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| PartNumber | M74VHCT157ADTR2G | M74VHCT257ADTR2G | M74VHCT126ADTR2G |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers LOG CMOS QUAD 2-CH MUL | Multiplexer Switch ICs LOG CMOS QUAD 2-CHAN MULT | Buffers & Line Drivers QUAD BUS BUFFER |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Multiplexer Switch ICs | Buffers & Line Drivers |
| RoHS | Y | Y | Y |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | - | - |
| Logic Family | VHCT | - | VHCT |
| Number of Input Lines | 8 Input | - | 4 Input |
| Number of Output Lines | 4 Output | - | 4 Output |
| Propagation Delay Time | 10 ns at 3.3 V, 8.4 ns at 5 V | - | 11.5 ns at 3.3 V, 7.5 ns at 5 V |
| Supply Voltage Min | 4.5 V | - | 4.5 V |
| Supply Voltage Max | 5.5 V | - | 5.5 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-16 | TSSOP-16 | TSSOP-14 |
| Packaging | Reel | Reel | Reel |
| Function | Multiplexer | - | Buffer/Line Driver |
| Height | 1.05 mm | - | 1.05 mm |
| Length | 5.1 mm | - | 5.1 mm |
| Series | MC74VHCT157A | MC74VHCT257A | MC74VHCT126A |
| Technology | CMOS | - | CMOS |
| Width | 4.5 mm | - | 4.5 mm |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Logic Type | CMOS | - | - |
| High Level Output Current | - 8 mA | - | - 8 mA |
| Low Level Output Current | 8 mA | - | 8 mA |
| Operating Supply Voltage | 5 V | - | 5 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Multiplexer Switch ICs | Buffers & Line Drivers |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | Logic ICs | Switch ICs | Logic ICs |
| Unit Weight | 0.006102 oz | 0.006102 oz | 0.004949 oz |
| Number of Channels | - | 2 Channel | 4 |
| Polarity | - | - | Non-Inverting |
| Output Type | - | - | 3-State |
| Quiescent Current | - | - | 2 uA |
| Supply Current Max | - | - | 2 uA |
| Input Signal Type | - | - | Single-Ended |