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SWAT: Simulator for waveform-accurate timing including parameter variations and transistor aging

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents SWAT, a highly optimised statistical timing analyser for digital circuits that combines transistor-level analysis accuracy with gate-level analysis performance. It is based upon a CSM for logic cells which considers transistor aging and process variation. Static timing analysis is performed using a very accurate waveform model. SWAT employs waveform truncation and dedicated solvers to significantly improve analysis performance without noticeable loss of accuracy. Parameter variations and aging can be handled both by Monte Carlo simulations and by a special sensitivity propagation mode, which expresses arrival times as a function of local and global parameter variations. Simulation times for ISCAS85 circuits are less then 2s for nominal and less than 28s for sensitivity mode.

Original languageEnglish
Title of host publicationIntegrated Circuit and System Design
Subtitle of host publicationPower and Timing Modeling, Optimization, and Simulation - 21st International Workshop, PATMOS 2011, Proceedings
Pages193-203
Number of pages11
DOIs
StatePublished - 2011
Event21st International Workshop on Power and Timing Modeling, Optimization, and Simulation, PATMOS 2011 - Madrid, Spain
Duration: 26 Sep 201129 Sep 2011

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume6951 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference21st International Workshop on Power and Timing Modeling, Optimization, and Simulation, PATMOS 2011
Country/TerritorySpain
CityMadrid
Period26/09/1129/09/11

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