Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takamasa Suzuki0
Date of Patent
October 22, 2024
0Patent Application Number
177315290
Date Filed
April 28, 2022
0Patent Citations
...
Patent Primary Examiner
Patent abstract
Apparatuses, systems, and methods for access based refresh operations. A memory bank may be divided into multiple sub-banks, each of which has a refresh control circuit. A word line in a first sub-bank may be refreshed responsive to a word line in a second sub-bank being accessed. Once a threshold number of refreshes have been performed in the sub-bank, further accesses to the other sub-banks may be ignored. If the threshold has not been met at the end of a refresh period, then the refresh control circuit may issue a refresh signal.
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