Degradation Stochastic Resonance (DSR) in AD-AVG architectures

This paper introduces for the first time the Degradation Stochastic Resonance (DRS) effect observed in the Adaptive Averaging (AD-AVG) architecture. This phenomenon, closely related to the well-known Suprathreshold Stochastic Resonance (SSR), influences the AD-AVG behavior for specific noise conditions and causes a yield improving effect over the degradation in time. In this article we analyze this counter-intuitive effect and explain the most relevant features. We observe, for example, that the yield of 20-input AD-AVG with 0.4 V of noise in the variability monitor increases from 0.93 to 0.97 after particular amounts of degradation.