Prerequisite – Flip-flop

Here, we will discuss the process of conversion of S-R Flip-Flop into a T Flip-Flop using an example.

**Rules for conversion:**

**Step-1:**

Find the characteristics table of required flip-flop and the excitation table of the existing (given) flip-flop.**Step-2:**

Find the expression of given flip-flop in terms of required flip-flop using K-map.**Step-3:**

Find the circuit diagram of required flip-flop.

**S-R Flip-Flop to T Flip-Flop:**

Following is the characteristics table of T flip-flop and excitation table of S-R flip-flop.

Now, using K-map we get the expression for of S & R in terms of T.

**S = TQn’** & **R = TQn**

Therefore, the circuit diagram for conversion of S-R flip-flop into T flip-flop is:

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