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:
Jun. 25, 2013
Filed:
Mar. 16, 2011
Applicants:
Yoshikazu Takeyama, Fujisawa, JP;
Keizo Mori, Yokohama, JP;
Inventors:
Yoshikazu Takeyama, Fujisawa, JP;
Keizo Mori, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/16 (2006.01); G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a memory system includes a NAND flash memory includes a memory cell array includes pages, and a volatile data register with a storage capacity of one page, and configured to write page data to the memory cell array through the data register, each of the pages includes nonvolatile memory cells and being a unit of data write, a volatile RAM, and a controller includes a power saving mode in which power consumption of the RAM is reduced, and configured to transfer data of the RAM to the data register before entering the power saving mode.