Sequential Circuits Analysis

Given: a Sequential Circuit Diagram

Required:

$(1)$ State Equations

$(2)$ State Table

$(3)$ State Diagram

Example $1$: Sequential Circuit D Flip$-$Flop

Circuit Diagram:

D Flip$-$Flop StateEquation:

Q$($t$+1)=$D$($t$)$

Input Equations:

D$1=$

State Equations: $,$A$($t$+$I$)=$

B$($t$+1)=$

Output Equation: y$($t$+1)=$

D$2=$

$(1)$

$(3)$

State Table:

Put input x & present states A&B in $(1)$&$(2)$&$(3)$

to find next states A&B and output y