Once the outputs are established, the wiring of the circuit is maintained until “S” or “R” go high, or power is turned off. In this system, when you Set “S” as active the output “Q” would be high and “Q ‘” will be low. This simple flip-flop circuit has a set input (S) and a reset input (R). There are majorly 4 types of flip-flops, with the most common one being SR flip-flop. Let’s look at the types of flip-flops to understand better. Otherwise, even if the S or R is active the data will not change. the stored data is changed) only when you give an active clock signal. ![]() In this circuit diagram, the output is changed (i.e. ![]() ![]() (This is an active-low circuit so active here means low, but for an active high circuit active would mean high) SR LatchĪ flip-flop, on the other hand, is synchronous and is also known as a gated or clocked SR latch. In this circuit when you Set S as active the output Q would be high and Q’ will be Low. For example, let us talk about SR latch and SR flip-flops.
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