JPS6130351B2 - - Google Patents

Info

Publication number
JPS6130351B2
JPS6130351B2 JP617281A JP617281A JPS6130351B2 JP S6130351 B2 JPS6130351 B2 JP S6130351B2 JP 617281 A JP617281 A JP 617281A JP 617281 A JP617281 A JP 617281A JP S6130351 B2 JPS6130351 B2 JP S6130351B2
Authority
JP
Japan
Prior art keywords
erase
gate
memory cell
line
insulating film
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
Application number
JP617281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57120296A (en
Inventor
Fujio Masuoka
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
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP617281A priority Critical patent/JPS57120296A/ja
Priority to US06/320,937 priority patent/US4437174A/en
Publication of JPS57120296A publication Critical patent/JPS57120296A/ja
Publication of JPS6130351B2 publication Critical patent/JPS6130351B2/ja
Granted 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
    • G11C16/06Auxiliary 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
    • G11C16/3477Circuits or methods to prevent overerasing of nonvolatile memory cells, e.g. by detecting onset or cessation of current flow in cells and using the detector output to terminate erasing
    • 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
    • G11C16/10Programming or data input circuits
    • G11C16/14Circuits for erasing electrically, e.g. erase voltage switching circuits
    • 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

Landscapes

  • Read Only Memory (AREA)
  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)
JP617281A 1981-01-19 1981-01-19 Semiconductor storage device Granted JPS57120296A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP617281A JPS57120296A (en) 1981-01-19 1981-01-19 Semiconductor storage device
US06/320,937 US4437174A (en) 1981-01-19 1981-11-13 Semiconductor memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP617281A JPS57120296A (en) 1981-01-19 1981-01-19 Semiconductor storage device

Publications (2)

Publication Number Publication Date
JPS57120296A JPS57120296A (en) 1982-07-27
JPS6130351B2 true JPS6130351B2 (fr) 1986-07-12

Family

ID=11631124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP617281A Granted JPS57120296A (en) 1981-01-19 1981-01-19 Semiconductor storage device

Country Status (1)

Country Link
JP (1) JPS57120296A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0758595B2 (ja) * 1988-10-21 1995-06-21 日本電気株式会社 半導体装置

Also Published As

Publication number Publication date
JPS57120296A (en) 1982-07-27

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