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| PartNumber | MM74C923WMX | MM74C923WM | MM74C923WMX-NL |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 20-Key Encoder | Encoders, Decoders, Multiplexers & Demultiplexers 20-Key Encoder | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | Decoders, Encoders, Multiplexers & Demultiplexers | - |
| Logic Family | 74C | 74C | - |
| Number of Bits | 4 bit | 4 bit | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 5 Output | 5 Output | - |
| Propagation Delay Time | 150 ns at 5 V, 80 ns at 10 V, 60 ns at 15 V | 150 ns at 5 V, 80 ns at 10 V, 60 ns at 15 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Supply Voltage Max | 15 V | 15 V | - |
| Minimum Operating Temperature | - 40 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 125 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Reel | Tube | - |
| Function | 20-Key encoder | Encoder | - |
| Height | 2.35 mm | 2.35 mm | - |
| Input Voltage | 3.5 V to 1.5 V | - 0.3 V to + 0.3 V | - |
| Length | 13 mm | 13 mm | - |
| Number of Circuits | Single | Single | - |
| Output Current | 3.6 mA | 8 mA | - |
| Output Voltage | - 0.3 V to Vcc + 0.3 V | - 0.3 V to + 0.3 V | - |
| Width | 7.6 mm | 7.6 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Logic Type | Encoder | Encoder | - |
| Operating Supply Voltage | 3 V to 15 V | 3 V to 15 V | - |
| Pd Power Dissipation | 700 mW | 700 mW | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 1000 | 36 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Part # Aliases | MM74C923WMX_NL | MM74C923WM_NL | - |
| Unit Weight | 0.028254 oz | 0.028254 oz | - |