Flip-flop is a circuit that maintains a state until directed by input to change the state. A basic flip-flop can be constructed using four-NAND or four-NOR gates.
Types of flip-flops:
- RS Flip Flop
- JK Flip Flop
- D Flip Flop
- T Flip Flop
Logic diagrams and truth tables of the different types of flip-flops are as follows:
S-R Flip Flop :
J-K Flip Flop:
D Flip Flop :
T Flip Flop :
Conversion for FlipFlops :-
Steps To Convert from One FlipFlop to Other :
Let there be required flipflop to be constructed using sub-flipflop:
- Draw the truth table of required flipflop.
- Write the corresponding outputs of sub-flipflop to be used from the excitation table.
- Draw K-Maps using required flipflop inputs and obtain excitation functions for sub-flipflop inputs.
- Construct logic diagram according to the functions obtained.
i) Convert SR To JK FlipFlop
ii) Convert SR To D FlipFlop:
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