Digital Electronics - Digital Concepts - Discussion

Flip flops are also known as bistable-multivibrator.

CLOCK signals is binary inputs.

Can anyone explain what is an clock signal?

The output of a flip-flop can be changed by bringing a small change in the input signal. This small change can be brought with the help of a clock pulse or commonly known as a trigger pulse. When such a trigger pulse is applied to the input, the output changes and thus the flip-flop is said to be triggered.

What is triggering?

What about a function of flip-flop?

Latches and flip-flops are the basic elements for storing information. One latch or flip-flop can store one bit of information.

The main difference between latches and flip-flops is that for latches, their outputs are constantly affected by their inputs as long as the enable signal is asserted.

In other words, when they are enabled, their content changes immediately when their inputs change. Flip-flops, on the other hand, have their content change only either at the rising or falling edge of the enable signal.

This enables signal is usually the controlling clock signal. After the rising or falling edge of the clock, the flip-flop content remains constant even if the input changes.

Flip-flops samples the input signals and changes the output signal according to the input. Flip flops requires clock signal and latch whereas latch doesn't require any clock signals.

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