectors / Multiplexers | Selectors / Multiplexers | - |
| Logic Family | ALS | ALS | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| Propagation Delay Time | 24 ns | 24 ns | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-16 | SO-16 | - |
| Packaging | Tube | Reel | - |
| Function | Multiplexer | Multiplexer | - |
| Height | 4.57 mm | 1.95 mm | - |
| Length | 19.3 mm | 10.3 mm | - |
| Number of Circuits | Single | Single | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | SN74ALS251 | SN74ALS251 | - |
| Technology | Bipolar | Bipolar | - |
| Width | 6.35 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Selectors/Multiplexers | Multiplexer | - |
| High Level Output Current | - 2.6 mA | - 2.6 mA | - |
| Low Level Output Current | 24 mA | 24 mA | - |
| Maximum Clock Frequency | 75 MHz | 75 MHz | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 25 | 2000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.007079 oz | - |