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:
Oct. 07, 2025
Filed:
Dec. 26, 2022
Sunlune (Singapore) Pte. Ltd., Beijing, CN;
Yusheng Zhang, Beijing, CN;
Fuquan Wang, Beijing, CN;
SUNLUNE (SINGAPORE) PTE. LTD., Beijing, CN;
Abstract
A DRAM refresh circuit and refresh method, and a proof-of-work chip. The DRAM refresh circuit comprises a row address recording unit, which is configured to record a row that has been accessed in a DRAM within the current refresh cycle; a refresh driving unit, which is configured to be called to perform a refresh operation; and a refresh control unit, which is configured to call, when the refresh control unit is triggered to perform refreshing and according to a record in the row address recording unit, the refresh driving unit to refresh a row that is not accessed in the DRAM within the current refresh cycle.