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74F139SCX Specifications
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TypeParameter
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Supplier Device Package16-SOIC
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Package / Case16-SOIC (0.154", 3.90mm Width)
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Mounting TypeSurface Mount
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Operating Temperature0°C ~ 70°C
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Voltage - Supply4.5V ~ 5.5V
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Voltage Supply SourceSingle Supply
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Current - Output High, Low1mA, 20mA
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Independent Circuits2
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Circuit1 x 2:4
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TypeDecoder/Demultiplexer
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PackagingTape & Reel (TR)
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Product StatusObsolete
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Series74F
The SN74ALS257AD is a quad 2-line to 1-line data selector/multiplexer chip. It has four separate data selector/multiplexer circuits in a single integrated circuit. Here are the advantages and application scenarios of SN74ALS257AD:Advantages: 1. Versatility: The SN74ALS257AD allows you to select between two data inputs for each of its four circuits, thereby providing flexibility in data routing and switching. 2. Space-saving: As a quad chip, it offers significant space savings compared to using four individual data selector/multiplexer components. 3. Integration: The chip integrates multiple circuits into a single package, simplifying the design and reducing the number of external components required. 4. Compatibility: It operates with a wide range of supply voltages, making it compatible with various systems. 5. High-speed operation: The SN74ALS257AD is designed for high-speed performance, enabling rapid data selection and multiplexing.Application scenarios: 1. Data routing: The chip can be used in systems where the selection of data from multiple sources or channels is required. It allows you to choose the desired data input and route it to the output, based on control signals. 2. Data selection: In applications where one of the multiple data inputs needs to be selected and connected to a common line, the SN74ALS257AD can be used as a multiplexer. 3. Multi-channel communication systems: It is commonly used in communication systems like data transmission, networking, or telecommunication equipment that require data switching between different channels. 4. Data processing: The chip can be used in digital logic circuits, microprocessors, or other digital systems to select or process data based on various control signals. 5. General-purpose digital systems: The SN74ALS257AD can be used as a versatile component in various digital systems, where data routing, selection, and multiplexing are necessary.It's important to note that the specific application of the SN74ALS257AD can vary depending on the overall system requirements and design. It is advisable to refer to the datasheet and consult with an electrical engineer for a detailed understanding and application-specific considerations.
74F139SCX Relevant information