Title | ||
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Setup and Hold Timing Violations Induced by Process Variations, in a Digital Multiplier |
Abstract | ||
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This article aims at highlighting new design issues coming from the increasing sensitivity of digital circuits towards process variability. CAD tools and current design methodologies are not anymore efficient to tackle such aspects. In particular variability is increasing the difficulty to identify setup and hold time violations. This paper is a study of failure probabilities considering device process variations on several long and short paths extracted from a RTL MAC Multiplier-Accumulator physical synthesis. This study is based on a Statistical Static Timing Analysis method, used on combinatory cells, mixed with Monte Carlo Analysis applied on sequential cells. This allows the manipulation of probability distribution functions and thus, to keep all the variability information. Setup time, hold time, and delay propagation variation figures are extracted thanks to this methodology. Several results on combinatory paths and flip-flop cells are given to underline the variability impacts. |
Year | DOI | Venue |
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2008 | 10.1109/ISVLSI.2008.70 | Montpellier |
Keywords | Field | DocType |
combinatory cell,monte carlo analysis,particular variability,process variations,digital multiplier,statistical static timing analysis,combinatory path,variability information,variability impact,setup time,process variability,time violation,probability distribution function,design methodology,design automation,monte carlo,propagation delay,digital circuits,correlation,process variation,data mining,variability,monte carlo methods,probability distribution,solid modeling | Digital electronics,Monte Carlo method,Statistical static timing analysis,Propagation delay,Computer science,Real-time computing,Multiplier (economics),Electronic design automation,Probability distribution,Solid modeling,Computer engineering | Conference |
ISBN | Citations | PageRank |
978-0-7695-3170-0 | 0 | 0.34 |
References | Authors | |
5 | 7 |
Name | Order | Citations | PageRank |
---|---|---|---|
B. Rebaud | 1 | 7 | 0.85 |
M. Belleville | 2 | 13 | 2.45 |
C. Bernard | 3 | 2 | 1.07 |
Z. Wu | 4 | 14 | 4.56 |
M. Robert | 5 | 14 | 1.95 |
P. Maurine | 6 | 142 | 14.46 |
N. Azemard | 7 | 104 | 14.17 |