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:
Nov. 12, 2019
Filed:
Apr. 28, 2017
Seagate Technology Llc, Cupertino, CA (US);
Dana L. Simonson, Owatonna, MN (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
NAND flash storage devices and methods are provided that use a non-NAND cache to store write data until a substantially complete storage unit is available. An exemplary solid state storage device comprises a NAND flash memory device; a non-NAND cache; and a controller configured to obtain write data from a remote host for storage in the NAND flash memory device; store the write data in the non-NAND cache; and transfer the write data from the non-NAND cache to the NAND flash memory device when a predefined storage criterion is satisfied. The predefined storage criterion comprises, for example, a storage unit of the write data stored in the non-NAND cache, where the storage unit comprises a block of data erased in a single garbage collection cycle. The predefined storage criterion is optionally established to reduce open block degradation in NAND flash memory devices.