Design the sequential circuit based on the state transition diagram and state table shown below.
Design the sequential circuit based on the state transition diagram and state table shown below.
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Transcribed Image Text:Design the sequential circuit based on the state transition diagram and state table shown below.
1
0
0
0
0
1
00
1
1
1
The State Table:
SO and SL flip-flops
In = bit Input
Next(A) and Next(B) = next states given a cur
state and an input.
As and Bs are the source of our flip-flop and Ar and Br with the flip-flop reset.
X= do not care = we are going to treat the X as if they were 0 or 1 at our convenience
A
Ar
0
0
In
1
0
1 1
1 0
0
1
0
0
1
1
1 0
Next (A)
01
0
0
0
1
1
1
1
0
10
Next (13)
0
1
0
0
0
1
0
0
As
0
0
0
1
X
X
X
0
X
X
X
0
0
0
0
1
Us
0
1
0
0
0
1
0
0
X
0
1
1
X
0
1
1
a) Derive the minimized flip-flop input equations for As, Ar, Bs and Br, using Karnaugh maps.
Example:
karnaugh map for Br
in AB 00 01 11 10
0
0 1 1 0
1
X 1 1 X
B₁ = B
b) Draw the schematic diagram.
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