what is flip flop ? explain SR flip flop.
Answers
An SR Flip Flop is an arrangement of logic gates that maintains a stable output even after the inputs are turned off. This simple flip flop circuit has a set input (S) and a reset input (R). The set input causes the output of 0 (top output) and 1 (bottom output).
Flip Flop:- Flip-flops, also called bistable gates, are digital logic circuits that can be in one of two states. Flip-flops maintain their state indefinitely until an input pulse called a trigger is received. When a trigger is received, the flip-flop outputs change state according to defined rules and remain in those states until another trigger is received. Flip-flops can be used to store one bit, or binary digit, of data.
SR flip flop:-
“SR” flip-flop refers to a “set-reset” flip flop with one “set” and one “reset” input. Presenting an appropriate level or transition to the set input causes its “Q” output to have a “high” logic state and its “not Q” output to have a “low” logic state.
Presenting an appropriate level or transition to the reset input causes its “not Q” output to have a “high” logic state and its “Q” output to have a “low” logic state.
Further state characteristics, for example, which define the output conditions with other input conditions, such as the application of certain levels to both inputs simultaneously, depend on the specific design of the flip-flop.
In their simplest form, an S-R flip flop may consist of just two, two-input NOR or NAND gates.
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