CODA: A Concurrent Online Delay Measurement Architecture for Critical Paths

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Provided by: The China Press Berhad
Topic: Hardware
Format: PDF
With technology scaling, integrated circuits behave more unpredictably due to process variation, environmental changes and aging effects. Various variation-aware and adaptive design methodologies have been proposed to tackle this problem. Clearly, more effective solutions can be obtained if the authors are able to collect real-time information such as the actual propagation delay of critical paths when the circuit is running in normal function mode. Motivated by the above, in this paper, they propose a novel concurrent online delay measurement architecture for critical paths, namely CODA, to facilitate this task. Experimental results demonstrate high accuracy and practicality of the proposed technique.
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