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| PartNumber | SN74AHCT157NSR | SN74AHCT157NSRG4 | SN74AHCT157NSRE4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-1-Line Data Selector/Mltplxr | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2Ln To 1Ln Data Selectr Multiplexr | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-1-Line Data Selector/Mltplxr |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| RoHS | Y | Y | Y |
| Product | Decoders / Demultiplexers | Decoders / Demultiplexers | Decoders / Demultiplexers |
| Logic Family | 74AHCT | 74AHCT | 74AHCT |
| Number of Bits | 4 bit | - | 4 bit |
| Number of Input Lines | 2 Input | 8 Input | 2 Input |
| Number of Output Lines | 1 Output | 4 Output | 1 Output |
| Propagation Delay Time | 8.7 ns | 8.7 ns | 8.7 ns |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SO-16 | SO-16 | SO-16 |
| Packaging | Reel | Reel | Reel |
| Function | Multiplexer | Multiplexer | Multiplexer |
| Height | 1.95 mm | 1.95 mm | 1.95 mm |
| Length | 10.3 mm | 10.3 mm | 10.3 mm |
| Number of Circuits | Quad | Quad | Quad |
| Technology | CMOS | CMOS | CMOS |
| Width | 5.3 mm | 5.3 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Data Selectors/Multiplexers | CMOS | Data Selectors/Multiplexers |
| High Level Output Current | - 8 mA | - 8 mA | - 8 mA |
| Low Level Output Current | 8 mA | 8 mA | 8 mA |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.007079 oz | 0.007079 oz | 0.007079 oz |