DE19851813B4 - System und Verfahren zum Bewerten der Abnutzung eines Flash-Speichers - Google Patents

System und Verfahren zum Bewerten der Abnutzung eines Flash-Speichers Download PDF

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Publication number
DE19851813B4
DE19851813B4 DE19851813A DE19851813A DE19851813B4 DE 19851813 B4 DE19851813 B4 DE 19851813B4 DE 19851813 A DE19851813 A DE 19851813A DE 19851813 A DE19851813 A DE 19851813A DE 19851813 B4 DE19851813 B4 DE 19851813B4
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DE
Germany
Prior art keywords
evaluating
wear
flash memory
flash
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE19851813A
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English (en)
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DE19851813A1 (de
Inventor
Sang-Wook Han
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SK Hynix Inc
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LG Semicon Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Semicon Co Ltd filed Critical LG Semicon Co Ltd
Publication of DE19851813A1 publication Critical patent/DE19851813A1/de
Application granted granted Critical
Publication of DE19851813B4 publication Critical patent/DE19851813B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/005—Circuit means for protection against loss of information of semiconductor storage devices
DE19851813A 1998-03-13 1998-11-10 System und Verfahren zum Bewerten der Abnutzung eines Flash-Speichers Expired - Fee Related DE19851813B4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980008487A KR100297986B1 (ko) 1998-03-13 1998-03-13 플래쉬 메모리 셀 어레이의 웨어 레벨링 시스템 및 웨어 레벨링 방법

Publications (2)

Publication Number Publication Date
DE19851813A1 DE19851813A1 (de) 1999-09-16
DE19851813B4 true DE19851813B4 (de) 2005-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE19851813A Expired - Fee Related DE19851813B4 (de) 1998-03-13 1998-11-10 System und Verfahren zum Bewerten der Abnutzung eines Flash-Speichers

Country Status (4)

Country Link
US (1) US6016275A (de)
JP (1) JPH11297079A (de)
KR (1) KR100297986B1 (de)
DE (1) DE19851813B4 (de)

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US10289550B1 (en) 2016-12-30 2019-05-14 EMC IP Holding Company LLC Method and system for dynamic write-back cache sizing in solid state memory storage
US11069418B1 (en) 2016-12-30 2021-07-20 EMC IP Holding Company LLC Method and system for offline program/erase count estimation
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Also Published As

Publication number Publication date
JPH11297079A (ja) 1999-10-29
KR100297986B1 (ko) 2001-10-25
KR19990074703A (ko) 1999-10-05
DE19851813A1 (de) 1999-09-16
US6016275A (en) 2000-01-18

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