JPH0547920B2 - - Google Patents

Info

Publication number
JPH0547920B2
JPH0547920B2 JP22776082A JP22776082A JPH0547920B2 JP H0547920 B2 JPH0547920 B2 JP H0547920B2 JP 22776082 A JP22776082 A JP 22776082A JP 22776082 A JP22776082 A JP 22776082A JP H0547920 B2 JPH0547920 B2 JP H0547920B2
Authority
JP
Japan
Prior art keywords
data
memory cell
output
nonvolatile semiconductor
reading
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
JP22776082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59121696A (ja
Inventor
Hideki Sumihara
Hiroshi Iwahashi
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 JP57227760A priority Critical patent/JPS59121696A/ja
Publication of JPS59121696A publication Critical patent/JPS59121696A/ja
Publication of JPH0547920B2 publication Critical patent/JPH0547920B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards

Landscapes

  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
JP57227760A 1982-12-28 1982-12-28 不揮発性半導体メモリ Granted JPS59121696A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57227760A JPS59121696A (ja) 1982-12-28 1982-12-28 不揮発性半導体メモリ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57227760A JPS59121696A (ja) 1982-12-28 1982-12-28 不揮発性半導体メモリ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP14416892A Division JP2502008B2 (ja) 1992-06-04 1992-06-04 不揮発性半導体メモリ

Publications (2)

Publication Number Publication Date
JPS59121696A JPS59121696A (ja) 1984-07-13
JPH0547920B2 true JPH0547920B2 (de) 1993-07-20

Family

ID=16865941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57227760A Granted JPS59121696A (ja) 1982-12-28 1982-12-28 不揮発性半導体メモリ

Country Status (1)

Country Link
JP (1) JPS59121696A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165892A (ja) * 1985-01-17 1986-07-26 Matsushita Electric Ind Co Ltd 不揮発性メモリの書込回路
EP1031992B1 (de) 1989-04-13 2006-06-21 SanDisk Corporation EEprom-System mit Blocklöschung
US7190617B1 (en) 1989-04-13 2007-03-13 Sandisk Corporation Flash EEprom system
KR100478172B1 (ko) 1995-01-31 2005-03-23 가부시끼가이샤 히다치 세이사꾸쇼 반도체 메모리 장치
US6320785B1 (en) 1996-07-10 2001-11-20 Hitachi, Ltd. Nonvolatile semiconductor memory device and data writing method therefor
JP3062730B2 (ja) 1996-07-10 2000-07-12 株式会社日立製作所 不揮発性半導体記憶装置および書込み方法
JP3629144B2 (ja) * 1998-06-01 2005-03-16 株式会社東芝 不揮発性半導体記憶装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146841A (de) * 1974-10-21 1976-04-21 Tokyo Shibaura Electric Co
JPS54161853A (en) * 1978-06-12 1979-12-21 Seiko Epson Corp Read-only memory

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146841A (de) * 1974-10-21 1976-04-21 Tokyo Shibaura Electric Co
JPS54161853A (en) * 1978-06-12 1979-12-21 Seiko Epson Corp Read-only memory

Also Published As

Publication number Publication date
JPS59121696A (ja) 1984-07-13

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