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(30 pts).Given the input and clock transitions in the following figure indicate the output of a...
1. a) Complete the waveform templates for the Master –Slave D-flip-flop below with given D, CLK,...
1.
a) Complete the waveform templates for the Master –Slave
D-flip-flop below with given D, CLK, CLEAR, and PRESET signals.
Neglect the propagation delays.
b) Does it have positive or negative edge triggering with
respect to CLK?
c) Are the asynchronous PRESET and CLEAR active-high or
active-low?
2. Enabling of data load in the D-flip-flop was implemented with
a 2-to-1 multiplexer as show below. The D-flip-flop has the
positive edge triggering and the active-low asynchronous clear.
a) Is the Enable...
23. A J-K flip-flop has a l on the J input and a 0 on the...
23. A J-K flip-flop has a l on the J input and a 0 on the K input. What state is the flip-flop in? (a) Q=1,0-0 (b) Q-1, Q-1 (c) Q-0,Q 1 (d) Q-0,Q-0 -24. On a positive edge-triggered S-R flip-flop, the outputs reflect the input condition when (a) the clock pulse is LOW (b) the clock pulse is HIGH (c) the clock pulse transitions from LOW to HIGH (d) the clock pulse transitions from HIGH to LOW 25. The...
Draw waveforms for the indicated latch and flip-flop outputs. The initial value for each output is...
Draw waveforms for the indicated latch and flip-flop outputs.
The initial value for each output is 0 as shown.
CLK D Transparent low latch Q Transparent high latch Q Negative Edge Triggered Flip-flop Q Positive Edge Triggered Flip-flop Q
For the T Flip-flop timing diagram below, determine the value of the flip-flop output Q for...
For the T Flip-flop timing diagram below, determine the value of
the flip-flop output Q for each labeled point in time
(A-H) assuming that Q is zero at time 0
and the clock is positive edge triggered. (Also assume all
setup and hold times are zero.)
For the T Flip-flop timing diagram below, determine the value of the flip-flop output Q for each labeled point in time (A-H) assuming that Q is zero at time 0 and the clock is...
A sequential circuit’s output ____. A. is dependent only on the present combination of input values...
A sequential circuit’s output ____. A. is dependent only on the present combination of input values B. is dependent on the present and the past sequence of input values C. creates a steady and predictable value for all input values D. counts the number of changes that have been made to the input values The next value for an SR-Latch when s = 0, r = 1 is _____. A. 0 B. the previously-stored bit C. 1 D. unknown If...
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop....
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
e Q and Q output waveforms of the flip-flop in Figure 6-18 for the D and...
e Q and Q output waveforms of the flip-flop in Figure 6-18 for the D and CLK inpusts in Figure 6-19.(a). Assume that the positive edge-triggered flip-flop is initially RESEI CLK 4. For the positive edge-triggered J-K flip-flop with preset and clear inputs in Figure 6-27, determine the Q output for the inputs shown in the timing diagram in part (a) if Q is initially LOW CLK 几几几几几几 PRE PRE CLR CLR 5. Use a K-map to reduce the following...
Q D Clock Clk Q Clock Qb Q Qa Q Q Multiple type of flip-flops Circuit...
Q D Clock Clk Q Clock Qb Q Qa Q Q Multiple type of flip-flops Circuit The figure above shows a circuit that use three different types of D flip-flops: a) D latch b) Rising-edge D flip-flop c) Falling-edge flip-flop For each one of the flip-flops enter their output for the times t1.t2.t3.t4 Assume that initially all outputs are '0' D
Name: (4) (10 pts) Design a Moore FSM that has one input A and one output Y, and the output Y should be 1 if A has...
Name: (4) (10 pts) Design a Moore FSM that has one input A and one output Y, and the output Y should be 1 if A has been 101 during the most recent three consecutive clock cycles or A has been 1 during the two most recent consecutive clock cycles. You only need to write down your state transition diagram. (5) (6 pts) Consider the following sequential circuit. Each two-input OR gate has a propagation delay of 130ps and a...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the latches output can change only near the rising edge of the clock True False QUESTION 8 Assuming zero setup and hold times, clocked latches and flip-flops produce the same outputs as long as the inputs do not change while the clock is asserted True False QUESTIONS An edge-triggered D flip-flop requires more internal gates than a similar device constructed from a J-K master-slave flip...
1.
a) Complete the waveform templates for the Master –Slave
D-flip-flop below with given D, CLK, CLEAR, and PRESET signals.
Neglect the propagation delays.
b) Does it have positive or negative edge triggering with
respect to CLK?
c) Are the asynchronous PRESET and CLEAR active-high or
active-low?
2. Enabling of data load in the D-flip-flop was implemented with
a 2-to-1 multiplexer as show below. The D-flip-flop has the
positive edge triggering and the active-low asynchronous clear.
a) Is the Enable...
23. A J-K flip-flop has a l on the J input and a 0 on the K input. What state is the flip-flop in? (a) Q=1,0-0 (b) Q-1, Q-1 (c) Q-0,Q 1 (d) Q-0,Q-0 -24. On a positive edge-triggered S-R flip-flop, the outputs reflect the input condition when (a) the clock pulse is LOW (b) the clock pulse is HIGH (c) the clock pulse transitions from LOW to HIGH (d) the clock pulse transitions from HIGH to LOW 25. The...
Draw waveforms for the indicated latch and flip-flop outputs.
The initial value for each output is 0 as shown.
CLK D Transparent low latch Q Transparent high latch Q Negative Edge Triggered Flip-flop Q Positive Edge Triggered Flip-flop Q
For the T Flip-flop timing diagram below, determine the value of
the flip-flop output Q for each labeled point in time
(A-H) assuming that Q is zero at time 0
and the clock is positive edge triggered. (Also assume all
setup and hold times are zero.)
For the T Flip-flop timing diagram below, determine the value of the flip-flop output Q for each labeled point in time (A-H) assuming that Q is zero at time 0 and the clock is...
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
e Q and Q output waveforms of the flip-flop in Figure 6-18 for the D and CLK inpusts in Figure 6-19.(a). Assume that the positive edge-triggered flip-flop is initially RESEI CLK 4. For the positive edge-triggered J-K flip-flop with preset and clear inputs in Figure 6-27, determine the Q output for the inputs shown in the timing diagram in part (a) if Q is initially LOW CLK 几几几几几几 PRE PRE CLR CLR 5. Use a K-map to reduce the following...
Q D Clock Clk Q Clock Qb Q Qa Q Q Multiple type of flip-flops Circuit The figure above shows a circuit that use three different types of D flip-flops: a) D latch b) Rising-edge D flip-flop c) Falling-edge flip-flop For each one of the flip-flops enter their output for the times t1.t2.t3.t4 Assume that initially all outputs are '0' D
Name: (4) (10 pts) Design a Moore FSM that has one input A and one output Y, and the output Y should be 1 if A has been 101 during the most recent three consecutive clock cycles or A has been 1 during the two most recent consecutive clock cycles. You only need to write down your state transition diagram. (5) (6 pts) Consider the following sequential circuit. Each two-input OR gate has a propagation delay of 130ps and a...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the latches output can change only near the rising edge of the clock True False QUESTION 8 Assuming zero setup and hold times, clocked latches and flip-flops produce the same outputs as long as the inputs do not change while the clock is asserted True False QUESTIONS An edge-triggered D flip-flop requires more internal gates than a similar device constructed from a J-K master-slave flip...
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