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Computer Engineering
Consider the circuit above where the combinational circuit is represented by comb and clock skew is represented by tskew. Given the following parameters: Flip-Flop hold time = 2 ns Flip-Flop setup time = 10 ns Flip-Flop propagation delay = 12 to 20 ns Tcomb 15 ns to 7 ns Tcomb 26 ns to 11 ns a) (3 points): What is the minimum clock period with takew] = 0; takew2 = 3? b) (3 Points): Setup Tcomb1 = 1 to 4 ns. Is there a setup time violation for the middle flip-flop? If no, what is the setup time margin? c) (3 Points): Setup Tcomb2 = 1 to 4 ns. Is there a hold-time violation for the middle flip-flop? If no, what is the hold-time margin? d) (3 Points): What are the minimum values of tskewl and takew2 that will fix the violations? e) (3 Points): What is the minimum clock period after violations have been fixed?

Consider the circuit above where the combinational circuit is represented by comb and clock skew is represented by tskew. Given the following parameters: Flip-Flop hold time = 2 ns Flip-Flop setup time = 10 ns Flip-Flop propagation delay = 12 to 20 ns Tcomb 15 ns to 7 ns Tcomb 26 ns to 11 ns a) (3 points): What is the minimum clock period with takew] = 0; takew2 = 3? b) (3 Points): Setup Tcomb1 = 1 to 4 ns. Is there a setup time violation for the middle flip-flop? If no, what is the setup time margin? c) (3 Points): Setup Tcomb2 = 1 to 4 ns. Is there a hold-time violation for the middle flip-flop? If no, what is the hold-time margin? d) (3 Points): What are the minimum values of tskewl and takew2 that will fix the violations? e) (3 Points): What is the minimum clock period after violations have been fixed?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the circuit above where the combinational circuit is represented
by comb and clock skew is represented by tskew. Given the following
parameters:
Flip-Flop hold time = 2 ns
Flip-Flop setup time = 10 ns
Flip-Flop propagation delay = 12 to 20 ns
Tcomb 1 ➔ 5 ns to 7 ns
Tcomb 2 ➔ 6 ns to 11 ns  

Clock- skew! D₁ Q₁comb1 D2 Q2 comb2D3 Q3 CK CK CK skew2 Consider the circuit above where the combinational circuit is represented by comb and clock skew is represented by tskew. Given the following parameters: Flip-Flop hold time = 2 ns Flip-Flop setup time = 10 ns Flip-Flop propagation delay = 12 to 20 ns Tcomb 15 ns to 7 ns Tcomb 26 ns to 11 ns a) (3 points): What is the minimum clock period with tskew1 = 0; tskew2 = 3? b) (3 Points): Setup Tcomb1 = 1 to 4 ns. Is there a setup time violation for the middle flip-flop? If no, what is the setup time margin? c) (3 Points): Setup Tcomb2 = 1 to 4 ns. Is there a hold-time violation for the middle flip-flop? If no, what is the hold-time margin? d) (3 Points): What are the minimum values of tskewl and tskew2 that will fix the violations? e) (3 Points): What is the minimum clock period after violations have been fixed?
Transcribed Image Text:Clock- skew! D₁ Q₁comb1 D2 Q2 comb2D3 Q3 CK CK CK skew2 Consider the circuit above where the combinational circuit is represented by comb and clock skew is represented by tskew. Given the following parameters: Flip-Flop hold time = 2 ns Flip-Flop setup time = 10 ns Flip-Flop propagation delay = 12 to 20 ns Tcomb 15 ns to 7 ns Tcomb 26 ns to 11 ns a) (3 points): What is the minimum clock period with tskew1 = 0; tskew2 = 3? b) (3 Points): Setup Tcomb1 = 1 to 4 ns. Is there a setup time violation for the middle flip-flop? If no, what is the setup time margin? c) (3 Points): Setup Tcomb2 = 1 to 4 ns. Is there a hold-time violation for the middle flip-flop? If no, what is the hold-time margin? d) (3 Points): What are the minimum values of tskewl and tskew2 that will fix the violations? e) (3 Points): What is the minimum clock period after violations have been fixed?
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