SN74AC374PWR Integrated Circuits (ICs)

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Logic - Flip Flops

The SN74AC374PWR is a part of the Flip-flop logic gate family. It is an 8-bit edge-triggered latch/register composed of several dual D-type positive edge-triggered flip-flops in a series. The edge-triggered flip-flops make it possible to store multiple bits of binary information, making it suitable for a range of applications.

Application Field

The SN74AC374PWR can be used in a wide range of applications. These include digital control systems, microprocessor-based systems, programmable logic controllers, memory systems and various other embedded applications. Its presence in digital control systems allow for both large or small numbers of logic stages, as well as its ability to store multiple binary values. Its presence in microprocessor-based systems give those systems the capability to store multiple bits of binary information at the same time, thus allowing for a much larger total amount of information to be readily accessed. In addition, with its presence in programmable logic controllers, the SN74AC374PWR can provide a much higher level of accuracy and response time to external inputs.

Working Principle

The SN74AC374PWR is designed to latch data content at its output port whenever the correct clock (CLK) signal is given. Data will be latched when a rising edge is applied and latched content will be retained until new data is latched. Through this, it is possible to enable multiple stage storage of data. The data is usually loaded to the flip-flop by the data (D) input when the clock signal is given. When the clock is active-HIGH, the rising edge will rely data; this is called positive edge-triggered. If the clock is active-LOW, the falling edge will latch data; this is called negative edge-triggered.

The SN74AC374PWR can also be used as a register (instead of a latch) by connecting the ‘’Clock Enable’’ (CE) input to VDD. With the clock enable active and the clock signal in the opposite state, data will be written to the output only during the active clock period, disregarding the trigger edge.

Conclusion

The SN74AC374PWR is a powerful tool for any application which requires the use of a logic gate which can latch and store data. Its ability to latch data on the rising and falling edges and use the clock enable for passive register mode allows for much finer control over the data being stored. This versatility, along with its other features, make it an essential part of any digital control system or memory system, as well as any other embedded application which needs the ability to store binary data.

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