2) Consider a sequential circuit shown in Fig. 3. The characteristic equation and table of the SR and JK type flip-flops are given in Fig. 4. a) b) How many states does the circuit have? Obtain the state transition table. Obtain the state diagram. FR 00 01 11 10 1 0 0 0 k 1 1 0 k 1 Ji yi S2 y2 y SR Y 0 0 0 10 0 0 1 0 0 1 0 1 0 1 1 undefined 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 undefined Y=S+R'y K1 yi R2 y2 JK 00 01 11 10 1 1 X 0 0 0 1 1 0 0 1 Clock signal Y=Jy'+K'y y J KY 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 0 Figure 3 Figure 4