Practice Step 3: Energy-efficient Sequential Components (5.5) - Energy-Efficient Components and Architectures in CMOS and FinFETs

Practice: Step 3: Energy-Efficient Sequential Components

Lesson 5.5Energy-Efficient Components and Architectures in CMOS and FinFETs

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9 questions

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6 sample questions

Question 1.
What are latches used for in digital circuits?
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Think about how they maintain state.
Question 2.
Name one technique used to reduce power consumption in flip-flops.
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Consider methods to turn off the clock.
3Question 3.
What method can be used to reduce power consumption in flip-flops?
- Clock Gating
- Increasing Voltage
- Wider Transistors
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Think about techniques that enable sleep modes for components.
4Question 4.
True or False: Dual-edge triggered flip-flops can use both the rising and falling clock edges.
- True
- False
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Consider how data transition along a clock signal might double the operational efficiency.
Question 5.
Calculate the effective power savings when implementing dual-edge triggered flip-flops, given that traditional flip-flops operate at 1 GHz and dual-edge flip-flops operate at 500 MHz while maintaining the performance throughput.
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Apply the power formula P = CV^2F, where shortening frequency reduces power proportionally.
Question 6.
Analyze a circuit with standard flip-flops consuming 100 mW and determine the expected power consumption if retention flip-flops are utilized, given that they can save 20% of power.
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Calculate the percentage savings carefully to find total consumption.

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