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:
Dec. 10, 2024

Filed:

Jun. 24, 2022
Applicant:

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

Inventors:

John E. Riley, McKinney, TX (US);

Joo-Sang Lee, Frisco, TX (US);

Scott E. Smith, Plano, TX (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/4074 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G11C 11/40603 (2013.01); G11C 11/40618 (2013.01); G11C 11/4074 (2013.01);
Abstract

Methods, systems, and devices for adjusting a refresh rate during a self-refresh state are described. A memory system may enter a self-refresh state and execute a first set of refresh operations on a set of rows of memory cells at the memory system according to a first rate. The memory system may determine, based on executing the first set of refresh operations, that a counter associated with the set of refresh operations satisfies a threshold for a second time while the memory system is in the self-refresh state. In response to the counter satisfying the threshold for the second time, a flip-flop circuit at the memory system may modify an output of the flip-flop circuit and the memory system may decrease the rate for executing the refresh operations to a second rate based on the modified output of the flip-flop circuit.


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