JPS5439530A - Protection circuit for destriction of mos-ic memory - Google Patents

Protection circuit for destriction of mos-ic memory

Info

Publication number
JPS5439530A
JPS5439530A JP10581977A JP10581977A JPS5439530A JP S5439530 A JPS5439530 A JP S5439530A JP 10581977 A JP10581977 A JP 10581977A JP 10581977 A JP10581977 A JP 10581977A JP S5439530 A JPS5439530 A JP S5439530A
Authority
JP
Japan
Prior art keywords
memory
mos
destriction
protection circuit
resistor
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.)
Pending
Application number
JP10581977A
Other languages
Japanese (ja)
Inventor
Shigetoshi Sakamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10581977A priority Critical patent/JPS5439530A/en
Publication of JPS5439530A publication Critical patent/JPS5439530A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Static Random-Access Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE:To protect MOS-IC memory from destruction effectively, even if the bias power supply input potential is increased to either positive or negative direction, with a simple circuit constitution only employing a resistor and a zener diode.
JP10581977A 1977-09-05 1977-09-05 Protection circuit for destriction of mos-ic memory Pending JPS5439530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10581977A JPS5439530A (en) 1977-09-05 1977-09-05 Protection circuit for destriction of mos-ic memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10581977A JPS5439530A (en) 1977-09-05 1977-09-05 Protection circuit for destriction of mos-ic memory

Publications (1)

Publication Number Publication Date
JPS5439530A true JPS5439530A (en) 1979-03-27

Family

ID=14417675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10581977A Pending JPS5439530A (en) 1977-09-05 1977-09-05 Protection circuit for destriction of mos-ic memory

Country Status (1)

Country Link
JP (1) JPS5439530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01229489A (en) * 1988-03-09 1989-09-13 Agency Of Ind Science & Technol Gaas semiconductor integrated circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01229489A (en) * 1988-03-09 1989-09-13 Agency Of Ind Science & Technol Gaas semiconductor integrated circuit

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