JPS52112243A - Error detection system for exclusive reading memory - Google Patents

Error detection system for exclusive reading memory

Info

Publication number
JPS52112243A
JPS52112243A JP2893976A JP2893976A JPS52112243A JP S52112243 A JPS52112243 A JP S52112243A JP 2893976 A JP2893976 A JP 2893976A JP 2893976 A JP2893976 A JP 2893976A JP S52112243 A JPS52112243 A JP S52112243A
Authority
JP
Japan
Prior art keywords
error detection
detection system
reading memory
exclusive reading
memory
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
JP2893976A
Other languages
Japanese (ja)
Inventor
Norio Hida
Masazumi Ishibashi
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal Co 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP2893976A priority Critical patent/JPS52112243A/en
Publication of JPS52112243A publication Critical patent/JPS52112243A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements

Landscapes

  • Detection And Correction Of Errors (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE:To detect the error of reading data through comparison and collation of reading data by providing the error detection check pattern to memory block of package unit, corresponding to semiconductor IC memory of exclusive reading memory.
JP2893976A 1976-03-17 1976-03-17 Error detection system for exclusive reading memory Pending JPS52112243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2893976A JPS52112243A (en) 1976-03-17 1976-03-17 Error detection system for exclusive reading memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2893976A JPS52112243A (en) 1976-03-17 1976-03-17 Error detection system for exclusive reading memory

Publications (1)

Publication Number Publication Date
JPS52112243A true JPS52112243A (en) 1977-09-20

Family

ID=12262365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2893976A Pending JPS52112243A (en) 1976-03-17 1976-03-17 Error detection system for exclusive reading memory

Country Status (1)

Country Link
JP (1) JPS52112243A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512531A (en) * 1978-07-10 1980-01-29 Hitachi Ltd Memory unit
JPS5580894A (en) * 1978-12-08 1980-06-18 Hitachi Ltd Error recovery system for control memory
JPS5595154A (en) * 1978-12-27 1980-07-19 Cii Device for testing control characters stored in memory
JPS5683898A (en) * 1979-12-12 1981-07-08 Casio Comput Co Ltd Prom error detection system
JPS56147249A (en) * 1980-04-18 1981-11-16 Fujitsu Ltd Self-diagnostic processing system for unit made into firmware

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512531A (en) * 1978-07-10 1980-01-29 Hitachi Ltd Memory unit
JPS5580894A (en) * 1978-12-08 1980-06-18 Hitachi Ltd Error recovery system for control memory
JPS6218944B2 (en) * 1978-12-08 1987-04-25 Hitachi Ltd
JPS5595154A (en) * 1978-12-27 1980-07-19 Cii Device for testing control characters stored in memory
JPS6258021B2 (en) * 1978-12-27 1987-12-03 See Ii Ii Haneueru Buru
JPS5683898A (en) * 1979-12-12 1981-07-08 Casio Comput Co Ltd Prom error detection system
JPS56147249A (en) * 1980-04-18 1981-11-16 Fujitsu Ltd Self-diagnostic processing system for unit made into firmware

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