Homework Answers
Representation of states s0,s1,s2,s3 .
X,Y are inputs have 4 States
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3. (20 points) For the circuit given below, draw the state machine diagram. CLK A' CLK...
resetn clk- PROBLEM 3 (20 PTS) . Given the following State Machine Diagram. (10 pts). ✓...
resetn clk- PROBLEM 3 (20 PTS) . Given the following State Machine Diagram. (10 pts). ✓ Provide the State Diagram (any representation) and the Excitation Table, ✓ Provide the Excitation equations and the Boolean equation for z. w: input, z: output, lilo: state.
1. Given the state diagram shown below for a state machine with one-bit input W and two-bit outpu...
1. Given the state diagram shown below for a state machine with
one-bit input W and two-bit output Z:
a. (20 points) Using the state assignments below, make the
state-assigned table. Let S0 = 001, S1 = 010, and S2 = 100.
b. (20 points) Let the state variables be Y2, Y1, and Y0. Derive
an expression for each of the next state variables.
c. (10 points) Derive expressions for the output of this state
diagram.
d. (20 points) Draw...
Finish C and D 3) The circuit pictured below is a clocked synchronous state machine with...
Finish C and D
3) The circuit pictured below is a clocked synchronous state machine with state variables 02, 01,and Q0.(20 points) 02 01 CLK a) Determine the state equations for 02*, 01*,00* (6 points) Form A
4. (20 points) Draw a state diagram for Mealy Machine that your state diagram minimum? Prove it. accepts every occurrence of the staring 10101. I 4. (20 points) Draw a state diagram for Meal...
4. (20 points) Draw a state diagram for Mealy Machine that your state diagram minimum? Prove it. accepts every occurrence of the staring 10101. I
4. (20 points) Draw a state diagram for Mealy Machine that your state diagram minimum? Prove it. accepts every occurrence of the staring 10101. I
SEQUENCE is 101 In Lab Procedure 1. Draw the state diagram of the state machine below...
SEQUENCE is 101
In Lab Procedure
1. Draw the state diagram of the state machine below and show it
to the lab instructor.
2. Fill the state table.
3. Assign State numbers
4. Find simplified Expressions (State Equations) for the
flip-flops
5. Draw the circuit diagram using NAND GATES ONLY for the state
machine
STATE DIAGRAM::
STATE TABLE::
State Table Next State Qc Y DA DB Dc Present State QA Qв 0 0 0 0 0 0 0 0 0...
Suppose a sequential logic circuit has an input X and a clock input CLK. The outputs...
Suppose a sequential logic circuit has an input X and a clock input CLK. The outputs are Qi,Qo, and Y, and the next state table is as shown below Q00 X-0 X=1 01 10 01 10 0 0 0 a) Is this a Moore circuit or Mealy circuit? b) What does this cireuit do when the input X - c) What does this circuit do when the input X 1? d) Suppose the initial values of the state are QiQ...
Study the following circuit and corresponding waveforms: a) D Q Clock CLK Q Undefined 01 02...
Study the following circuit and corresponding waveforms: a) D Q Clock CLK Q Undefined 01 02 Undefined Q Undefined Undefined Undefined Identify the waveforms that correspond to Qa, Qb and Qc. Provide the name of the components that produce Qa, Qb and Qc. (Note: one answer is none of the above.) (6 marks) b) Study the following circuit: D D D CLK CLK CLK CLK Explain why this will not implement a shift register. Your answer should include a waveform...
b) For the circuit below, draw the timing diagram for outputs X and Y for the...
b) For the circuit below, draw the timing diagram for outputs X and Y for the CLK signal shown below. Note that the flip-flops are negative-edge-triggered. Ignore the propagation delays. Assume X=Y=0 at the start. (6 Points) LO 7x CLK CLK d oo Loy CLK
3. (16 pts.) A sequential circuit design is shown in the following diagram CLK CLK Frt Trl Frl FF1 D-FF clk-to-q propagation delay tpcq 15 ps D-FF clk-to-q contamination delay tccq-10 ps D-FF dat...
3. (16 pts.) A sequential circuit design is shown in the following diagram CLK CLK Frt Trl Frl FF1 D-FF clk-to-q propagation delay tpcq 15 ps D-FF clk-to-q contamination delay tccq-10 ps D-FF data setup time ts-15 ps D-FF data hold time th = 10 ps Gate 2-input NAND 2-input NOR 2-input XOIR NOT Tpd(ps) Tea(ps) 15 25 35 10 10 15 25 (8 pts.) Calculate the maximum clock frequency for reliable operation assuming there is no clock skew (8...
2. (20 points) Instead of using a Moore machine to implement the sequence detector in problem...
2. (20 points) Instead of using a Moore machine to implement the sequence detector in problem 1, derive a state diagram for a Mealy machine that will perform this operation. 1. (20 points) For this problem, we want to design a circuit that checks for the input sequence 00101. Your circuit will have a one-bit input W and a one-bit output Z where Z-1 if the last five values of W observed on each positive edge of the clock are...
resetn clk- PROBLEM 3 (20 PTS) . Given the following State Machine Diagram. (10 pts). ✓ Provide the State Diagram (any representation) and the Excitation Table, ✓ Provide the Excitation equations and the Boolean equation for z. w: input, z: output, lilo: state.
1. Given the state diagram shown below for a state machine with
one-bit input W and two-bit output Z:
a. (20 points) Using the state assignments below, make the
state-assigned table. Let S0 = 001, S1 = 010, and S2 = 100.
b. (20 points) Let the state variables be Y2, Y1, and Y0. Derive
an expression for each of the next state variables.
c. (10 points) Derive expressions for the output of this state
diagram.
d. (20 points) Draw...
Finish C and D
3) The circuit pictured below is a clocked synchronous state machine with state variables 02, 01,and Q0.(20 points) 02 01 CLK a) Determine the state equations for 02*, 01*,00* (6 points) Form A
4. (20 points) Draw a state diagram for Mealy Machine that your state diagram minimum? Prove it. accepts every occurrence of the staring 10101. I
4. (20 points) Draw a state diagram for Mealy Machine that your state diagram minimum? Prove it. accepts every occurrence of the staring 10101. I
SEQUENCE is 101
In Lab Procedure
1. Draw the state diagram of the state machine below and show it
to the lab instructor.
2. Fill the state table.
3. Assign State numbers
4. Find simplified Expressions (State Equations) for the
flip-flops
5. Draw the circuit diagram using NAND GATES ONLY for the state
machine
STATE DIAGRAM::
STATE TABLE::
State Table Next State Qc Y DA DB Dc Present State QA Qв 0 0 0 0 0 0 0 0 0...
Suppose a sequential logic circuit has an input X and a clock input CLK. The outputs are Qi,Qo, and Y, and the next state table is as shown below Q00 X-0 X=1 01 10 01 10 0 0 0 a) Is this a Moore circuit or Mealy circuit? b) What does this cireuit do when the input X - c) What does this circuit do when the input X 1? d) Suppose the initial values of the state are QiQ...
Study the following circuit and corresponding waveforms: a) D Q Clock CLK Q Undefined 01 02 Undefined Q Undefined Undefined Undefined Identify the waveforms that correspond to Qa, Qb and Qc. Provide the name of the components that produce Qa, Qb and Qc. (Note: one answer is none of the above.) (6 marks) b) Study the following circuit: D D D CLK CLK CLK CLK Explain why this will not implement a shift register. Your answer should include a waveform...
b) For the circuit below, draw the timing diagram for outputs X and Y for the CLK signal shown below. Note that the flip-flops are negative-edge-triggered. Ignore the propagation delays. Assume X=Y=0 at the start. (6 Points) LO 7x CLK CLK d oo Loy CLK
3. (16 pts.) A sequential circuit design is shown in the following diagram CLK CLK Frt Trl Frl FF1 D-FF clk-to-q propagation delay tpcq 15 ps D-FF clk-to-q contamination delay tccq-10 ps D-FF data setup time ts-15 ps D-FF data hold time th = 10 ps Gate 2-input NAND 2-input NOR 2-input XOIR NOT Tpd(ps) Tea(ps) 15 25 35 10 10 15 25 (8 pts.) Calculate the maximum clock frequency for reliable operation assuming there is no clock skew (8...
2. (20 points) Instead of using a Moore machine to implement the sequence detector in problem 1, derive a state diagram for a Mealy machine that will perform this operation. 1. (20 points) For this problem, we want to design a circuit that checks for the input sequence 00101. Your circuit will have a one-bit input W and a one-bit output Z where Z-1 if the last five values of W observed on each positive edge of the clock are...
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