DE69904856T2 - Ein verfahren zum löschen von seiten und löschprüfung in einem nichtflüchtigen speichermatrix - Google Patents

Ein verfahren zum löschen von seiten und löschprüfung in einem nichtflüchtigen speichermatrix

Info

Publication number
DE69904856T2
DE69904856T2 DE69904856T DE69904856T DE69904856T2 DE 69904856 T2 DE69904856 T2 DE 69904856T2 DE 69904856 T DE69904856 T DE 69904856T DE 69904856 T DE69904856 T DE 69904856T DE 69904856 T2 DE69904856 T2 DE 69904856T2
Authority
DE
Germany
Prior art keywords
volatile storage
storage matrix
delete method
deletion check
page delete
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 - Lifetime
Application number
DE69904856T
Other languages
English (en)
Other versions
DE69904856D1 (de
Inventor
Pau-Ling Chen
S Chung
Charles Hollmer
Vincent Leung
Quang Le
Masaru Yano
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.)
Spansion LLC
Original Assignee
Fujitsu Ltd
Advanced Micro Devices Inc
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 Fujitsu Ltd, Advanced Micro Devices Inc filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69904856D1 publication Critical patent/DE69904856D1/de
Publication of DE69904856T2 publication Critical patent/DE69904856T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3436—Arrangements for verifying correct programming or erasure
    • G11C16/344—Arrangements for verifying correct erasure or for detecting overerased cells
    • G11C16/3445—Circuits or methods to verify correct erasure of nonvolatile memory cells
    • 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
    • G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
    • 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
    • G11C16/3436—Arrangements for verifying correct programming or erasure
    • G11C16/344—Arrangements for verifying correct erasure or for detecting overerased cells
DE69904856T 1998-10-20 1999-10-05 Ein verfahren zum löschen von seiten und löschprüfung in einem nichtflüchtigen speichermatrix Expired - Lifetime DE69904856T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/175,646 US5995417A (en) 1998-10-20 1998-10-20 Scheme for page erase and erase verify in a non-volatile memory array
PCT/US1999/023109 WO2000024002A1 (en) 1998-10-20 1999-10-05 A scheme for page erase and erase verify in a non-volatile memory array

Publications (2)

Publication Number Publication Date
DE69904856D1 DE69904856D1 (de) 2003-02-13
DE69904856T2 true DE69904856T2 (de) 2003-11-06

Family

ID=22641071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904856T Expired - Lifetime DE69904856T2 (de) 1998-10-20 1999-10-05 Ein verfahren zum löschen von seiten und löschprüfung in einem nichtflüchtigen speichermatrix

Country Status (7)

Country Link
US (1) US5995417A (de)
EP (1) EP1125302B1 (de)
JP (1) JP2002528841A (de)
KR (1) KR100564378B1 (de)
DE (1) DE69904856T2 (de)
TW (1) TW455873B (de)
WO (1) WO2000024002A1 (de)

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EP1125302B1 (de) 2003-01-08
JP2002528841A (ja) 2002-09-03
WO2000024002A1 (en) 2000-04-27
US5995417A (en) 1999-11-30
KR100564378B1 (ko) 2006-03-27
TW455873B (en) 2001-09-21
DE69904856D1 (de) 2003-02-13
KR20010102910A (ko) 2001-11-17
EP1125302A1 (de) 2001-08-22

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