JPS5332A - Memory redundance system - Google Patents

Memory redundance system

Info

Publication number
JPS5332A
JPS5332A JP7487676A JP7487676A JPS5332A JP S5332 A JPS5332 A JP S5332A JP 7487676 A JP7487676 A JP 7487676A JP 7487676 A JP7487676 A JP 7487676A JP S5332 A JPS5332 A JP S5332A
Authority
JP
Japan
Prior art keywords
memory
redundance system
redundance
module
specifying
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
JP7487676A
Other languages
Japanese (ja)
Other versions
JPS6114540B2 (en
Inventor
Takashi Takesono
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 JP7487676A priority Critical patent/JPS5332A/en
Publication of JPS5332A publication Critical patent/JPS5332A/en
Publication of JPS6114540B2 publication Critical patent/JPS6114540B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE: To secure a selection by switching a defective module to an optional good-quality module without specifying the position for the auxiliary module.
COPYRIGHT: (C)1978,JPO&Japio
JP7487676A 1976-06-23 1976-06-23 Memory redundance system Granted JPS5332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7487676A JPS5332A (en) 1976-06-23 1976-06-23 Memory redundance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7487676A JPS5332A (en) 1976-06-23 1976-06-23 Memory redundance system

Publications (2)

Publication Number Publication Date
JPS5332A true JPS5332A (en) 1978-01-05
JPS6114540B2 JPS6114540B2 (en) 1986-04-19

Family

ID=13559972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7487676A Granted JPS5332A (en) 1976-06-23 1976-06-23 Memory redundance system

Country Status (1)

Country Link
JP (1) JPS5332A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625300A (en) * 1979-08-08 1981-03-11 Sharp Corp Switching controller for memory block
JPS58206000A (en) * 1982-05-24 1983-12-01 インタ−ナシヨナル ビジネス マシ−ンズ コ−ポレ−シヨン Memory system
JPS61286948A (en) * 1986-03-19 1986-12-17 Sharp Corp Switching controller for memory block
US4837091A (en) * 1983-07-07 1989-06-06 Inland Steel Company Diffusion alloy steel foil
WO2005076282A1 (en) * 2004-02-10 2005-08-18 Sharp Kabushiki Kaisha Semiconductor storage device
WO2005076283A1 (en) * 2004-02-10 2005-08-18 Sharp Kabushiki Kaisha Nonvolatile semiconductor storing device and block redundancy saving method
JP2006309815A (en) * 2005-04-26 2006-11-09 Fujitsu Ltd Semiconductor memory

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466829U (en) * 1990-10-18 1992-06-12
DE19922155A1 (en) * 1999-05-12 2000-11-23 Giesecke & Devrient Gmbh Memory arrangement and memory access procedure for microcomputers has an additional scrambling step to increase data security, for use in financial applications etc.
JP4786682B2 (en) * 2008-05-19 2011-10-05 株式会社東芝 Semiconductor integrated circuit device
US7835207B2 (en) * 2008-10-07 2010-11-16 Micron Technology, Inc. Stacked device remapping and repair
JP5415386B2 (en) * 2010-09-28 2014-02-12 シチズンホールディングス株式会社 Nonvolatile semiconductor memory device
JPWO2012137340A1 (en) * 2011-04-07 2014-07-28 富士通株式会社 Test method and semiconductor integrated circuit to which the test method is applied

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625300A (en) * 1979-08-08 1981-03-11 Sharp Corp Switching controller for memory block
JPS58206000A (en) * 1982-05-24 1983-12-01 インタ−ナシヨナル ビジネス マシ−ンズ コ−ポレ−シヨン Memory system
JPS6326419B2 (en) * 1982-05-24 1988-05-30 Intaanashonaru Bijinesu Mashiinzu Corp
US4837091A (en) * 1983-07-07 1989-06-06 Inland Steel Company Diffusion alloy steel foil
JPS61286948A (en) * 1986-03-19 1986-12-17 Sharp Corp Switching controller for memory block
WO2005076282A1 (en) * 2004-02-10 2005-08-18 Sharp Kabushiki Kaisha Semiconductor storage device
WO2005076283A1 (en) * 2004-02-10 2005-08-18 Sharp Kabushiki Kaisha Nonvolatile semiconductor storing device and block redundancy saving method
US7430144B2 (en) 2004-02-10 2008-09-30 Sharp Kabushiki Kaisha Semiconductor storage device
US7460419B2 (en) 2004-02-10 2008-12-02 Sharp Kabushiki Kaisha Nonvolatile semiconductor storing device and block redundancy saving method
JP2006309815A (en) * 2005-04-26 2006-11-09 Fujitsu Ltd Semiconductor memory

Also Published As

Publication number Publication date
JPS6114540B2 (en) 1986-04-19

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