Built-in self-test for signal integrity

  • Authors:
  • Mehrdad Nourani;Amir Attarha

  • Affiliations:
  • Center for Integrated Circuits & Systems, The University of Texas at Dallas, Richardson, TX;Center for Integrated Circuits & Systems, The University of Texas at Dallas, Richardson, TX

  • Venue:
  • Proceedings of the 38th annual Design Automation Conference
  • Year:
  • 2001

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Abstract

Unacceptable loss of signal integrity may harm the functionality of SoCs permanently or intermittently. We propose a systematic approach to model and test signal integrity in deep-submicron high-speed interconnects. Various signal integrity problems occurring on such interconnects (e.g. crosstalk, overshoot, noise, skew, etc.) are considered in a unified model. We also present a test methodology that uses a noise detection circuitry to detect low integrity signals and an inexpensive test architecture to measure and read the statistics for final observation and analysis.