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Electronic circuit designing method and apparatus, and storage medium

  • US 7,322,019 B2
  • Filed: 07/09/2002
  • Issued: 01/22/2008
  • Est. Priority Date: 07/11/2001
  • Status: Expired due to Fees
First Claim
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1. An electronic circuit designing method for designing an electronic circuit by CAD, comprising:

  • generating design constraints with respect to the electronic circuit based on general layout and wiring information including registration information related to substrate external shapes and device external shapes registered by a user, a device mounting position definition defined by the user, and at least one of user requirements defined by the user, and user resources defined by the user; and

    displaying the design constraints,wherein the user requirements include at least one of requirements selected from a group consisting of signal integrity and delay, electromagnetic interference, electromagnetic compatibility limitations, junction temperature, and cost and reliability, andthe user resources include at least one of resources selected from a group consisting of substrate specifications, device specifications and junction temperatures.

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