ON Semiconductor MC74AC138D Decoder/Demultiplexer

The MC74AC138D from ON Semiconductor is a high-performance, 3-to-8 line decoder/demultiplexer incorporated with advanced CMOS technology. This integrated circuit is designed to facilitate the decoding of three binary-coded inputs into one of eight mutually exclusive outputs. It is an essential component for applications requiring the distribution of a single input signal into multiple output lines.

Key Features:

• Logic Type: Decoder/Demultiplexer
• Number of Circuits: 1
• Number of Inputs: 3
• Number of Outputs: 8
• Input Voltage: 2 V to 6 V
• Output Current: 24 mA
• Propagation Delay Time: 6 ns at 5 V
• Operating Temperature: -55°C to +125°C
• Mounting Type: Surface Mount
• Package / Case: SOIC-16

Product Description:

The MC74AC138D is specifically crafted for high-speed memory decoding or data routing applications. It is widely used in systems where it is necessary to address multiple memory locations or I/O interfaces. The device features three enable inputs, two active-low and one active-high, to simplify the cascading of decoders, which is particularly advantageous when implementing high-order decoding.

With its wide operating voltage range and high noise immunity characteristic of CMOS technology, the MC74AC138D is suitable for use in a variety of digital applications. The low power consumption and fast switching speeds make it an ideal choice for battery-operated and high-speed systems, respectively.

The MC74AC138D is available in a compact SOIC-16 package, making it convenient for use in space-constrained applications. Its surface-mount design allows for efficient assembly in printed circuit boards, contributing to a reduction in manufacturing time and costs.

Applications:

• Memory Decoding
• Data Routing
• Multiple Output Control
• Address Decoding in Microprocessor Systems
• Communication Systems
• Instrumentation and Control Systems