| PartNumber | SN74HC157PWR | SN74HC157PW | SN74HC157PWG4 |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-1-Line Data Selectors/Mltplxrs | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-1-Line Data Selectors/Mltplxrs | Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2Ln To 1Ln Data Selector Multiplexer |
| 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 | Selectors / Multiplexers | Selectors / Multiplexers | Selectors / Multiplexers |
| Logic Family | HC | HC | HC |
| Number of Bits | 4 bit | 4 bit | - |
| Number of Input Lines | 2 Input | 2 Input | 2 Input |
| Number of Output Lines | 1 Output | 1 Output | 1 Output |
| Propagation Delay Time | 32 ns | 32 ns | 32 ns |
| Supply Voltage Min | 2 V | 2 V | 2 V |
| Supply Voltage Max | 6 V | 6 V | 6 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 | TSSOP-16 | TSSOP-16 | TSSOP-16 |
| Packaging | Reel | Tube | Tube |
| Function | Multiplexer | Multiplexer | Multiplexer |
| Height | 1.15 mm | 1.15 mm | 1.15 mm |
| Length | 5 mm | 5 mm | 5 mm |
| Number of Circuits | Quad | Quad | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Series | SN74HC157 | SN74HC157 | SN74HC157 |
| Technology | CMOS | CMOS | CMOS |
| Width | 4.4 mm | 4.4 mm | 4.4 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Data Selectors/Multiplexers | Data Selectors/Multiplexers | CMOS |
| High Level Output Current | - 7.8 mA | - 7.8 mA | - 7.8 mA |
| Low Level Output Current | 7.8 mA | 7.8 mA | 7.8 mA |
| Maximum Clock Frequency | 28 MHz | 28 MHz | 28 MHz |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 2000 | 90 | 90 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.002183 oz | 0.002183 oz | 0.002183 oz |