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. 16, 2010
Filed:
Jul. 18, 2007
Jianjun Luo, Sunnyvale, CA (US);
Chris Tsu, Saratoga, CA (US);
Charles Chung Lee, Cupertino, CA (US);
David Queichang Chow, San Jose, CA (US);
Jianjun Luo, Sunnyvale, CA (US);
Chris Tsu, Saratoga, CA (US);
Charles Chung Lee, Cupertino, CA (US);
David Queichang Chow, San Jose, CA (US);
Super Talent Electronics, Inc., San Jose, CA (US);
Abstract
A flash controller is adapted to communicate with a host and the flash memory and including volatile memory configured to store a page-block table of logical addresses addressable by the physical addresses. The logical addresses are used by the controller to identify the blocks. The table has an address mapping table and a property value table, the property value table includes property values, each of the property values being increased in value every time a block is written up to a maximum value and being associated with a block of a predetermined group of blocks and indicative of the number of times a block has been written, the property values corresponding to the logical addresses of the address mapping table, wherein the maximum number the property values of the predetermined group of blocks take on is adjustably different than the maximum number the property values of another group of blocks.