ON Semiconductor MC74HC138AN 3-to-8 Line Decoder/Demultiplexer

The ON Semiconductor MC74HC138AN is a high-performance, integrated circuit designed to address the need for efficient decoding and demultiplexing in digital systems. This 3-to-8 line decoder/demultiplexer IC is part of the high-speed CMOS range and is well-suited for applications that require the conversion of a binary input to a selected output line, enabling the control of multiple devices from a single input line.

Key Features

• Logic Type: 3-to-8 Line Decoder/Demultiplexer
• Operating Voltage Range: 2V to 6V, accommodating a variety of logic levels and providing designers with flexibility in different voltage environments.
• High Noise Immunity: Characteristic of the CMOS technology, this IC ensures stable performance in electrically noisy conditions.
• Low Power Consumption: The MC74HC138AN is designed for optimized power usage, making it ideal for battery-operated devices.
• Output Drive Capability: Capable of driving up to 10 LSTTL loads, which allows for direct interface with other logic families.
• Multiple Decoding or Demultiplexing Modes: Including address decoding with three binary select inputs (A, B, and C), two enable inputs for demultiplexing, and cascading for larger demultiplexing units.

Applications

The versatile nature of the MC74HC138AN allows it to be used in a wide array of applications such as:

• Memory chip select decoding
• Data routing and multiplexing
• Control signal generation for multiple peripheral devices
• Industrial control systems
• Robotics and automation systems

Package and Quality

The MC74HC138AN is offered in a 16-pin DIP (Dual In-line Package), which is suitable for through-hole mounting, making it easy to integrate into a variety of circuit boards. ON Semiconductor's commitment to quality ensures that each IC meets stringent standards for reliability and performance.

Whether you're designing a complex digital system or simply need to control multiple outputs from a single digital line, the ON Semiconductor MC74HC138AN provides a reliable and efficient solution that engineers can trust.