DE3482724D1 - Festwertspeicher. - Google Patents

Festwertspeicher.

Info

Publication number
DE3482724D1
DE3482724D1 DE8484103832T DE3482724T DE3482724D1 DE 3482724 D1 DE3482724 D1 DE 3482724D1 DE 8484103832 T DE8484103832 T DE 8484103832T DE 3482724 T DE3482724 T DE 3482724T DE 3482724 D1 DE3482724 D1 DE 3482724D1
Authority
DE
Germany
Prior art keywords
fixed value
value storage
storage
fixed
value
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
DE8484103832T
Other languages
English (en)
Inventor
Hiroshi Iwahashi
Masamichi Denenchofu-Sky Asano
Hidenobu Minagawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Toshiba Microelectronics 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 JP58061393A external-priority patent/JPS59186197A/ja
Priority claimed from JP59030757A external-priority patent/JPS60175299A/ja
Application filed by Toshiba Corp, Toshiba Microelectronics Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3482724D1 publication Critical patent/DE3482724D1/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
    • G11C16/26—Sensing or reading circuits; Data output circuits
    • G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
DE8484103832T 1983-04-07 1984-04-06 Festwertspeicher. Expired - Lifetime DE3482724D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58061393A JPS59186197A (ja) 1983-04-07 1983-04-07 不揮発性半導体記憶装置
JP59030757A JPS60175299A (ja) 1984-02-21 1984-02-21 不輝発生半導体記憶装置

Publications (1)

Publication Number Publication Date
DE3482724D1 true DE3482724D1 (de) 1990-08-23

Family

ID=26369167

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484103832T Expired - Lifetime DE3482724D1 (de) 1983-04-07 1984-04-06 Festwertspeicher.

Country Status (3)

Country Link
US (1) US4611301A (de)
EP (1) EP0122564B1 (de)
DE (1) DE3482724D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62222498A (ja) * 1986-03-10 1987-09-30 Fujitsu Ltd 消去及び書き込み可能な読み出し専用メモリ
JPS62231500A (ja) * 1986-03-31 1987-10-12 Toshiba Corp 半導体記憶装置
JPH0766675B2 (ja) * 1987-07-14 1995-07-19 株式会社東芝 プログラマブルｒｏｍ
JPH0727718B2 (ja) * 1988-02-19 1995-03-29 日本電気株式会社 センス回路
DE68926124T2 (de) * 1988-06-24 1996-09-19 Toshiba Kawasaki Kk Halbleiterspeicheranordnung
JPH0770235B2 (ja) * 1988-06-24 1995-07-31 株式会社東芝 不揮発性メモリ回路装置
US5237534A (en) * 1989-04-27 1993-08-17 Kabushiki Kaisha Toshiba Data sense circuit for a semiconductor nonvolatile memory device
DE69031276T2 (de) * 1989-06-12 1998-01-15 Toshiba Kawasaki Kk Halbleiterspeicheranordnung
US5198997A (en) * 1989-08-11 1993-03-30 Sony Corporation Ultraviolet erasable nonvolatile memory with current mirror circuit type sense amplifier
JPH0752592B2 (ja) * 1989-08-18 1995-06-05 株式会社東芝 半導体記憶装置
US5142496A (en) * 1991-06-03 1992-08-25 Advanced Micro Devices, Inc. Method for measuring VT 's less than zero without applying negative voltages
JP3610621B2 (ja) * 1994-11-11 2005-01-19 ソニー株式会社 不揮発性半導体メモリ装置
US5537358A (en) * 1994-12-06 1996-07-16 National Semiconductor Corporation Flash memory having adaptive sensing and method
US5629892A (en) * 1995-10-16 1997-05-13 Advanced Micro Devices, Inc. Flash EEPROM memory with separate reference array
US7813201B2 (en) * 2008-07-08 2010-10-12 Atmel Corporation Differential sense amplifier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223394A (en) * 1979-02-13 1980-09-16 Intel Corporation Sensing amplifier for floating gate memory devices
US4301518A (en) * 1979-11-01 1981-11-17 Texas Instruments Incorporated Differential sensing of single ended memory array
JPS57130292A (en) * 1981-02-05 1982-08-12 Toshiba Corp Semiconductor nonvolatile read-only storage device
US4434479A (en) * 1981-11-02 1984-02-28 Mcdonnell Douglas Corporation Nonvolatile memory sensing system
US4503523A (en) * 1982-06-30 1985-03-05 International Business Machines Corporation Dynamic reference potential generating circuit arrangement

Also Published As

Publication number Publication date
US4611301A (en) 1986-09-09
EP0122564B1 (de) 1990-07-18
EP0122564A2 (de) 1984-10-24
EP0122564A3 (en) 1988-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP T