Basics and Overview of Flip Flops A flip flop is an electronic circuit with two stable states that can be used to store binary data. The stored data can be changed by applying varying inputs. Flip-flops and latches are fundamental building blocks of digital electronics systems used in computers, communications, and many other types of systems. Flip-flops and latches are used as data storage elements. It is the basic storage element in sequential logic. But first let’s clarify the difference between a latch and a flip flop. Flip flop v/s Latch The basic difference between a latch and a flip-flop is a gating or clocking mechanism. For example, let us talk about SR latch and SR flip-flops. In this circuit when you Set S as active the output Q would be high and Q’ will be low. This is irrespective of anything else. (This is an active low circuit so active here means low, but for an active high circuit active would mean high) SR Latch A flip flop on the other hand is...
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