7. Power Management and Optimization in CMOS and FinFETs
Power management and optimization strategies are crucial for energy-efficient designs in CMOS and FinFET technologies, addressing challenges such as increased power density and high standby leakage. Various techniques are explored, including voltage and frequency scaling, power gating, and adaptive workload management, all of which are essential in maintaining performance and reliability in power-sensitive applications. The chapter emphasizes the combination of multiple strategies for optimal results, tailored to application requirements.
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What we have learnt
- Active management of power consumption is vital for modern integrated circuits.
- A range of strategies exists for minimizing power at various layers including hardware and architecture.
- Incorporating software and feedback loops enhances power management efficiency.
Key Concepts
- -- DVFS (Dynamic Voltage and Frequency Scaling)
- A technique that allows a system to adjust its voltage and clock frequency according to workload demands.
- -- Power Gating
- A method used to eliminate leakage power by shutting power off to idle components.
- -- FinFET
- A type of transistor designed to improve performance and reduce leakage compared to traditional planar transistors.
- -- MultiVt Technology
- A technique where different threshold voltages are applied to different components to optimize power and performance.
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