ATE535912T1 - Verfolgung von zellen für ein speichersystem - Google Patents

Verfolgung von zellen für ein speichersystem

Info

Publication number
ATE535912T1
ATE535912T1 AT04754703T AT04754703T ATE535912T1 AT E535912 T1 ATE535912 T1 AT E535912T1 AT 04754703 T AT04754703 T AT 04754703T AT 04754703 T AT04754703 T AT 04754703T AT E535912 T1 ATE535912 T1 AT E535912T1
Authority
AT
Austria
Prior art keywords
tracking cells
storage system
tracking
read
cells
Prior art date
Application number
AT04754703T
Other languages
English (en)
Inventor
Daniel Guterman
Stephen Gross
Shahzad Khalid
Geoffrey Gongwer
Original Assignee
Sandisk Corp
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 Sandisk Corp filed Critical Sandisk Corp
Application granted granted Critical
Publication of ATE535912T1 publication Critical patent/ATE535912T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • 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
    • G11C16/26—Sensing or reading circuits; Data output circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • 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
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
AT04754703T 2003-06-13 2004-06-07 Verfolgung von zellen für ein speichersystem ATE535912T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/461,244 US7237074B2 (en) 2003-06-13 2003-06-13 Tracking cells for a memory system
PCT/US2004/018172 WO2004114313A2 (en) 2003-06-13 2004-06-07 Tracking cells for a memory system

Publications (1)

Publication Number Publication Date
ATE535912T1 true ATE535912T1 (de) 2011-12-15

Family

ID=33511212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04754703T ATE535912T1 (de) 2003-06-13 2004-06-07 Verfolgung von zellen für ein speichersystem

Country Status (8)

Country Link
US (5) US7237074B2 (de)
EP (1) EP1636802B1 (de)
JP (1) JP4681559B2 (de)
KR (1) KR101049580B1 (de)
CN (1) CN1826659B (de)
AT (1) ATE535912T1 (de)
TW (1) TWI244089B (de)
WO (1) WO2004114313A2 (de)

Families Citing this family (243)

* Cited by examiner, † Cited by third party
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