Invention Grant
- Patent Title: Methods for row hammer mitigation and memory devices and systems employing the same
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Application No.: US16530092Application Date: 2019-08-02
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Publication No.: US11037617B2Publication Date: 2021-06-15
- Inventor: Dean D. Gans
- 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: Perkins Coie LLP
- Main IPC: G11C11/406
- IPC: G11C11/406 ; G11C16/34
Abstract:
A method of operating a memory device is provided, comprising determining a number of operations corresponding to a memory location during a first timing period; and scheduling an extra refresh operation for the memory location after the first timing period when the determined number of operations exceeds a predetermined threshold. A memory device is provided, comprising a memory including a memory location; and circuitry configured to: determine a number of operations corresponding to the memory location during a first timing period; and schedule an extra refresh operation for the memory location after the first timing period when the determined number of operations exceeds a predetermined threshold.
Public/Granted literature
- US20200043545A1 METHODS FOR ROW HAMMER MITIGATION AND MEMORY DEVICES AND SYSTEMS EMPLOYING THE SAME Public/Granted day:2020-02-06
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