18522252. MEMORY DEVICE AND REFRESH CONTROLLING METHOD THEREOF (SAMSUNG ELECTRONICS CO., LTD.)
MEMORY DEVICE AND REFRESH CONTROLLING METHOD THEREOF
Organization Name
Inventor(s)
KYEONGJIN Cho of Suwon-si (KR)
MEMORY DEVICE AND REFRESH CONTROLLING METHOD THEREOF
This abstract first appeared for US patent application 18522252 titled 'MEMORY DEVICE AND REFRESH CONTROLLING METHOD THEREOF
Original Abstract Submitted
A memory device according to an embodiment includes a memory cell array including a plurality of memory cells disposed in a plurality of rows, a register configured to store row addresses corresponding to the plurality of rows and access counts for the plurality of rows, and a refresh controller configured to determine a refresh address based on the stored row addresses and a refresh command being received, and change a refresh period for a target row based on the refresh address being associated with a previously performed refresh for the target row and the access count for a row corresponding to the target row being reached a threshold value.
