JPS56153592A - Output memory device - Google Patents

Output memory device

Info

Publication number
JPS56153592A
JPS56153592A JP5662180A JP5662180A JPS56153592A JP S56153592 A JPS56153592 A JP S56153592A JP 5662180 A JP5662180 A JP 5662180A JP 5662180 A JP5662180 A JP 5662180A JP S56153592 A JPS56153592 A JP S56153592A
Authority
JP
Japan
Prior art keywords
signal
parity
circuit
data
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.)
Granted
Application number
JP5662180A
Other languages
Japanese (ja)
Other versions
JPS6042505B2 (en
Inventor
Tetsuo Ishii
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55056621A priority Critical patent/JPS6042505B2/en
Publication of JPS56153592A publication Critical patent/JPS56153592A/en
Publication of JPS6042505B2 publication Critical patent/JPS6042505B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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

Abstract

PURPOSE:To enable to check failure of storage operation of the output memory device, by comparing the parity signal added to the input data with the parity signal added to the memory output data. CONSTITUTION:The parity signal F with the input data A is given to the parity coincidence detection circuit 21. After that, the memory 11 reads in the data A with the normal confirmation output H of the read-in control signal circuit 13 and the parity signal K is delivered from the parity addition circuit 16, then the signal K is given to the circuit 21. The circuit 21 returns the parity check read-in end signal L to the control section 1 when the signals F and K are in agreement and the read-in end signal J is obtained at the time delay circuit 15. The control section 1 can judge the correct transfer of the data A to each memory device and the stored data A in this memory 11 correctly, through the return of the signal L.
JP55056621A 1980-04-25 1980-04-25 output memory device Expired JPS6042505B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55056621A JPS6042505B2 (en) 1980-04-25 1980-04-25 output memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55056621A JPS6042505B2 (en) 1980-04-25 1980-04-25 output memory device

Publications (2)

Publication Number Publication Date
JPS56153592A true JPS56153592A (en) 1981-11-27
JPS6042505B2 JPS6042505B2 (en) 1985-09-24

Family

ID=13032347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55056621A Expired JPS6042505B2 (en) 1980-04-25 1980-04-25 output memory device

Country Status (1)

Country Link
JP (1) JPS6042505B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61180341U (en) * 1985-04-30 1986-11-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61180341U (en) * 1985-04-30 1986-11-11

Also Published As

Publication number Publication date
JPS6042505B2 (en) 1985-09-24

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