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Fortifying analog models with equivalence checking and coverage analysis

Published: 13 June 2010 Publication History

Abstract

As analog and digital circuits have become more intertwined, we need to create a validation approach that handles both circuit types gracefully. This paper proposes a model-first approach, where one creates functional models of the analog blocks that will work in a HDL simulator, and then uses these models in the same way as HDL models are used for other standard cells: they are used in the full system validation, and the underlying implementations are validated to ensure they meet this specification. While creating functional models for the analog blocks might seem difficult, almost all analog blocks can be modeled as linear systems and we use this property to help create the required functional model.

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cover image ACM Conferences
DAC '10: Proceedings of the 47th Design Automation Conference
June 2010
1036 pages
ISBN:9781450300025
DOI:10.1145/1837274
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 13 June 2010

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Author Tags

  1. analog validation
  2. design methodology
  3. equivalence checking
  4. fault coverage
  5. formal validation
  6. model-first design

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Cited By

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  • (2022)The CoveRT Approach for Coverage Management in Analog and Mixed-Signal Integrated CircuitsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2022.315768641:12(5695-5708)Online publication date: Dec-2022
  • (2020)CoveRT: A Coverage Reporting Tool for Analog Mixed-Signal Designs2020 33rd International Conference on VLSI Design and 2020 19th International Conference on Embedded Systems (VLSID)10.1109/VLSID49098.2020.00038(119-124)Online publication date: Jan-2020
  • (2020)The Notion of Cross Coverage in AMS Design Verification2020 25th Asia and South Pacific Design Automation Conference (ASP-DAC)10.1109/ASP-DAC47756.2020.9045131(217-222)Online publication date: Jan-2020
  • (2019)Automatic Modeling of Transistor Level Circuits by Hybrid Systems with Parameter Variable Matrices2019 16th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD)10.1109/SMACD.2019.8795271(133-136)Online publication date: Jul-2019
  • (2017)Advances in Formal Methods for the Design of Analog/Mixed-Signal SystemsProceedings of the 54th Annual Design Automation Conference 201710.1145/3061639.3072945(1-6)Online publication date: 18-Jun-2017
  • (2017)Novel metrics for Analog Mixed-Signal coverage2017 IEEE 20th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS)10.1109/DDECS.2017.7934589(97-102)Online publication date: Apr-2017
  • (2017)A Framework for Automated Feature Based Mixed-Signal Equivalence CheckingVLSI Design and Test10.1007/978-981-10-7470-7_73(779-791)Online publication date: 21-Dec-2017
  • (2017)Feature-Based State Space Coverage Metric for Analog Circuit VerificationLanguages, Design Methods, and Tools for Electronic System Design10.1007/978-3-319-62920-9_5(83-101)Online publication date: 11-Nov-2017
  • (2017)Formal Techniques for Verification and Coverage Analysis of Analog SystemsFormal System Verification10.1007/978-3-319-57685-5_1(1-35)Online publication date: 22-Jun-2017
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