Invention Grant
US08112573B2 Non-volatile memory with erase block state indication in a subset of sectors of erase block
有权
在擦除块的扇区子集中具有擦除块状态指示的非易失性存储器
- Patent Title: Non-volatile memory with erase block state indication in a subset of sectors of erase block
- Patent Title (中): 在擦除块的扇区子集中具有擦除块状态指示的非易失性存储器
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Application No.: US12272358Application Date: 2008-11-17
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Publication No.: US08112573B2Publication Date: 2012-02-07
- Inventor: Brady L. Keays
- Applicant: Brady L. Keays
- Applicant Address: US ID Boise
- Assignee: Micron Technology, Inc.
- Current Assignee: Micron Technology, Inc.
- Current Assignee Address: US ID Boise
- Agency: Leffert Jay & Polglaze, P.A.
- Main IPC: G06F12/00
- IPC: G06F12/00

Abstract:
An improved Flash memory device with a distributed erase block management (EBM) scheme is detailed that enhances operation and helps minimize write fatigue of the floating gate memory cells of the Flash memory device. The Flash memory device of the invention combines the EBM data in a user data erase block by placing it in an EBM data field of the control data section of the erase block sectors. Therefore distributing the EBM data within the Flash memory erase block structure. This allows the Flash memory to update and/or erase the user data and the EBM data in a single operation, to reduce overhead and speed operation. The Flash memory also reduces the process of EBM data structure write fatigue by allowing the EBM data fields to be load leveled by rotating them with the erase blocks they describe.
Public/Granted literature
- US20090125670A1 ERASE BLOCK MANAGEMENT Public/Granted day:2009-05-14
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