DE60130012D1 - Beschreibbare verfolgungszellen - Google Patents

Beschreibbare verfolgungszellen

Info

Publication number
DE60130012D1
DE60130012D1 DE60130012T DE60130012T DE60130012D1 DE 60130012 D1 DE60130012 D1 DE 60130012D1 DE 60130012 T DE60130012 T DE 60130012T DE 60130012 T DE60130012 T DE 60130012T DE 60130012 D1 DE60130012 D1 DE 60130012D1
Authority
DE
Germany
Prior art keywords
cells
tracking
logic levels
user
read
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
DE60130012T
Other languages
English (en)
Other versions
DE60130012T2 (de
Inventor
Shahzad B Khalid
Daniel C Guterman
Geoffrey S Gongwer
Richard Simko
Kevin M Conley
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.)
SanDisk Corp
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
Publication of DE60130012D1 publication Critical patent/DE60130012D1/de
Application granted granted Critical
Publication of DE60130012T2 publication Critical patent/DE60130012T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/26Sensing or reading circuits; Data output circuits
    • G11C16/28Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • G11C11/5628Programming or writing circuits; Data input circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • G11C11/5642Sensing or reading circuits; Data output circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C27/00Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/005Electric analogue stores, e.g. for storing instantaneous values with non-volatile charge storage, e.g. on floating gate or MNOS
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/562Multilevel memory programming aspects
    • G11C2211/5621Multilevel programming verification
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/563Multilevel memory reading aspects
    • G11C2211/5634Reference cells
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C7/00Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/06Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
DE60130012T 2000-09-27 2001-09-25 Beschreibbare verfolgungszellen Expired - Lifetime DE60130012T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US671793 2000-09-27
US09/671,793 US6538922B1 (en) 2000-09-27 2000-09-27 Writable tracking cells
PCT/US2001/030123 WO2002027729A2 (en) 2000-09-27 2001-09-25 Writable tracking cells

Publications (2)

Publication Number Publication Date
DE60130012D1 true DE60130012D1 (de) 2007-09-27
DE60130012T2 DE60130012T2 (de) 2008-03-20

Family

ID=24695908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60130012T Expired - Lifetime DE60130012T2 (de) 2000-09-27 2001-09-25 Beschreibbare verfolgungszellen

Country Status (10)

Country Link
US (3) US6538922B1 (de)
EP (2) EP1332500B1 (de)
JP (1) JP2004510286A (de)
KR (1) KR100760886B1 (de)
CN (1) CN1273992C (de)
AT (1) ATE370498T1 (de)
AU (1) AU2001294743A1 (de)
DE (1) DE60130012T2 (de)
TW (1) TW561480B (de)
WO (1) WO2002027729A2 (de)

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US20040105307A1 (en) 2004-06-03
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