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| PartNumber | 74LCX257MTC | 74LCX257MTCX | 74LCX257M |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Qd 2-Inp Multiplexer | Encoders, Decoders, Multiplexers & Demultiplexers Qd 2-Inp Multiplexer | Encoders, Decoders, Multiplexers & Demultiplexers Qd 2-Inp Multiplexer |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| RoHS | Y | Y | Y |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers |
| Logic Family | 74LC | 74LC | 74LC |
| Number of Bits | 4 bit | 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 | 6.5 ns at 2.7 V, 6 ns at 3.3 V | 6.5 ns at 2.7 V, 6 ns at 3.3 V | 6.5 ns at 2.7 V, 6 ns at 3.3 V |
| Supply Voltage Min | 2 V | 2 V | 2 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 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 | SOIC-16 |
| Packaging | Tube | Reel | Tube |
| Function | Multiplexer | Qd 2-Inp Multiplexer | Multiplexer |
| Height | 0.9 mm | 0.9 mm | 1.5 mm |
| Input Voltage | - 0.5 V to + 7.0 V | - 0.5 V to 7.0 V | - 0.5 V to + 7.0 V |
| Length | 5 mm | 5 mm | 10 mm |
| Number of Circuits | Quad | Quad | Quad |
| Output Current | + 50 mA | 50 mA | + 50 mA |
| Output Voltage | - 0.5 V to + 0.5 V | - 0.5 V to Vcc + 0.5 V | - 0.5 V to + 0.5 V |
| Series | 74LCX257 | 74LCX257 | 74LCX257 |
| Technology | CMOS | CMOS | CMOS |
| Width | 4.4 mm | 4.4 mm | 4 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Logic Type | Multiplexer | Multiplexer | Multiplexer |
| High Level Output Current | - 24 mA | - 24 mA | - 24 mA |
| Low Level Output Current | 24 mA | 24 mA | 24 mA |
| Operating Supply Voltage | 2 V to 3.6 V | 2 V to 3.6 V | 2 V to 3.6 V |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers |
| Factory Pack Quantity | 2350 | 2500 | 960 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Part # Aliases | 74LCX257MTC_NL | 74LCX257MTCX_NL | - |
| Unit Weight | 0.006102 oz | 0.006102 oz | 0.005044 oz |