Invention Grant
- Patent Title: Block behavior tracking in a memory system
- Patent Title (中): 在内存系统中阻止行为跟踪
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Application No.: US14717608Application Date: 2015-05-20
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Publication No.: US09547571B2Publication Date: 2017-01-17
- Inventor: Niles Yang , Rohit Sehgal , Abhi Kashyap
- Applicant: SanDisk Technologies Inc.
- Applicant Address: US TX Plano
- Assignee: SanDisk Technologies LLC
- Current Assignee: SanDisk Technologies LLC
- Current Assignee Address: US TX Plano
- Agency: Brinks Gilson & Lione
- Main IPC: G06F11/10
- IPC: G06F11/10 ; G06F11/263 ; G06F3/06 ; G11C16/34 ; G11C29/50 ; G11C7/14 ; G11C8/14 ; G11C11/4099

Abstract:
A storage device with a memory may include memory block health monitoring and behavior tracking. Each memory block may be analyzed based on one or more dummy wordlines within the block may not be accessible for normal data storage. The dummy wordlines may be programmed with a known data pattern that can be tracked and analyzed for potential errors, which may be used as representation of the health of the memory block. Adjustments can be made to the operating parameters (e.g. read voltages) to optimize each memory block based on its error analysis.
Public/Granted literature
- US20160342494A1 BLOCK BEHAVIOR TRACKING IN A MEMORY SYSTEM Public/Granted day:2016-11-24
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