Invention Grant
- Patent Title: Managing refresh operations for a memory device
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Application No.: US15811661Application Date: 2017-11-13
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Publication No.: US10566048B2Publication Date: 2020-02-18
- Inventor: Minghai Qin , Won Ho Choi , Zvonimir Bandic
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA San Jose
- Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
- Current Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
- Current Assignee Address: US CA San Jose
- Agency: Kunzler Bean & Adamson, PC
- Main IPC: G11C16/04
- IPC: G11C16/04 ; G11C11/419 ; G11C16/34

Abstract:
Apparatus, systems, methods, and computer program products for managing refresh operations in memory devices are disclosed. An apparatus includes a memory device including a plurality of memory cells comprising an associated set of counters and a controller for the memory device. A controller is configured to randomly increment a counter associated with a memory cell in response to write disturbances for the memory cell. A controller is configured, in response to a counter being randomly incremented to a predetermined count, perform a refresh operation on a memory cell.
Public/Granted literature
- US20190147941A1 MANAGING REFRESH OPERATIONS FOR A MEMORY DEVICE Public/Granted day:2019-05-16
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