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| PartNumber | SN74HC257D | SN74HC257DE4 | SN74HC257DBR |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Tri-St. Quad Line | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slct/Mltpx W/3St Otp | Multiplexer 1-Element CMOS 3-ST 8-IN T/R |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | - | - |
| RoHS | Y | - | - |
| Product | Selectors / Multiplexers | - | - |
| Logic Family | HC | - | - |
| Number of Bits | 4 bit | - | - |
| Number of Input Lines | 2 Input | - | - |
| Number of Output Lines | 1 Output | - | - |
| Propagation Delay Time | 25 ns | - | - |
| Supply Voltage Min | 2 V | - | - |
| Supply Voltage Max | 6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOP-16 | - | - |
| Packaging | Tube | - | - |
| Function | Multiplexer | - | - |
| Height | 1.58 mm | - | - |
| Length | 9.9 mm | - | - |
| Number of Circuits | Quad | - | - |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Series | SN74HC257 | - | - |
| Technology | CMOS | - | - |
| Width | 3.91 mm | - | - |
| Brand | Texas Instruments | - | - |
| Logic Type | Data Selectors/Multiplexers | - | - |
| High Level Output Current | - 7.8 mA | - | - |
| Low Level Output Current | 7.8 mA | - | - |
| Maximum Clock Frequency | 28 MHz | - | - |
| Operating Supply Voltage | 2 V to 6 V | - | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | - | - |
| Factory Pack Quantity | 40 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.004998 oz | - | - |