GB2444178B - Using sector protection information in a semiconductor memory device - Google Patents

Using sector protection information in a semiconductor memory device

Info

Publication number
GB2444178B
GB2444178B GB0723211A GB0723211A GB2444178B GB 2444178 B GB2444178 B GB 2444178B GB 0723211 A GB0723211 A GB 0723211A GB 0723211 A GB0723211 A GB 0723211A GB 2444178 B GB2444178 B GB 2444178B
Authority
GB
United Kingdom
Prior art keywords
memory device
semiconductor memory
protection information
sector protection
sector
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 - Fee Related
Application number
GB0723211A
Other versions
GB2444178A (en
GB0723211D0 (en
Inventor
Kido Kazunari
Yamashita Minoru
Kurihara Kazuhiro
Hatakeyama Atsushi
Wada Hiroaki
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.)
Spansion Japan Ltd
Spansion LLC
Original Assignee
Spansion Japan Ltd
Spansion LLC
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 Spansion Japan Ltd, Spansion LLC filed Critical Spansion Japan Ltd
Priority to GB0723211A priority Critical patent/GB2444178B/en
Priority claimed from GB0622237A external-priority patent/GB2427949B/en
Publication of GB0723211D0 publication Critical patent/GB0723211D0/en
Publication of GB2444178A publication Critical patent/GB2444178A/en
Application granted granted Critical
Publication of GB2444178B publication Critical patent/GB2444178B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11C16/08—Address circuits; Decoders; Word-line control 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
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Read Only Memory (AREA)
GB0723211A 2004-05-11 2004-05-11 Using sector protection information in a semiconductor memory device Expired - Fee Related GB2444178B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0723211A GB2444178B (en) 2004-05-11 2004-05-11 Using sector protection information in a semiconductor memory device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0723211A GB2444178B (en) 2004-05-11 2004-05-11 Using sector protection information in a semiconductor memory device
GB0622237A GB2427949B (en) 2004-05-11 2004-05-11 Semiconductor device and control method of the same

Publications (3)

Publication Number Publication Date
GB0723211D0 GB0723211D0 (en) 2008-01-09
GB2444178A GB2444178A (en) 2008-05-28
GB2444178B true GB2444178B (en) 2008-08-13

Family

ID=38962200

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0723211A Expired - Fee Related GB2444178B (en) 2004-05-11 2004-05-11 Using sector protection information in a semiconductor memory device

Country Status (1)

Country Link
GB (1) GB2444178B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108563590B (en) * 2018-06-28 2024-02-23 北京智芯微电子科技有限公司 OTP controller and control method based on-chip FLASH memory

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10188577A (en) * 1996-12-19 1998-07-21 Sony Corp Semiconductor non-volatile memory
US5991197A (en) * 1997-10-17 1999-11-23 Mitsubishi Denki Kabushiki Kaisha Semiconductor memory device having data protection feature
US20030117844A1 (en) * 2000-05-02 2003-06-26 Fujitsu Limited Electronically rewritable non-volatile semiconductor memory device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10188577A (en) * 1996-12-19 1998-07-21 Sony Corp Semiconductor non-volatile memory
US5991197A (en) * 1997-10-17 1999-11-23 Mitsubishi Denki Kabushiki Kaisha Semiconductor memory device having data protection feature
US20030117844A1 (en) * 2000-05-02 2003-06-26 Fujitsu Limited Electronically rewritable non-volatile semiconductor memory device

Also Published As

Publication number Publication date
GB2444178A (en) 2008-05-28
GB0723211D0 (en) 2008-01-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230511