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Apparatus and method for calculating simulation coverage

  • US 20040025124A1
  • Filed: 07/31/2003
  • Published: 02/05/2004
  • Est. Priority Date: 08/02/2002
  • Status: Active Grant
First Claim
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1. A simulation coverage calculating apparatus for calculating a simulation coverage for a logic circuit, comprising:

  • a first input unit reading a property that represents one or more effective test patterns to the logic circuit to be verified;

    an effective test pattern calculating unit calculating the effective test patterns based on the property;

    a second input unit reading one or more test patterns entered and executed by a verifier;

    a coverage ratio calculating unit calculating a coverage ratio from a ratio of the number of the test patterns matched to the effective test patterns to the number of all of the effective test patterns; and

    an output unit outputting the calculated coverage ratio.

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