2) Introduce a simple modification into the following circuit to change the nature of the D flip- flop from negative-edge-triggered to positive-edge-triggered. Y D. D. D latch D latch (slave) (master) En En CIk

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2) Introduce a simple modification into the following circuit to change the nature of the D flip-
flop from negative-edge-triggered to positive-edge-triggered.
Y
D
D
D latch
(master)
En
D latch
(slave)
En
Clk
3) Show that the following circuit is a positive-edge-triggered D flip-flop.
|CIk
R
D
Transcribed Image Text:2) Introduce a simple modification into the following circuit to change the nature of the D flip- flop from negative-edge-triggered to positive-edge-triggered. Y D D D latch (master) En D latch (slave) En Clk 3) Show that the following circuit is a positive-edge-triggered D flip-flop. |CIk R D
Problem 3: A sequential circuit with two D flip-flops A and B, two inputs, x and y; and one output z is
specified by the following next-state and output equations:
A(t + 1) = xy' + xB(t)
B(t + 1) = xA(t) + xB' (t)
z = A
1) Draw the logic diagram of the circuit.
2) List the state table for the sequential circuit.
3) Draw the corresponding state diagram.
Transcribed Image Text:Problem 3: A sequential circuit with two D flip-flops A and B, two inputs, x and y; and one output z is specified by the following next-state and output equations: A(t + 1) = xy' + xB(t) B(t + 1) = xA(t) + xB' (t) z = A 1) Draw the logic diagram of the circuit. 2) List the state table for the sequential circuit. 3) Draw the corresponding state diagram.
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