Practice Retiming - 4.4.2 | 4. Optimization Techniques in Logic Synthesis | CAD for VLSI
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is retiming?

πŸ’‘ Hint: Consider how it relates to clock frequency and circuit function.

Question 2

Easy

Give an example of a potential benefit of using retiming.

πŸ’‘ Hint: Think about performance enhancements.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main purpose of retiming?

  • To change the logic of the circuit
  • To improve circuit timing
  • To reduce area

πŸ’‘ Hint: Think about the benefits of optimization.

Question 2

Retiming can change the placement of flip-flops. True or False?

πŸ’‘ Hint: Consider the impact of flip-flops on timing.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a circuit with three paths: path A has a delay of 10 ns, path B has a delay of 12 ns, and path C has a delay of 8 ns. If retiming moves a flip-flop from path B to path A, what is the potential new delay for path A, assuming both paths are balanced after retiming?

πŸ’‘ Hint: Think about the effects of shifting flip-flops on path delays.

Question 2

You are designing a circuit requiring a clock frequency of 200 MHz, but your retiming analysis indicates a critical path delay of 6 ns. After retiming, you achieve a delay of 4 ns. What is the new clock frequency, and does it meet the design requirement?

πŸ’‘ Hint: Use the formula for frequency and consider how retiming improves delays.

Challenge and get performance evaluation