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.

Date of Patent:
Apr. 26, 2022

Filed:

Nov. 13, 2019
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventor:

Gregg D. Wolff, Boise, ID (US);

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/408 (2006.01); G11C 11/4096 (2006.01); G06F 13/16 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G06F 13/1636 (2013.01); G06F 13/1689 (2013.01); G11C 11/408 (2013.01); G11C 11/4096 (2013.01); G11C 11/40611 (2013.01); G11C 11/40618 (2013.01);
Abstract

Apparatuses and methods for distributing row hammer refresh events across a memory device is disclosed. In one embodiment, the present disclosure is directed to an apparatus that includes a first memory configured to receive a sequential series of refresh commands and to replace a first of the sequential refresh commands with a row hammer refresh operation once during a refresh steal cycle, a second memory configured to receive the sequential series of refresh commands at to replace a second of the sequential refresh command with a row hammer refresh operation once during a refresh steal cycle, wherein the first of the sequential refresh commands and the second of the sequential refresh commands are different commands.


Find Patent Forward Citations

Loading…