T Flip flop

Figure  shows the logic circuit of T flipflop in which J and K inputs of a JK flip flop are combined and taken as a single input T. When T = 0, output of T flipflop will remain as it was previously. When T = 1, output of T flipflop will be complement of its previous output and hence this circuit is known as toggle circuit.

Logic symbol of T Flipflop
Logic symbol of T Flipflop

Logic Diagram of T Flipflop
Logic Diagram of T Flipflop 


Q
T
Q(t+1)
0
0
0
1
0
1
0
1
1
1
1
0
Transition table of T flipflop



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