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| PartNumber | SN74AS157N | SN74AS157NSR | SN74AS157NS |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Quad 1-of-2 Data Selector/Multiplexer | Encoders, Decoders, Multiplexers & Demultiplexers Quad 1-of-2 Data Selector/Multiplexer | Multiplexer 1-Element Bipolar 8-IN 16-Pin SOP Tube |
| 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 | AS | AS | - |
| Number of Bits | 4 bit | 4 bit | - |
| Number of Input Lines | 2 Input | 2 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| Propagation Delay Time | 14 ns | 14 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 | Quad | Quad | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | SN74AS157 | SN74AS157 | - |
| Technology | Bipolar | Bipolar | - |
| Width | 6.35 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | Data Selectors/Multiplexers | Data Selectors/Multiplexers | - |
| High Level Output Current | - 2 mA | - 2 mA | - |
| Low Level Output Current | 20 mA | 20 mA | - |
| Maximum Clock Frequency | 125 MHz | 125 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 | - |