A practical online design rule checking system

  • Authors:
  • Goro Suzuki;Yoshio Okamura

  • Affiliations:
  • Hitachi Research Laboratory, Hitachi Ltd., Hitachi-shi, Japan;Device Development Center, Hitachi Ltd., Tokyo, Japan

  • Venue:
  • DAC '90 Proceedings of the 27th ACM/IEEE Design Automation Conference
  • Year:
  • 1991

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Abstract

In this paper, we propose a practical online design rule checking system, which can provide the following features: an ability to cope with a complicated and wide variety of design rules with high accuracy, easy use, high speed incremental DRC (simultaneous checking with pattern editing) and total DRC (non-simultaneous checking), high speed pattern editing, and a small memory space. For the last three items, a field block data structure is developed. Experimental results show this system is very effective for VLSI cell layout design.