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:
Jan. 09, 2024

Filed:

Jan. 06, 2022
Applicant:

Changxin Memory Technologies, Inc., Hefei, CN;

Inventor:

Xianlei Cao, Hefei, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 11/406 (2006.01); G11C 11/408 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40611 (2013.01); G11C 11/408 (2013.01); G11C 11/4085 (2013.01);
Abstract

A refresh control circuit includes: a random output sub-circuit for sequentially receiving n single-row addresses and m single-row addresses in L single-row addresses, a single enabling duration of word lines pointed to by the n single-row addresses being greater than a preset duration, the m single-row addresses ranking top m in occurrence frequency, the L single-row addresses corresponding to word lines turned on between adjacent refresh commands, n being a natural number, and m being a positive integer; and for receiving a first random number which is a positive integer less than or equal to n+m, and then outputting an i-th received single-row address, i being equal to the first random number; and a row hammer address generation sub-circuit for outputting a row hammer address corresponding to the received single-row address acting as a refresh object corresponding to the refresh command.


Find Patent Forward Citations

Cao, Xianlei. (2024). Refresh control circuit and memory (U.S. Patent No. 11869567). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11869567

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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