Harris Corporation Tariff Inquiry

CD74HC138M

CD74HC138M Description

The CD74HC138M is a high-speed CMOS 3-to-8 line decoder/demultiplexer, designed to provide efficient signal decoding and demultiplexing in a variety of electronic systems. Manufactured by Harris Corporation, this component is part of the 74HC series, renowned for its robust performance and reliability. The CD74HC138M features a single 3-to-8 line decoding circuit, making it ideal for applications requiring precise control and distribution of signals.

CD74HC138M Features

• Circuit Configuration: The CD74HC138M includes a single 3-to-8 line decoding circuit, enabling the conversion of 3-bit binary input to 8 unique output lines. This configuration is highly efficient for applications requiring multiple output signals from a limited number of input lines.
• Voltage Supply: The device operates on a single supply voltage ranging from 2V to 6V, providing flexibility in power supply options and ensuring compatibility with a wide range of systems.
• Output Current: The CD74HC138M can source and sink up to 5.2mA per output, making it suitable for driving various types of loads, including LEDs and small relays.
• Mounting Type: The surface mount package (16SOIC) allows for compact and reliable integration into modern printed circuit board (PCB) designs, facilitating high-density layouts and easy assembly.
• Package Type: The CD74HC138M is available in a tube package, which ensures safe handling and storage, reducing the risk of damage during transportation and assembly.
• Product Status: Although the CD74HC138M is now considered obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.

CD74HC138M Applications

The CD74HC138M is well-suited for a variety of applications, including:

• Digital Systems: Ideal for use in digital systems where multiple output signals need to be generated from a limited number of input lines. This includes microcontroller applications, digital signal processing, and control systems.
• Memory Decoding: Used in memory systems to decode address lines, enabling efficient access to specific memory locations.
• Multiplexing and Demultiplexing: Effective in multiplexing and demultiplexing applications, where data signals need to be routed to different destinations based on control inputs.
• Peripheral Control: Suitable for controlling peripheral devices, such as displays, sensors, and actuators, by providing multiple control signals from a single input source.

Conclusion of CD74HC138M

The CD74HC138M is a versatile and reliable decoder/demultiplexer, offering significant benefits in terms of signal decoding and demultiplexing efficiency. Its single 3-to-8 line decoding circuit, combined with a wide operating voltage range and robust output current capabilities, makes it an excellent choice for a variety of digital and control applications. Despite its obsolete status, the CD74HC138M continues to provide reliable performance in legacy systems and specific applications where its unique features are still highly valued.