The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1998
Filed:
Dec. 04, 1996
Applicant:
Inventors:
Assignees:
Mitsubishi Electric Semiconductor Software Co., Ltd., Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G06F / ; G06G / ;
U.S. Cl.
CPC ...
371 211 ; 39518313 ; 364578 ;
Abstract
A semiconductor circuit logical check apparatus including a unit for extracting information about laser trimming fuse elements based on layout data and logic-circuit diagram data of a semiconductor circuit, a unit for generating a command sequence indicating that some of the laser trimming fuse elements are broken on the basis of the extracted laser trimming fuse element information, a unit for generating error bit memory cell array models from memory cell array models, and a unit for executing, on a semiconductor circuit model, logic simulation on the basis of the command sequence.