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Timing Correction and Optimization with Adaptive Delay Sequential Elements

Published: 16 February 2004 Publication History

Abstract

This paper introduces Adaptive Delay Sequential Elements (ADSEs). ADSEs are registers that use nonvolatile, floating-gate transistors to tune their internal clock delays. We propose ADSEs for correcting timing violations and optimizing circuit performance. We present an ADSE circuit example, system architecture, and tuning methodology. We present experimental results that demonstrate the correct operation of our example circuit and discuss the die-area impact of using ADSEs. Our experiments also show that voltage and temperature sensitivity ofADSEs are comparable to non-adaptive flip-flops.

References

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{3} C. Diorio, P. Hasler, B. A. Minch, and C. Mead, "Floating-gate MOS synapse transistors," in T. S. Lande (ed.), Neuromorphic Systems Engineering: Neural Networks in Silicon, Boston, MA: Kluwer Academic Publishers, pp. 315-337, 1998.
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{5} M. Figueroa, J. Hyde, T. Humes, and C. Diorio, "A floating-gate trimmable high-resolution DAC in standard 0.25µm CMOS," Proc. IEEE Nonvolatile Semiconductor Memory Workshop, Monterey, CA, pp. 46-47, 2001.
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{6} P. Hasler, Foundations of Learning in Analog VLSI, Ph.D. thesis, Department of Computation and Neural Systems, California Institute of Technology, Pasadena, CA, 1997.
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Cited By

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  • (2007)Minimizing peak power in synchronous logic circuitsProceedings of the 17th ACM Great Lakes symposium on VLSI10.1145/1228784.1228847(247-252)Online publication date: 11-Mar-2007

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      cover image ACM Conferences
      DATE '04: Proceedings of the conference on Design, automation and test in Europe - Volume 2
      February 2004
      606 pages
      ISBN:0769520855

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      Published: 16 February 2004

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      • (2007)Minimizing peak power in synchronous logic circuitsProceedings of the 17th ACM Great Lakes symposium on VLSI10.1145/1228784.1228847(247-252)Online publication date: 11-Mar-2007

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