Optimizing Checking-Logic for Reliability-Agnostic Control of Self-Calibrating Designs

Worm, F.; Thiran, Patrick; Ienne, Paolo

doi:10.1109/isqed.2007.113

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…The two extreme conditions can easily be explained: (a) if the signal arrives on time, the delayed latch detects a false error; (b) if the signal arrives too late, even the delayed latch will sample it incorrectly. To overcome this limitation, checker architectures [11] have been proposed in order to enhance the Razor scheme with the capability to detect near critical conditions.…”

Section: Related Workmentioning

confidence: 99%

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Variation tolerant NoC design by means of self-calibrating links

Simone¹,

Lajolo²,

Bertozzi³

2008

2008 Design, Automation and Test in Europe

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We present the implementation and analysis of a variation tolerant version of a switch-to-switch link in a NoC. The goal is to tolerate the effects of process variations on NoC architectures using self-correcting links that automatically detect delay variations and compensate them. The correction is applied without increasing the switch-to-switch latency by substituting the output flip-flops of the sending switch with a self-correcting flip-flop followed by an adaptive voltage swing selector. Higher delay variations will result in a smaller slack in the switch-to-switch path, but the adaptive voltage swing selector could mitigate its impact on the NoC communication by increasing the voltage swing on the link, thus allowing a compensation of the delay variation. As a result, it is possible to tolerate delay variations at the cost of additional power consumption

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Section: Related Workmentioning

confidence: 99%

“…The error is corrected in the same cycle by increasing the clock skew and by compensating it, when needed, with an increased voltage swing on the link. Our technique could be enhanced further by the adoption of coding techniques like those proposed in [11], but this has not been the focus of this work.…”

Section: Related Workmentioning

confidence: 99%