US Patent 7836243 Nonvolatile semiconductor memory apparatus and memory system

Patent 7836243 was granted and assigned to Sony on November, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Sony

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7836243

Date of Patent

November 16, 2010

Patent Application Number

11714871

Date Filed

March 7, 2007

Patent Primary Examiner

‌

Denise Tran

Patent abstract

A nonvolatile semiconductor memory apparatus is disclosed which includes: a nonvolatile memory configured to be electrically rewritable; and a controller configured to control access to the nonvolatile memory based on information about access to the nonvolatile memory; wherein the controller selects one of a plurality of trade-offs between access reliability and performance and carries out access control in accordance with the selected trade-off.