MC74HC244ADWG

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 play an important role in many digital circuits. From the very simple digital LED’s of the early digital era to the complex processor of the modern day, logic has played an essential role in enabling circuit functionality. Quite simply, logic devices enable us to make decisions based upon the input of a circuit or system, thus allowing us to create complex and efficient systems.

One type of logic device which has proved incredibly important in the development of digital circuits over recent years is the MC74HC244ADWG. This is a type of integrated circuit (IC), which essentially combines logic, drivers and receivers into one package for simpler implementation in a circuit.

Application field

The main rationale behind the use of the MC74HC244ADWG is efficiency and cost savings. By combining the three separate components into one IC, it is possible to reduce the number of connections and chips needed in a circuit significantly when compared to designing individual drivers, receivers and logic blocks. In addition, the data transfer provided by such ICs is often higher than what could be obtained externally otherwise.

For this reason, the MC74HC244ADWG is widely used and found in a variety of digital circuits. This logic device is popular in industrial, automotive and consumer applications and can be found in computers, audio-visual equipment, toys, digital cameras, and the list goes on.

Working principle

The MC74HC244ADWG is essentially an 8-bit buffer/driver with three-state outputs and an active LOW output enable input. The active LOW output enable input allows the user to select which of the eight outputs should be activated. There are four logic signals which control the input and output of the device and four additional logic signals which are used to control the logic levels of the outputs. These signals are called latches, read strobes, write strobes and reset strobes. When one of these signals is activated, the device will start to transfer data from the inputs to the outputs and vice versa.

The four input/output signals are referred to as “A”, “B”, “C”, and “D” and these carry the data from the inputs to the outputs. The output enable signal, or “OE”, decides which of the eight outputs should be active at a given time. Finally, the “TR” input signal is responsible for injecting an active LOW signal into the output enable line, thus activating all eight outputs at once.

To summarize, the MC74HC244ADWG is an 8-bit buffer, receiver and driver which can transfer data between two circuits using just one chip. It can be used in a wide range of applications and is often the go-to solution when considering how to link two systems.

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