Ken Stevens portrait
  • Adjunct Professor, School Of Computing
  • Professor, Elect & Computer Engineering

Publications

  • Guillermo H. Makar, Francisco J. Badenas, Roberto G. Simone, Alehandro Furfaro, Kenneth S. Stevens & Roberto Suaya (2019). Low Power SPI Design Based on Relative Timing Techniques. 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS). pp. 166-169. Published, 11/2019.
  • Mackenzie Wibbels, Harsha Nori, Shomit Das, Dheeraj Takur & Kenneth S. Stevens (2019). A Transmission Line Enabled Clockless Network-on-Chip. IEEE International Symposium on Asynchronous Circuits and Systems (ASYNC). pp. 36-45. Published, 05/2019.
  • Tannu Sharma & Kenneth S. Stevens (2017). Physical Design Variation in Relative Timed Asynchronous Circuits. IEEE Computer Society Annual Symposium on VLSI (ISVLSI). pp. 278-283. Published, 07/2017.
  • Dipanjan Bhadra & Kenneth S. Stevens (2017). Design of a Low Power, Relative Timing based Asynchronous MSP430 Microprocessor. Design, Automation & Test Europe (DATE). pp. 794-799. Published, 05/2017.
  • Jotham V. Manoranjan & Kenneth S. Stevens (2016). Reconfigurable Circuit for Implementation of Family of 4-Phase Latch Protocols. 26th International Conference on Field Programmable Logic and Applications (FPL). pp. 1--4. Published, 09/2016.
  • William Lee, Vikas S. Vij, and Kenneth S. Stevens. ``Timing Path Driven Cycle Cutting for Sequential Controllers''. In ACM Transactions on Design Automation of Electronic Systems (TODAES), Vol. 21, No. 4, Article 64, pp. 1--25, June 2016. Published, 06/2016.
  • Jotham V. Manoranjan and Kenneth S. Stevens. ``Qualifying Relative Timing Constraints for Asynchronous Circuits''. In the International Symposium on Asynchronous Circuits and Systems, pp. 91--98, May 2016. Published, 05/2016.
  • Peter Petre, Charles Martin, Shankar Rao, Daniel Matic, Gabriel Virbila, Jose Cruz-Albrect, Gary Ray, Robert L. Kellogg, and Ken Stevens. ``Real-Time Processor for Ultra-Wide Bandwidth Cognitive EW Receiver''. In Government Microcircuit Applications and Critical Technology Conference, March 2016. Published, 03/2016.
  • Shomit Das and Kenneth S. Stevens. ``Comparison of Channel Protocols for Low Latency, Low Energy Communication over Transmission Lines''. In TAU 2016 Workshop, pp. 15--20, March 2016. Published, 03/2016.
  • Tannu Sharma, William Lee, and Kenneth S. Stevens. ``Relative Placement in Timed Asynchronous Design''. In TAU 2016 Workshop, pp. 120--123, March 2016. Published, 03/2016.
  • Jotham V. Manoranjan and Kenneth S. Stevens. An A-FPGA for Relative Timing Based Asynchronous Designs". In the International Conference on Reconfigurable Computing and FPGAs, pp. 76-81, Dec. 2014. Published, 12/01/2014.
  • Jotham V. Manoranjan and Kenneth S. Stevens. "Burst-Mode Asynchronous Controller Implementation on FPGA Using Relative Timing" In the IX Southern Conference on Programmable Logic (SPL), pp. 89-94, Nov. 2014. Published, 11/01/2014.
  • Dipanjan Bhadra, Vikas S. Vij, and Kenneth S. Stevens. "A Low Power UART Design Based on Asynchronous Techniques". In the IEEE International Midwest Symposium on Circuits and Systems, pp. 21-24, August 2013. Published, 08/2013.
  • Shomit Das, Vikas Vij, and Kenneth S. Stevens. "SAS: Source Asynchronous Signalling Protocol for Asynchronous Handshake Communication Free From Wire Delay Overhead". In the International Symposium on Asynchronous Circuits and Systems, pp. 107-114, May 2013. Published, 05/2013.
  • Shomit Das, Georgios Manetas, Kenneth S. Stevens, and Roberto Suaya. "Leveraging the Geometric Properties of On-Chip Transmission Line Sturctures to Improve Interconnect Performance: A Case Study in 65nm". In the International Symposium on Networks-on-Chip, pp. 1-2, April 2013. Published, 04/2013.
  • Eliyah Kilada and Kenneth S. Stevens. "Design and Verification of Lazy and Hybrid Implementations of the SELF Protocol". In Forward Looking Trends in IC and System Design, J. L. Ayala, D. Atienza, and R. Reis, Eds. Springer, ISBN ISBN 9783642285653, Feb. 2012, Chapter 9, pp. 206--232. Published, 02/2012.
  • Kenneth S. Stevens, Pankaj Golani and Peeter A. Beerel. "Energy and Performance Models for Synchronous and Asynchronous Communication". In IEEE Transactions on Very Large Scale Integration, pp. 369 - 382, Vol. 19, No. 3, March 2011. Published, 03/2011.
  • Junbok You, Daniel Gebhardt, and Kenneth S. Stevens. "Bandwidth Optimization in Asynchronous NoCs by Customizing Link Wire Length" In the International Conference on Computer Design, pp. 455-461, Oct. 2010. Published, 10/2010.
  • Eliyah Kilada, Shomit Das, and Kenneth S. Stevens "Synchronous Elasticization: Considerations for Correct Implementation and MiniMIPS Case Study." In the International Conference on Very Large Scale Integration, VLSI-SOC 2010, pp. 7-12, Sept. 2010. Published, 09/2010.
  • Daniel Gebhardt, Junbok You and Kenneth S. Stevens. "Comparing Energy and Latency of Asynchronous and Synchronous NoCs for Embedded SoCs. In the International Symposium on Networks-on-Chip, pp. 115-122, May 2010. Published, 05/2010.
  • Santosh Nagasai, Kenneth S. Stevens and Graham Birtwistle. "Concurrency Reduction of Untimed Latch Protocols - Theory and Practice." In the International Symposium on Asynchronous Circuits and Systems, pp. 26-37, May 2010. Published, 05/2010.
  • Eliyah Kilada and Kenneth S. Stevens. "Control Network Generator for Latency Insensitive Designs". In Design, Automation & Test Europe, pp. 1773-1778, March 2010. Published, 03/2010.
  • Krishnaji Desai and Kenneth S. Stevens. "Scalable Asynchronous Hardware Protocol Verification for Compositions with Relative Timing". In the TAU 2010 Workshop, March 2010. Published, 03/2010.
  • Yang Xu and Kenneth S. Stevens. "Automatic Synthesis of Computation Interference Constraints for Relative Timing Verification". In the 26th International Conference on Computer Design, pp. 16 - 22, October 2009. Published, 10/01/2009.
  • Hosuk Han and Kenneth S. Stevens. "Clocked and Asynchronous FIFO Characterization and Comparison". In the 17th International Conference on Very Large Scale Integration, October 2009. Published, 10/01/2009.
  • David J. Barnhart, Tanya Vladimirova, Martin N. Sweeting, and Kenneth S. Stevens. "Radiation Hardening by Design of Asynchronous Logic for Hostile Environments". In the IEEE Journal of Solid State Circuits, pp. 1617 - 1628, Vol. 45 No. 5, May 2009. Published, 05/01/2009.
  • Kenneth S. Stevens, Yang Xu, and Vikas Vij. "Characterization of Asynchronous Templates for Integration into Clocked CAD Flows". In the Proceedings of the 15th International Symposium on Asynchronous Circuits and Systems, pp. 151 - 161, May 2009. Published, 05/01/2009.
  • Junbok You, Yang Xu, Hosuk Han, and Kenneth S. Stevens. "Performance Evaluation of Elastic GALS Interfaces and Network Fabric". In Electronic Notes in Theoretical Computer Science. Vol. 200, No. 1, Pages 17-32, February 2008. Published, 02/01/2008.

Research Statement

Ken has degrees in Computer Science and Biology. Prior to joining Utah he worked in industrial research labs at HP and Intel, as well as in academia. His primary skills include VLSI, asynchronous circuits and systems, hardware synthesis and verification, and circuit modeling. Part of his draw to Utah was to merge his engineering skills with biological systems. He is the primary author on three papers which received the best paper award. He holds seven patents. He has donated public domain software including ispell - the international spelling checker, and started a successful software company.

Research Keywords

  • Very Large Scale Integration (VLSI)
  • Integrated Circuits
  • Engineering Design
  • Energy Efficiency
  • Digital Computers or Computing
  • Computer Algorithms

Presentations

  • Invited Panelist on "User Applications". NII Shonan Meeting No. 133 on "Asynchronous Circuit Design and Its Applications: Past, Present and Future". Other, Presented, 05/2019.
  • Week long short course on Relative Timed Asynchronous Design, at UTN, Buenos Aires, Argentina. Other, Presented, 11/2015.
  • Invited Keynote presentation at the 22nd International Workshop on Power and Timing Modeling, Optimization and Simulation (PATMOS) 2012, titled: "It's about Time! Radically improving IC power and performance through relative timing". Invited Talk/Keynote, Presented, 09/05/2012.
    http://conferences.ncl.ac.uk/patmos2012/speakers.h...
  • Daniel Gebhardt and Kenneth S. Stevens. "Power Reduction through Physical Placement of Asynchronous Routers". In the 3rd International Symposium on Networks-on-Chip, p. 92, May 2009. Conference Paper, Refereed, Other, 05/01/2009.
  • Michael C. Hollenbeck, Hoda Abdel-Aty-Zohdy, Ronald Brower, Robert Ewing, and Kenneth Stevens. "Hybrid Polymer-Electrolyte Transistors for Optical Computing". Proceedings of the Nanoscale Science and Engineering Conference. Conference Paper, Refereed, Accepted, 08/2008.
  • Robert L. Ewing, Hoda S. Abdel-Aty-Zohdy, Michael C. Hollenbeck, Ronald W. Brower, and Kenneth S. Stevens. "Fractional-Order Signal Processing using a Polymer-Electrolyte Transistor". In the Proceedings of the Midwest Symposium on Circuits and Systems, pages 601-604, Aug. 2008. Conference Paper, Refereed, Accepted, 08/01/2008.
  • Michael C. Hollenbeck, Kenneth Stevens, Ronald Brower, Robert Ewing and Hoda Abdel-Aty-Zohdy. "Capacitive Ionic Current Measurement in a Polymer-Electrolyte Transistor". In Proceedings of the National Aerospace Electronics Conference, pp. 129-132, July, 2008. Conference Paper, Refereed, Other, 07/01/2008.
  • Daniel Gebhardt, Junbok You, W. Scott Lee, and Kenneth S. Stevens. "Network Simplicity for Latency Insensitive Cores". In the 2nd International Symposium on Network-on-Chip. Pages 209-210, April 2008. Conference Paper, Refereed, Other, 04/01/2008.
  • Graham Birtwistle and Kenneth S. Stevens. "The Family of 4-phase Latch Protocols". In the 14th International Symposium on Asynchronous Circuits and Systems. Pages 71-82, April 2008. Conference Paper, Refereed, Accepted, 04/01/2008.
  • Michael C. Hollenbeck, Hoda Abdel-Aty-Zohdy, Ronald Brower, Robert Ewing, and Kenneth S. Stevens. "Dynamic Response Characteristics of a Novel Electrolyte Transistor". In Proceedings of the COMSOL Conference. Boston, MA. pp. 19-24, October 2007. Conference Paper, Refereed, Other, 10/2007.
  • Krishna Santhanam and Kenneth S. Stevens. "Dynamic Gates with Hysteresis and Configurable Noise Tolerance". In the 15th Annual IFIP International Conference on Very Large Scale Integration (VLSI-SOC). pp. 184-189, October 2007. Conference Paper, Refereed, Other, 10/2007.
  • Kenneth S. Stevens and Florentin Dartu, "Algorithms for MIS Vector Generation and Pruning", in 2006 International Conference on Computer-Aided Design, pp. 408-414, Nov. 2006. Conference Paper, Refereed, Other, 11/2006.

Languages

  • Spanish, functional.

Geographical Regions of Interest

  • Spain

Software Titles

  • Analyze-RT. Formal Verification software for relative timing. Release Date: 12/01/2008. Inventors: Kenneth S. Stevens.