A Built-In Parametric Timing Measurement Unit

  • Authors:
  • Ming-Jun Hsiao;Jing-Reng Huang;Tsin-Yuan Chang

  • Affiliations:
  • National Tsing Hua University;National Tsing Hua University;National Tsing Hua University

  • Venue:
  • IEEE Design & Test
  • Year:
  • 2004

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Abstract

On-chip timing-measurement units are needed because accessibility to internal nodes in SoCs is very limited, and performing time interval measurements using automatic test equipment is very difficult and expensive. This article presents a parametric timing measurement solution, which uses self-timed techniques and delivers high linearity and improved accuracy, at low risk of measurement error.