US Patent Issued to SK hynix on April 29 for "Memory device and operating method for target refresh operation based on number of accesses" (South Korean Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,580, issued on April 29, was assigned to SK hynix Inc. (Gyeonggi-do, South Korea).

"Memory device and operating method for target refresh operation based on number of accesses" was invented by Woongrae Kim (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes: a memory cell region including normal cells and row-hammer cells coupled to each of a plurality of rows, wherein the row-hammer cells of a selected row are suitable for storing first data and second data, the first data representing a number of accesses to the selected row and the second data denoting whether to refresh second adjacent r...