Patent ID: 11935623
Assignee: MONTAGE TECHNOLOGY (KUNSHAN) CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An apparatus for controlling access to a memory device, wherein the memory device comprises rows of memory units, the apparatus comprising:
an operation monitor configured to track memory operations to the rows of memory units of the memory device;
a row hammer counter configured to determining, for each of the rows of memory units, row hammer effects experienced by the row of memory units due to the memory operations to the other rows of memory units of the memory device;
a mitigation module configured to initiate, for each of the rows of memory units, row hammer mitigation in case that accumulated row hammer effects experienced by the row of memory units reach a predetermined threshold; and
a virtual host module configured to perform the row hammer mitigation targeting a row of memory units in response to the initiation of row hammer mitigation for the row of memory units by the mitigation module.