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:
Mar. 15, 2011
Filed:
Jun. 17, 2009
Applicants:
Chien-fu Huang, Hsinchu, TW;
Ming-hung Chou, Hsinchu, TW;
Han-lung Huang, Hsinchu, TW;
Shih-keng Cho, Hsinchu, TW;
Inventors:
Chien-Fu Huang, Hsinchu, TW;
Ming-Hung Chou, Hsinchu, TW;
Han-Lung Huang, Hsinchu, TW;
Shih-Keng Cho, Hsinchu, TW;
Assignee:
Skymedi Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 16/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for obtaining a reference block on which reference voltages may be found for a MLC flash memory are disclosed. A first block and a second block are provided in the flash memory. A memory controller alternatively controls one of the first and the second blocks to act as the reference block and the other one as a cycle block in a respective period, during which the reference block stays idle and the cycle block is subjected to program/erase cycles.