Practice Building a CMOS D-Latch/Flip-Flop - 2.2 | Lab Module 8: Introduction to Sequential Logic: CMOS D-Latch/Flip-Flop Schematic and Simulation | VLSI Design Lab
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2.2 - Building a CMOS D-Latch/Flip-Flop

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main difference between a latch and a flip-flop?

💡 Hint: Think about when the outputs change in relation to the clock.

Question 2

Easy

Define setup time in relation to flip-flops.

💡 Hint: Consider how long D must be 'ready' before the clock signal changes.

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 does a D-Flip-Flop do?

  • Stores data during clock high
  • Changes output only on clock edges
  • Has no memory

💡 Hint: Focus on how the flip-flop relates to the clock signal.

Question 2

True or False: A latch retains data when the clock signal is low.

  • True
  • False

💡 Hint: Consider when the output changes and retains data.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a D-Flip-Flop that can operate at a clock frequency of 1 GHz. What considerations must you take regarding timing parameters?

💡 Hint: Remember, frequency means how often the clock ticks, and relate it to time.

Question 2

Simulate a D-Latch behavior in a software tool. Identify the clock settings that lead to metastability.

💡 Hint: Try to change D closer to the clock edge in your test setup to observe the effects.

Challenge and get performance evaluation