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:
Nov. 20, 1990
Filed:
Jul. 19, 1988
Kouji Ueno, Inagi, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A programmable device has a cell formation region having rows and columns of programmable cells arranged in a matrix arrangement, a real cell region within the cell formation region and constituted by the programmable cells which are to be actually programmed, a test bit region within the cell formation region and including a number of rows of the programmable cells so as to include all kinds of the programmable cells within the real cell region, and a test word region within the cell formation region and including a number of columns of the programmable cells so as to include all kinds of the programmable cells within the real cell region. All of the programmable cells within the real cell region can essentially be tested by testing the programmable cells within the test bit region and the test word region.