TW374925B - Non-volatile storage device - Google Patents

Non-volatile storage device

Info

Publication number
TW374925B
TW374925B TW085114503A TW85114503A TW374925B TW 374925 B TW374925 B TW 374925B TW 085114503 A TW085114503 A TW 085114503A TW 85114503 A TW85114503 A TW 85114503A TW 374925 B TW374925 B TW 374925B
Authority
TW
Taiwan
Prior art keywords
write
erase
signal
erase pulse
pulse width
Prior art date
Application number
TW085114503A
Other languages
English (en)
Inventor
Masayoshi Hirata
Original Assignee
Nec Electronics 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 Nec Electronics Corp filed Critical Nec Electronics Corp
Application granted granted Critical
Publication of TW374925B publication Critical patent/TW374925B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • 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
    • 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
    • G11C16/10—Programming or data input circuits
    • 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
    • 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
    • G11C16/3454—Arrangements for verifying correct programming or for detecting overprogrammed cells
    • G11C16/3459—Circuits or methods to verify correct programming of nonvolatile memory cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Read Only Memory (AREA)
TW085114503A 1995-11-24 1996-11-25 Non-volatile storage device TW374925B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32996095A JP3184082B2 (ja) 1995-11-24 1995-11-24 不揮発性半導体記憶装置

Publications (1)

Publication Number Publication Date
TW374925B true TW374925B (en) 1999-11-21

Family

ID=18227198

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085114503A TW374925B (en) 1995-11-24 1996-11-25 Non-volatile storage device

Country Status (4)

Country Link
US (1) US5784316A (zh)
JP (1) JP3184082B2 (zh)
KR (1) KR100221443B1 (zh)
TW (1) TW374925B (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064596A (en) * 1997-12-26 2000-05-16 Samsung Electronics Co., Ltd. Nonvolatile integrated circuit memory devices and methods of operating same
KR20000004719A (ko) * 1998-06-30 2000-01-25 김영환 플래쉬 메모리 셀의 재기록 제어장치
KR20000030974A (ko) * 1998-10-29 2000-06-05 김영환 시리얼 플래쉬 메모리의 소거검증장치 및 방법
US6327183B1 (en) 2000-01-10 2001-12-04 Advanced Micro Devices, Inc. Nonlinear stepped programming voltage
US6269025B1 (en) 2000-02-09 2001-07-31 Advanced Micro Devices, Inc. Memory system having a program and erase voltage modifier
US6246610B1 (en) 2000-02-22 2001-06-12 Advanced Micro Devices, Inc. Symmetrical program and erase scheme to improve erase time degradation in NAND devices
US6343033B1 (en) * 2000-02-25 2002-01-29 Advanced Micro Devices, Inc. Variable pulse width memory programming
US6246611B1 (en) * 2000-02-28 2001-06-12 Advanced Micro Devices, Inc. System for erasing a memory cell
US6295228B1 (en) 2000-02-28 2001-09-25 Advanced Micro Devices, Inc. System for programming memory cells
US6304487B1 (en) 2000-02-28 2001-10-16 Advanced Micro Devices, Inc. Register driven means to control programming voltages
JP3922516B2 (ja) 2000-09-28 2007-05-30 株式会社ルネサステクノロジ 不揮発性メモリと不揮発性メモリの書き込み方法
DE60133259D1 (de) * 2000-12-15 2008-04-30 Halo Lsi Design & Device Tech Schnelles Programmier- und Programmierverifikationsverfahren
US6515909B1 (en) * 2001-10-05 2003-02-04 Micron Technology Inc. Flash memory device with a variable erase pulse
US7061810B2 (en) * 2001-10-09 2006-06-13 Micron Technology, Inc. Erasing flash memory without pre-programming the flash memory before erasing
JP4005895B2 (ja) * 2002-09-30 2007-11-14 株式会社東芝 不揮発性半導体メモリ装置
KR100843037B1 (ko) * 2007-03-27 2008-07-01 주식회사 하이닉스반도체 플래시 메모리 장치 및 이의 소거 방법
KR101274190B1 (ko) * 2007-07-30 2013-06-14 삼성전자주식회사 저항체를 이용한 비휘발성 메모리 장치
KR100953045B1 (ko) * 2008-05-23 2010-04-14 주식회사 하이닉스반도체 불휘발성 메모리 장치의 프로그램 방법
US10379769B2 (en) * 2016-12-30 2019-08-13 Western Digital Technologies, Inc. Continuous adaptive calibration for flash memory devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3248928B2 (ja) * 1991-08-23 2002-01-21 富士通株式会社 不揮発性半導体記憶装置およびデータ消去方法
US5428568A (en) * 1991-10-30 1995-06-27 Mitsubishi Denki Kabushiki Kaisha Electrically erasable and programmable non-volatile memory device and a method of operating the same

Also Published As

Publication number Publication date
US5784316A (en) 1998-07-21
KR100221443B1 (ko) 1999-09-15
KR970029059A (ko) 1997-06-26
JPH09147590A (ja) 1997-06-06
JP3184082B2 (ja) 2001-07-09

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