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:
Dec. 18, 2018
Filed:
Aug. 26, 2013
Applicant:
Rambus Inc., Sunnyvale, CA (US);
Inventors:
Hongzhong Zheng, Sunnyvale, CA (US);
James Tringali, Los Altos, CA (US);
Frederick A. Ware, Los Altos Hills, CA (US);
Assignee:
Rambus Inc., Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 11/406 (2006.01); G06F 12/08 (2016.01); G06F 12/1009 (2016.01);
U.S. Cl.
CPC ...
G11C 11/406 (2013.01); G06F 12/08 (2013.01); G06F 12/1009 (2013.01);
Abstract
A method of refreshing a memory is disclosed. The method includes accessing from active memory an active memory map. The active memory map is generated by software and identifies addresses corresponding to the active memory and associated refresh criteria for the addresses. The refresh criteria are evaluated for a portion of the active memory, and an operation initiated to refresh a portion of the active memory is based on the refresh criteria.