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Process variations and circuit aging continue to be a main challenge to the power-efficiency of VLSI circuits, as considerable power budget must be allocated to cushion timing variations. A design-time allocation implies a uniform power spending on all fabricated instances, even if many instances do not have strong variations. Adaptive design provides a power-efficient approach to variation tolerance,...
VLSI circuits of 45 nm technology and beyond are increasingly affected by process variations as well as aging effects. Overcoming the variations inevitably requires additional power expense which in turn aggravates the power and heat problem. Adaptive supply voltage (ASV) is an arguably power-efficient approach for variation resilience since it attempts to allocate power resources only to where the...
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