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Title:
FLASH MEMORY MANAGEMENT DEVICE AND FLASH MEMORY MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2022/091240
Kind Code:
A1
Abstract:
The present invention extends the lifetime of a flash memory using a simple process, while limiting cost increases. The present invention comprises a flash memory (11) having data retaining areas that retain data, and short-lived areas that have the same cell structure as the data retaining areas and have inferior data retaining properties compared to the data retaining areas. A control unit (13) confirms data in the short-lived areas and refreshes data retained in the data retaining areas in accordance with the confirmed data in the short-lived areas.

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Inventors:
KATAYAMA MASAHIKO (JP)
TAKEHARA NARIAKI (JP)
Application Number:
PCT/JP2020/040365
Publication Date:
May 05, 2022
Filing Date:
October 28, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G06F12/00; G11C16/02; G11C16/34
Foreign References:
JPH10150171A1998-06-02
JP2012094210A2012-05-17
US20140369110A12014-12-18
JPH0528788A1993-02-05
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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