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| PartNumber | 74ACT139SC | 74ACT139SCX SOP3.9 | 74ACT139SCX |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Dual 1-of-4 Dec/Dem | Encoders, Decoders, Multiplexers & Demultiplexers Dual 1-of-4 Dec/Dem | |
| Manufacturer | ON Semiconductor | - | Fairchild Semiconductor |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | - | Logic - Signal Switches, Multiplexers, Decoders |
| RoHS | Y | - | - |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers | - | - |
| Logic Family | 74ACT | - | - |
| Number of Input Lines | 1 Input | - | - |
| Number of Output Lines | 4 Output | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-16 | - | - |
| Packaging | Tube | - | Digi-ReelR Alternate Packaging |
| Function | Decoder/Demultiplexers | - | - |
| Height | 1.5 mm | - | - |
| Input Voltage | - 0.5 V to + 0.5 V | - | - |
| Length | 10 mm | - | - |
| Number of Circuits | Dual | - | - |
| Output Current | + 20 mA | - | - |
| Output Voltage | - 0.5 V to + 0.5 V | - | - |
| Series | 74ACT139 | - | 74ACT |
| Technology | CMOS | - | - |
| Width | 4 mm | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Logic Type | Decoders/Demultiplexers | - | - |
| Supply Current Max | 0.004 mA | - | - |
| High Level Output Current | - 24 mA | - | - |
| Low Level Output Current | 24 mA | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | - | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | - | - |
| Factory Pack Quantity | 48 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.005044 oz | - | - |
| Type | - | - | Decoder/Demultiplexer |
| Package Case | - | - | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-SOIC |
| Voltage Supply Source | - | - | Single Supply |
| Circuit | - | - | 1 x 2:4 |
| Current Output High Low | - | - | 24mA, 24mA |
| Independent Circuits | - | - | 2 |