74LS138 - 1-of-8 Decoder De-Multiplexer

74LS138 1-of-8 Line Decoder & Demultiplexer IC

The 74LS138 is a high-performance 1-of-8 line decoder and demultiplexer integrated circuit. It is an essential component for a wide range of digital logic applications. This IC efficiently decodes one of eight output lines based on three binary select inputs. It also features three enable inputs for enhanced control. Engineered for high-speed operation, the 74LS138 excels in critical timing environments. It is particularly well-suited for memory decoders and advanced data transmission systems. The multiple enable inputs simplify cascading, allowing for complex decoding schemes like 24-line or 32-line decoders with minimal external components. Its robust Schottky-clamped design ensures reliable and stable performance. This versatile IC is perfect for engineers and hobbyists building efficient and compact digital circuits.

Specifications:

• Function: 1-of-8 Line Decoder / Demultiplexer
• Logic Family: 74LS Series (Low-Power Schottky)
• Inputs: 3 Binary Select (A, B, C), 3 Enable (G1, G2A, G22B)
• Outputs: 8 (Y0-Y7)
• Operating Voltage: 4.75V to 5.25V (Typical 5V TTL)
• Output Type: Active-Low
• Technology: Schottky-Clamped Bipolar
• Package Type: DIP-16 (Dual In-line Package)
• Propagation Delay: Typically 21 ns (Data to Output)

Key features and benefits:

• High-performance 1-of-8 line decoder and demultiplexer
• Features three binary select inputs for precise control
• Includes three enable inputs for simplified cascading
• Engineered for high-speed operation in critical timing environments
• Robust Schottky-clamped design ensures reliable performance
• Ideal for memory decoding and data transmission systems
• Minimizes external components for complex decoding schemes
• Versatile component for various digital logic applications

Applications:

• Memory decoding systems
• Advanced data transmission
• General digital logic circuits
• Address decoding
• Data routing and multiplexing
• Implementing complex decoding schemes (e.g., 24-line, 32-line)

Package Includes:

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