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:
May. 23, 2006
Filed:
Apr. 12, 2002
Hiroaki Tanizaki, Hyogo, JP;
Hiroaki Tanizaki, Hyogo, JP;
Renesas Technology Corp., Tokyo, JP;
Mitsubishi Electric Engineering Company Limited, Tokyo, JP;
Abstract
A programming circuit includes an LT fuse read circuit programming a defective address during a wafer-processing, an electrical fuse circuit electrically programming a defective address, an electrical fuse circuit storing therein whether the electrical fuse circuit is used, a select circuit receiving data programmed by the LT fuse and that programmed by the electrical fuse for switch and output, an electrical fuse circuit designating a switching of the select circuit, and a repair decision circuit comparing an output received from the select circuit and an input address received from the address buffer.