| PartNumber | CD74HC251E | CD74HC251EE4 | CD74HC251EG4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Hi-Sp CMOS 8-Input Mltplxr W/3 St Otpt | Encoders, Decoders, Multiplexers & Demultiplexers Hi-Sp CMOS 8-Input Mltplxr W/3 St Otpt | IC 8-IN MUX TRI-ST HS 16-DIP |
| 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 | HC | HC | - |
| Number of Input Lines | 2 Input | 2 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| Propagation Delay Time | 21 ns | 21 ns | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-16 | PDIP-16 | - |
| Packaging | Tube | Tube | - |
| Function | Multiplexer | Multiplexer | - |
| Height | 4.57 mm | 4.57 mm | - |
| Length | 19.3 mm | 19.3 mm | - |
| Number of Circuits | Dual | Dual | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Series | CD74HC251 | CD74HC251 | - |
| Technology | CMOS | CMOS | - |
| Width | 6.35 mm | 6.35 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Multiplexer | Multiplexer | - |
| High Level Output Current | - 5.2 mA | - 5.2 mA | - |
| Low Level Output Current | 5.2 mA | 5.2 mA | - |
| Maximum Clock Frequency | 28 MHz | 28 MHz | - |
| 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 | 25 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.033570 oz | - |