公开(公告)号：US11735246B2

公开(公告)日：2023-08-22

申请号：US17454963

申请日：2021-11-15

Applicant: MICRON TECHNOLOGY, INC.

Inventor： Atsushi Hatakeyama ,  Hyun Yoo Lee ,  Kang-Yong Kim ,  Akiyoshi Yamamoto

IPC: G11C7/00 ,  G11C11/406

CPC classification number: G11C11/40618 ,  G11C11/40615

Abstract: Disclosed herein is an apparatus that includes a plurality of memory banks and a refresh controller configured to perform a refresh operation on one or more of the plurality of memory banks having a first state without performing the refresh operation on one or more of the plurality of memory banks having a second state responsive to a first refresh command, and perform the refresh operation on a selected one of the plurality of memory banks responsive to a second refresh command. The refresh controller is configured to bring the selected one of the plurality of memory banks into the second state when the refresh operation is performed responsive to the second refresh command.

公开(公告)号：US20230154520A1

公开(公告)日：2023-05-18

申请号：US17454963

申请日：2021-11-15

Applicant: MICRON TECHNOLOGY, INC.

Inventor： Atsushi Hatakeyama ,  Hyun Yoo Lee ,  Kang-Yong Kim ,  Akiyoshi Yamamoto

IPC: G11C11/406

CPC classification number: G11C11/40618 ,  G11C11/40615

Abstract: Disclosed herein is an apparatus that includes a plurality of memory banks and a refresh controller configured to perform a refresh operation on one or more of the plurality of memory banks having a first state without performing the refresh operation on one or more of the plurality of memory banks having a second state responsive to a first refresh command, and perform the refresh operation on a selected one of the plurality of memory banks responsive to a second refresh command. The refresh controller is configured to bring the selected one of the plurality of memory banks into the second state when the refresh operation is performed responsive to the second refresh command.