CD74HC138E

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Logic circuits are used to control and manage information flow. They often require many different signals to be processed, allowing them to perform specific functions. One device used to manage these signals is the CD74HC138E, which is classified as a signal switch, multiplexer and decoder. This article will discuss the application field and working principle of the CD74HC138E.

The CD74HC138E is designed to route, switch, and demultiplex multiple digital signals. It features an eight-channel 3-to-8 line decoder, with two active-low active-high enable inputs. It is passive, meaning it requires no supply voltage or external source, and can thus run in extremely low-power conditions with minimal heating. It can operate from -55 to +125°C and is suitable for use in a wide variety of electrical applications, ranging from automotive, industrial and aerospace.

The CD74HC138E uses the concept of time-division multiplexing (TDM) to allow different channels to share the same data. This is done by switching the signal from one channel to another at set intervals, allowing the device to process multiple signals simultaneously. This is done by having an input port, switching the input signal between the channels for time-division multiplexing, and an output port, the demultiplex. The device also has two enable inputs, one active-high, and one active-low, to control the output.

The active-high enable input allows the device to enable its outputs only when a digital signal is applied. The active-low enable input allows the device to enable its outputs even when a digital signal is not applied. Together, these two enable inputs allow the device to be used in a variety of applications, ranging from multiplexing, demultiplexing, routing, and signal switching.

The CD74HC138E is an important piece of hardware for many applications, such as in embedded systems, computer networks, industrial automation systems, aviation, and military systems. It can be used in a variety of combinations with other integrated circuits, such as feedback control systems, temperature sensors, and switches. It is also used extensively in robotic systems and control applications. Its small size and low power requirements make it an ideal choice for applications where space and power are at a premium.

In summary, the CD74HC138E is a useful device for many different applications, allowing users to route, switch, and demultiplex multiple digital signals. It is a passive device, meaning it requires no external source of power, making it suitable for use in low-power conditions. It has an eight-channel 3-to-8 line decoder, and two active-high and active-low enable inputs, which allow the device to be used in a variety of systems and applications. The CD74HC138E is small in size and uses low power, making it an ideal solution in many situations.

The specific data is subject to PDF, and the above content is for reference