JPS5712487A - Analyzing device of integrated circuit memory cell array - Google Patents

Analyzing device of integrated circuit memory cell array

Info

Publication number
JPS5712487A
JPS5712487A JP8659880A JP8659880A JPS5712487A JP S5712487 A JPS5712487 A JP S5712487A JP 8659880 A JP8659880 A JP 8659880A JP 8659880 A JP8659880 A JP 8659880A JP S5712487 A JPS5712487 A JP S5712487A
Authority
JP
Japan
Prior art keywords
memory cell
memory
information
address data
address
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
JP8659880A
Other languages
Japanese (ja)
Inventor
Kunio Matsumoto
Kiyoshi Matsui
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 JP8659880A priority Critical patent/JPS5712487A/en
Publication of JPS5712487A publication Critical patent/JPS5712487A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam

Landscapes

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Static Random-Access Memory (AREA)

Abstract

PURPOSE:To obtain the memory map information in a quick and easy way, by having a relationship between the physical position information of a memory cell to be analyzed and the address data of an ultraviolt-ray spot irradiated memory cell. CONSTITUTION:The information is written into all memories of an IC memory 12 to be analyzed through a memory write/read part 18. Then an ultraviolet-ray spot irradiation part 10 is actuated to give an irradiation to a memory cell until the information to which the ultraviolet rays are written is delivered. The part 18 is actuated to renew the addresses and at the same time reads the storage information of the memory cell, and the address where the storage information is erased is searched through a memory address detection part 19. This address data is sent to a memory cell map synthesizing part 20. At the part 20, a relationship is given between the address data given from the part 19 and the physical position information of memory cell which is sent from an X-Y stage position measuring device 16, and thus a memory map is synthesized. After this, the same operation is repeated for all memory cells.
JP8659880A 1980-06-27 1980-06-27 Analyzing device of integrated circuit memory cell array Pending JPS5712487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8659880A JPS5712487A (en) 1980-06-27 1980-06-27 Analyzing device of integrated circuit memory cell array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8659880A JPS5712487A (en) 1980-06-27 1980-06-27 Analyzing device of integrated circuit memory cell array

Publications (1)

Publication Number Publication Date
JPS5712487A true JPS5712487A (en) 1982-01-22

Family

ID=13891441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8659880A Pending JPS5712487A (en) 1980-06-27 1980-06-27 Analyzing device of integrated circuit memory cell array

Country Status (1)

Country Link
JP (1) JPS5712487A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128793A (en) * 1983-01-13 1984-07-24 株式会社　東電舎 Method of controlling induction directly-heated core wire continuous heating machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128793A (en) * 1983-01-13 1984-07-24 株式会社　東電舎 Method of controlling induction directly-heated core wire continuous heating machine
JPH0375996B2 (en) * 1983-01-13 1991-12-04 Todensha Electric Mfg

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