JPS5425637A - Memory unit - Google Patents

Memory unit

Info

Publication number
JPS5425637A
JPS5425637A JP9121477A JP9121477A JPS5425637A JP S5425637 A JPS5425637 A JP S5425637A JP 9121477 A JP9121477 A JP 9121477A JP 9121477 A JP9121477 A JP 9121477A JP S5425637 A JPS5425637 A JP S5425637A
Authority
JP
Japan
Prior art keywords
memory unit
test
restricted
installing
memory section
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.)
Granted
Application number
JP9121477A
Other languages
Japanese (ja)
Other versions
JPS5826120B2 (en
Inventor
Yasutaka Hirozawa
Kazuo Fujisaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP52091214A priority Critical patent/JPS5826120B2/en
Publication of JPS5425637A publication Critical patent/JPS5425637A/en
Publication of JPS5826120B2 publication Critical patent/JPS5826120B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)

Abstract

PURPOSE: To perfectly perform the test for the error correcting code related parts in addition to the data memory section, even if the test write-in data pattern is restricted, by installing the error correction code inversion means.
COPYRIGHT: (C)1979,JPO&Japio
JP52091214A 1977-07-29 1977-07-29 Storage device Expired JPS5826120B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52091214A JPS5826120B2 (en) 1977-07-29 1977-07-29 Storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52091214A JPS5826120B2 (en) 1977-07-29 1977-07-29 Storage device

Publications (2)

Publication Number Publication Date
JPS5425637A true JPS5425637A (en) 1979-02-26
JPS5826120B2 JPS5826120B2 (en) 1983-05-31

Family

ID=14020164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52091214A Expired JPS5826120B2 (en) 1977-07-29 1977-07-29 Storage device

Country Status (1)

Country Link
JP (1) JPS5826120B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58122537U (en) * 1982-02-12 1983-08-20 熊田　利司 Simple shoe horn with numbered shoe ticket
JPS58175200A (en) * 1982-04-08 1983-10-14 Fujitsu Ltd Checking system of storage system
JPS61139857A (en) * 1984-12-12 1986-06-27 Fujitsu Ltd Inspection system for memory circuit
JPS61226853A (en) * 1985-03-30 1986-10-08 Toshiba Corp Test circuit for error detection correcting function semiconductor memory

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231625A (en) * 1975-09-05 1977-03-10 Hitachi Ltd Memory test method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231625A (en) * 1975-09-05 1977-03-10 Hitachi Ltd Memory test method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58122537U (en) * 1982-02-12 1983-08-20 熊田　利司 Simple shoe horn with numbered shoe ticket
JPS58175200A (en) * 1982-04-08 1983-10-14 Fujitsu Ltd Checking system of storage system
JPS6235703B2 (en) * 1982-04-08 1987-08-03 Fujitsu Ltd
JPS61139857A (en) * 1984-12-12 1986-06-27 Fujitsu Ltd Inspection system for memory circuit
JPS61226853A (en) * 1985-03-30 1986-10-08 Toshiba Corp Test circuit for error detection correcting function semiconductor memory

Also Published As

Publication number Publication date
JPS5826120B2 (en) 1983-05-31

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