TWI334142B - Method for using non-volatile storage and non-volatile storage system - Google Patents

Method for using non-volatile storage and non-volatile storage system Download PDF

Info

Publication number
TWI334142B
TWI334142B TW095147162A TW95147162A TWI334142B TW I334142 B TWI334142 B TW I334142B TW 095147162 A TW095147162 A TW 095147162A TW 95147162 A TW95147162 A TW 95147162A TW I334142 B TWI334142 B TW I334142B
Authority
TW
Taiwan
Prior art keywords
voltage
volatile storage
storage element
unselected
read
Prior art date
Application number
TW095147162A
Other languages
English (en)
Chinese (zh)
Other versions
TW200737204A (en
Inventor
Teruhiko Kamei
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
Priority claimed from US11/305,588 external-priority patent/US7545675B2/en
Priority claimed from US11/303,193 external-priority patent/US7369437B2/en
Application filed by Sandisk Corp filed Critical Sandisk Corp
Publication of TW200737204A publication Critical patent/TW200737204A/zh
Application granted granted Critical
Publication of TWI334142B publication Critical patent/TWI334142B/zh

Links

Classifications

    • 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
    • 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
    • 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
    • G11C16/0483Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
    • 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
    • G11C16/34Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3436Arrangements for verifying correct programming or erasure
    • G11C16/3454Arrangements for verifying correct programming or for detecting overprogrammed cells
    • G11C16/3459Circuits or methods to verify correct programming of nonvolatile memory cells
    • 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
    • G11C16/34Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3436Arrangements for verifying correct programming or erasure
    • G11C16/3468Prevention of overerasure or overprogramming, e.g. by verifying whilst erasing or writing
    • G11C16/3481Circuits or methods to verify correct programming of nonvolatile memory cells whilst programming is in progress, e.g. by detecting onset or cessation of current flow in cells and using the detector output to terminate programming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
  • Semiconductor Memories (AREA)
TW095147162A 2005-12-16 2006-12-15 Method for using non-volatile storage and non-volatile storage system TWI334142B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/305,588 US7545675B2 (en) 2005-12-16 2005-12-16 Reading non-volatile storage with efficient setup
US11/303,193 US7369437B2 (en) 2005-12-16 2005-12-16 System for reading non-volatile storage with efficient setup

Publications (2)

Publication Number Publication Date
TW200737204A TW200737204A (en) 2007-10-01
TWI334142B true TWI334142B (en) 2010-12-01

Family

ID=37950913

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095147162A TWI334142B (en) 2005-12-16 2006-12-15 Method for using non-volatile storage and non-volatile storage system
TW099108720A TW201027538A (en) 2005-12-16 2006-12-15 Method for using non-volatile storage and non-volatile storage system

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW099108720A TW201027538A (en) 2005-12-16 2006-12-15 Method for using non-volatile storage and non-volatile storage system

Country Status (5)

Country Link
EP (1) EP1964129A1 (de)
JP (1) JP4820879B2 (de)
KR (1) KR101007371B1 (de)
TW (2) TWI334142B (de)
WO (1) WO2007078611A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010129125A (ja) * 2008-11-27 2010-06-10 Toshiba Corp 多値不揮発性半導体メモリ
WO2021092830A1 (en) * 2019-11-14 2021-05-20 Yangtze Memory Technologies Co., Ltd. Memory device capable of reducing program disturbance and erasing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11224491A (ja) * 1997-12-03 1999-08-17 Sony Corp 不揮発性半導体記憶装置およびそれを用いたicメモリカード
KR100562506B1 (ko) * 2003-12-01 2006-03-21 삼성전자주식회사 플래시 메모리 장치 및 그것의 프로그램 방법
JP4157065B2 (ja) * 2004-03-29 2008-09-24 株式会社東芝 半導体記憶装置
JP4791812B2 (ja) * 2005-12-07 2011-10-12 株式会社東芝 不揮発性半導体装置

Also Published As

Publication number Publication date
JP2009520310A (ja) 2009-05-21
TW201027538A (en) 2010-07-16
KR20080089401A (ko) 2008-10-06
KR101007371B1 (ko) 2011-01-13
TW200737204A (en) 2007-10-01
EP1964129A1 (de) 2008-09-03
JP4820879B2 (ja) 2011-11-24
WO2007078611A1 (en) 2007-07-12

Similar Documents

Publication Publication Date Title
CN108292519B (zh) 用于非易失性存储器的子块模式
KR101519081B1 (ko) 비휘발성 저장소에서 채널 부스팅을 증가시키기 위한 강화된 비트라인 프리챠지 방식
EP2047474B1 (de) Floating-gate-speicher mit kopplungskompensation während der programmierung
EP2047473B1 (de) Kompensation für die kopplung zwischen benachbarten speicherelementen in einem nichtflüchtigen speicher auf der basis der abtastung eines nachbarn mit kopplung
US20070133295A1 (en) Reducing read disturb for non-volatile storage
US7733701B2 (en) Reading non-volatile storage with efficient setup
WO2008083131A2 (en) Method for programming with initial programming voltage based on trial
US7369437B2 (en) System for reading non-volatile storage with efficient setup
EP2022060B1 (de) Verifizierungsoperation für nichtflüchtige speicherung unter verwendung verschiedener spannungen
TW201324513A (zh) 在非揮發性儲存器之程式化期間之基板偏壓
KR100948200B1 (ko) 비휘발성 저장 장치에서 판독 장애 저감
CN113661541B (zh) 具有升压读取方案的阈值电压设置
TWI334142B (en) Method for using non-volatile storage and non-volatile storage system
TWI356417B (en) Method and system for reverse reading in non-volat
TWI384484B (zh) 非揮發性儲存器之阻抗感測及補償
WO2008039667A2 (en) Reducing program disturb in non-volatile storage
TWI336081B (en) System and method for operating non-volatile memory using temperature compensation of voltages of unselected word lines and select gates
WO2008011441A2 (en) Method for configuring compensation for coupling between adjacent storage elements in a nonvolatile memory

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees