JPS5340236A - Semiconductor memory unit - Google Patents

Semiconductor memory unit

Info

Publication number
JPS5340236A
JPS5340236A JP11554676A JP11554676A JPS5340236A JP S5340236 A JPS5340236 A JP S5340236A JP 11554676 A JP11554676 A JP 11554676A JP 11554676 A JP11554676 A JP 11554676A JP S5340236 A JPS5340236 A JP S5340236A
Authority
JP
Japan
Prior art keywords
semiconductor memory
memory unit
high reliability
bit error
error correcting
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
JP11554676A
Other languages
Japanese (ja)
Inventor
Takashi Tabei
Kunio Tanaka
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 JP11554676A priority Critical patent/JPS5340236A/en
Publication of JPS5340236A publication Critical patent/JPS5340236A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Static Random-Access Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE:To present a semiconductor memory unit of a high reliability by using the semiconductor memory element of m-number words x n-number bits and a 1 bit error correcting circuit.
JP11554676A 1976-09-27 1976-09-27 Semiconductor memory unit Pending JPS5340236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11554676A JPS5340236A (en) 1976-09-27 1976-09-27 Semiconductor memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11554676A JPS5340236A (en) 1976-09-27 1976-09-27 Semiconductor memory unit

Publications (1)

Publication Number Publication Date
JPS5340236A true JPS5340236A (en) 1978-04-12

Family

ID=14665201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11554676A Pending JPS5340236A (en) 1976-09-27 1976-09-27 Semiconductor memory unit

Country Status (1)

Country Link
JP (1) JPS5340236A (en)

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