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

74LS138 1-of-8 Line Decoder/Demultiplexer Integrated Circuit

The 74LS138 is a 1-of-8 line decoder and demultiplexer integrated circuit. It decodes one of eight output lines based on three binary select inputs. The IC incorporates three enable inputs for control and cascading. It is designed for high-speed operation. The 74LS138 is suitable for memory decoders and data transmission systems. Its Schottky-clamped design provides stable performance. This component is utilized in digital logic 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:

• 1-of-8 line decoder and demultiplexer function.
• Three binary select inputs (A, B, C).
• Three enable inputs (G1, G2A, G22B) for control and cascading.
• Designed for high-speed operation.
• Schottky-clamped bipolar technology.
• Suitable for memory decoding and data transmission systems.
• Minimizes external components for decoding schemes.

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)

Frequently Asked Questions:

Q: What is the primary function of the 74LS138 IC?
A: The 74LS138 is a 1-of-8 line decoder and demultiplexer integrated circuit.

Q: What are the input requirements for the 74LS138?
A: It requires three binary select inputs (A, B, C) and three enable inputs (G1, G2A, G22B).

Q: What is the typical operating voltage for the 74LS138?
A: The 74LS138 operates within a voltage range of 4.75V to 5.25V, typical for 5V TTL logic.

Package Includes:

*Image shown is a representation only.

Note: Contact sales(at)electroncomponents.com for bulk enquiry & get best price!