Patent ID: 11922989
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. The memory device of claim 1, wherein the at least one mode register value includes a first value used for rolling accumulated activations (RAA) values for each of the target rows, wherein the first value is compared to a threshold value to issue the refresh management mode command,
wherein the at least one mode register value includes a second value that is used to determine a reduction amount of the RAA value after issuing the refresh management mode command, and
wherein the at least one mode register value includes a third value that is used to determine a maximum value of the RAA value, and
wherein the mode register circuit includes,
a first mode register configured to store the first value;
a second mode register configured to store the second value; and
a third mode register configured to store the third value.