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. 16, 2018
Filed:
Dec. 23, 2015
Toshiba Memory Corporation, Minato-ku, Tokyo, JP;
Matthew Stephens, Cumbria, GB;
Julien Margetts, Thame, GB;
Toshiba Memory Corporation, Tokyo, JP;
Abstract
A memory controller implemented within a non-volatile data storage device with improved efficiency for executing data invalidation commands is disclosed. In one embodiment, the non-volatile data storage device in communication with a host device and comprises a processor, a memory device that includes a plurality of physical storage locations, a cache memory configured to store a map table and a count value. The controller is configured to receive a data invalidation request from the host device where the request includes an execution parameter. Based on the execution parameter, the controller executes the invalidation request in an efficient and flexible manner.