JPS5384654A - Error correction circuit having test function - Google Patents

Error correction circuit having test function

Info

Publication number
JPS5384654A
JPS5384654A JP15922076A JP15922076A JPS5384654A JP S5384654 A JPS5384654 A JP S5384654A JP 15922076 A JP15922076 A JP 15922076A JP 15922076 A JP15922076 A JP 15922076A JP S5384654 A JPS5384654 A JP S5384654A
Authority
JP
Japan
Prior art keywords
error correction
correction circuit
test function
test
circuit
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
JP15922076A
Other languages
Japanese (ja)
Inventor
Yukio Soma
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 JP15922076A priority Critical patent/JPS5384654A/en
Publication of JPS5384654A publication Critical patent/JPS5384654A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To make it possible to test an error correction circuit by inverting a check bit via a bit inverter circuit and by generating a trouble pattern possibly occurring in the error correction circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP15922076A 1976-12-30 1976-12-30 Error correction circuit having test function Pending JPS5384654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15922076A JPS5384654A (en) 1976-12-30 1976-12-30 Error correction circuit having test function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15922076A JPS5384654A (en) 1976-12-30 1976-12-30 Error correction circuit having test function

Publications (1)

Publication Number Publication Date
JPS5384654A true JPS5384654A (en) 1978-07-26

Family

ID=15688949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15922076A Pending JPS5384654A (en) 1976-12-30 1976-12-30 Error correction circuit having test function

Country Status (1)

Country Link
JP (1) JPS5384654A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138099A (en) * 1981-02-18 1982-08-26 Nec Corp Information processor
JPS59200349A (en) * 1983-04-27 1984-11-13 Nec Corp Diagnosis circuit for error correction circuit
JPS61226853A (en) * 1985-03-30 1986-10-08 Toshiba Corp Test circuit for error detection correcting function semiconductor memory
JPS626353A (en) * 1985-07-02 1987-01-13 Nippon Denki Kanji Syst Kk Memory device
JPH0414148A (en) * 1990-05-08 1992-01-20 Yamatake Honeywell Co Ltd Test method for parity check circuit
CN104731671A (en) * 2013-12-20 2015-06-24 炬芯（珠海）科技有限公司 Error insertion device and method and verification equipment and method of error correcting code circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099243A (en) * 1973-12-28 1975-08-06
JPS51147147A (en) * 1975-06-12 1976-12-17 Nec Corp Diagnosis circuit for failure detection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099243A (en) * 1973-12-28 1975-08-06
JPS51147147A (en) * 1975-06-12 1976-12-17 Nec Corp Diagnosis circuit for failure detection

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138099A (en) * 1981-02-18 1982-08-26 Nec Corp Information processor
JPS6232821B2 (en) * 1981-02-18 1987-07-16 Nippon Electric Co
JPS59200349A (en) * 1983-04-27 1984-11-13 Nec Corp Diagnosis circuit for error correction circuit
JPS61226853A (en) * 1985-03-30 1986-10-08 Toshiba Corp Test circuit for error detection correcting function semiconductor memory
JPS626353A (en) * 1985-07-02 1987-01-13 Nippon Denki Kanji Syst Kk Memory device
JPH0414148A (en) * 1990-05-08 1992-01-20 Yamatake Honeywell Co Ltd Test method for parity check circuit
CN104731671A (en) * 2013-12-20 2015-06-24 炬芯（珠海）科技有限公司 Error insertion device and method and verification equipment and method of error correcting code circuit
CN104731671B (en) * 2013-12-20 2018-09-25 炬芯（珠海）科技有限公司 A kind of verification device and method of wrong plug device and method, error-correcting code circuit

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