Invention Grant
- Patent Title: Apparatuses and methods for distributing row hammer refresh events across a memory device
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Application No.: US16682606Application Date: 2019-11-13
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Publication No.: US11315619B2Publication Date: 2022-04-26
- Inventor: Gregg D. Wolff
- Applicant: MICRON TECHNOLOGY, INC.
- Applicant Address: US ID Boise
- Assignee: MICRON TECHNOLOGY, INC.
- Current Assignee: MICRON TECHNOLOGY, INC.
- Current Assignee Address: US ID Boise
- Agency: Dorsey & Whitney LLP
- Main IPC: G11C11/406
- IPC: G11C11/406 ; G11C11/408 ; G11C11/4096 ; G06F13/16

Abstract:
Apparatuses and methods for distributing row hammer refresh events across a memory device is disclosed. In one embodiment, the present disclosure is directed to an apparatus that includes a first memory configured to receive a sequential series of refresh commands and to replace a first of the sequential refresh commands with a row hammer refresh operation once during a refresh steal cycle, a second memory configured to receive the sequential series of refresh commands at to replace a second of the sequential refresh command with a row hammer refresh operation once during a refresh steal cycle, wherein the first of the sequential refresh commands and the second of the sequential refresh commands are different commands.
Public/Granted literature
- US20200082873A1 APPARATUSES AND METHODS FOR DISTRIBUTING ROW HAMMER REFRESH EVENTS ACROSS A MEMORY DEVICE Public/Granted day:2020-03-12
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