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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...
(20 pts.) For the following circuit, the timing characteristics of the components are summarized below. .Flip-flop:...
(20 pts.) For the following circuit, the timing characteristics of the components are summarized below. .Flip-flop: clock-to-Q maximum delay tpcq 40ps, clock-to-Q minimum delay tec 30ps, setup time tsetup 50ps, hold time thold 60ps Logic gate (each AND, OR, Inverter): propagation delay tpd 35ps, contamination delay ted25ps. FFl Fr3 CLK OUT FF2 CLK Suppose that there is no clock skew. What is the maximum clock frequency of this a. circuit? b. How much clock skew can the circuit tolerate before...
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...
(b) Using a timing diagram showing the clk, Q1 and D2 signals, explain the following timing const...
(b) Using a timing diagram showing the clk, Q1 and D2 signals, explain the following timing constraints for the circuit shown in Figure 2.1 cqtcd 2 old where tod is the contamination delay of the combinational logic 7 marks reg2 reg1 Combinational D2 logic clk. clk Figure 2.1 (c) In the circuit shown in Figure 2.2, the flip-flops have a clock-to-Q contamination delay of 30 ps and a propagation delay of 80 ps. They have a setup time of 50...
5. [10 Pts] Determine the critical path in the following circuit. Also determine the propagation delay...
5. [10 Pts] Determine the critical path in the following circuit. Also determine the propagation delay and contamination delay. Use the gate delays given in the table below Gate NOT 2-input NAND 3-input NAND 2-input NOR 3-input NOR 2-input AND 3-input AND 2-input OR 3-input OlR Ipd (ps) 15 20 30 30 45 ed (ps) 10 15 25 25 35 25 30 30 45 40 40
2. A four-bit addition machine is built with four full adders such that the carry out...
2. A four-bit addition machine is built with four full adders
such that the carry out of the first adder is the carry in to the
second adder, and the carry out of the second is the carry in to
the third, and so on as shown in Figure 2.
The machine has input and output registers and must complete the
addition in one clock cycle.
Each full adder has the following propagation delays: 20 ps from
Cin to Cout...
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...
QUESTION 3 The following synchronizer circuit is composed of flip-flops with a setup time of 2...
QUESTION 3 The following synchronizer circuit is composed of flip-flops with a setup time of 2 ns, a hold time of Ons, and a clock- to-Q delay of Ons B D-FF D-FF A Q S CLK Given the delays above, analyze the circuit above, and fill out the timing diagram below clk A B S clk A O B S. clk B S. QUESTION 4 Analyze the timing diagram from the previous problem. Assuming that A always changes at a...
Question 1 Based on this digital circuit design answer the following questions 14 P Q D...
Question 1 Based on this digital circuit design answer the following questions 14 P Q D 21 L G1 2 D2 Q2 L G21 CLK Which component represents the "Master" Dlatch (Select] Which component represents a D flip-flop Select Component "1" is trigger when G2 is (Select] Component "2" is trigger when the input to Component 3 is Select ] Component "4" is trigger when CLK is (Select] What is the Next State or Characteristic Equation for Component 1 [Select]...
(20 pts.) For the following circuit, the timing characteristics of the components are summarized below. .Flip-flop: clock-to-Q maximum delay tpcq 40ps, clock-to-Q minimum delay tec 30ps, setup time tsetup 50ps, hold time thold 60ps Logic gate (each AND, OR, Inverter): propagation delay tpd 35ps, contamination delay ted25ps. FFl Fr3 CLK OUT FF2 CLK Suppose that there is no clock skew. What is the maximum clock frequency of this a. circuit? b. How much clock skew can the circuit tolerate before...
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...
(b) Using a timing diagram showing the clk, Q1 and D2 signals, explain the following timing constraints for the circuit shown in Figure 2.1 cqtcd 2 old where tod is the contamination delay of the combinational logic 7 marks reg2 reg1 Combinational D2 logic clk. clk Figure 2.1 (c) In the circuit shown in Figure 2.2, the flip-flops have a clock-to-Q contamination delay of 30 ps and a propagation delay of 80 ps. They have a setup time of 50...
5. [10 Pts] Determine the critical path in the following circuit. Also determine the propagation delay and contamination delay. Use the gate delays given in the table below Gate NOT 2-input NAND 3-input NAND 2-input NOR 3-input NOR 2-input AND 3-input AND 2-input OR 3-input OlR Ipd (ps) 15 20 30 30 45 ed (ps) 10 15 25 25 35 25 30 30 45 40 40
2. A four-bit addition machine is built with four full adders
such that the carry out of the first adder is the carry in to the
second adder, and the carry out of the second is the carry in to
the third, and so on as shown in Figure 2.
The machine has input and output registers and must complete the
addition in one clock cycle.
Each full adder has the following propagation delays: 20 ps from
Cin to Cout...
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...
QUESTION 3 The following synchronizer circuit is composed of flip-flops with a setup time of 2 ns, a hold time of Ons, and a clock- to-Q delay of Ons B D-FF D-FF A Q S CLK Given the delays above, analyze the circuit above, and fill out the timing diagram below clk A B S clk A O B S. clk B S. QUESTION 4 Analyze the timing diagram from the previous problem. Assuming that A always changes at a...
Question 1 Based on this digital circuit design answer the following questions 14 P Q D 21 L G1 2 D2 Q2 L G21 CLK Which component represents the "Master" Dlatch (Select] Which component represents a D flip-flop Select Component "1" is trigger when G2 is (Select] Component "2" is trigger when the input to Component 3 is Select ] Component "4" is trigger when CLK is (Select] What is the Next State or Characteristic Equation for Component 1 [Select]...
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