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| PartNumber | MM74HCT138M | MM74HCT138MTC | MM74HCT138M , HT7044B |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder | Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Decoders | Decoders | - |
| Logic Family | 74HCT | 74HCT | - |
| Number of Input Lines | 3 Input | 3 Input | - |
| Number of Output Lines | 8 Output | 8 Output | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 | TSSOP-16 | - |
| Packaging | Tube | Tube | - |
| Function | Decoder | Decoder | - |
| Height | 1.5 mm | 0.9 mm | - |
| Input Voltage | - 1.5 V to + 1.5 V | - 1.5 V to + 1.5 V | - |
| Length | 10 mm | 5 mm | - |
| Number of Circuits | Dual | Dual | - |
| Output Current | +/- 25 mA | +/- 25 mA | - |
| Output Voltage | - 0.5 V to + 0.5 V | - 0.5 V to + 0.5 V | - |
| Series | MM74HCT138 | MM74HCT138 | - |
| Technology | CMOS | CMOS | - |
| Width | 4 mm | 4.4 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Logic Type | Decoder | Decoder | - |
| Supply Current Max | 0.008 mA | 0.008 mA | - |
| High Level Output Current | - 4.8 mA | - 4.8 mA | - |
| Low Level Output Current | 4.8 mA | 4.8 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Pd Power Dissipation | 600 mW | 600 mW | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 960 | 2350 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Part # Aliases | MM74HCT138M_NL | - | - |
| Unit Weight | 0.005044 oz | 0.006102 oz | - |