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. 23, 2012
Filed:
Dec. 29, 2009
Duck Hwa Hong, Seoul, KR;
Duck Hwa Hong, Seoul, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A repair circuit having a repair controller which is capable of reducing unnecessary current dissipation by interrupting a control operation to redundant cells that are unused for replacement of defective cells is presented. The repair circuit includes a repair controller and a repair signal generator. The repair controller is configured to generate a first drive voltage, a second drive voltage and a repair control signal depending on whether or not a defective cell exists. The repair signal generator driven by the first and second drive voltages in which the repair signal generator is configured to generate a repair signal, for repairing the defective cell, in response to receiving the repair control signal and an external address.