• In the circuit below, each register has a clock-to-Q propagation delay of 0.3ns and a...
(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...
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...
Given the register/combinational logic circuitry below, determine if the setup time constraint and hold time constraint are met. If not, what can be done? What is the maximum clock frequency allowed? Given: Timing characteristics of the registers (Flip Flops): CLK1 CLK2 tsu 55 ps(setup time) th 70ps (hold time) teq -30 ps (contamination delay) toce 45 ps (propagation delay) Timing characteristics of each gate: tpd 35 ps (propagation delay) ted 20 ps (contamination delay) The skew between the two clocks...
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...
(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...
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...
Please show all the work. Thanks QUESTION 1 Consider the following circuit. Given that XOR and AND gates have an input to output delay of 10 ns, the D Flip-Flops have a delay of 20 ns from clock to Q-output, and the minimum setup time of the D Flip-Flops is 8 ns, hold time of the D-FF is 5 ns. (a) what is the maximum frequency (in MHz) that this counter can be clocked before it fails? (b) Does the...
Design an electronic lock system. This system has 2 inputs: A and B. This system will be unlocked when the sequence BBA is pressed. State diagram of this electronic lock system is shown below. - Draw a circuit diagram and find the maximum clock frequency of your circuit. Check if this circuit violates any hold time violation Note: 1) This circuit is a Moore machine 2) Please assign each state as follows, XO = 00, x1 = 01, X2 =...
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...
What is the frequeney o f2)? What is the duty cycle of the wav delay of 10 ns, what is the waveform on Q2. in terms of the clock frequency (e. f the waveform on Q27 If cach gate has a propagation e maximun delay to a valid count, and at what count Freure 26 27. Use the circuit of Figure 27 to answer these questions. asynchronous? Should CTEN be HI or LO so that the counter is operational? What...