JPS5384654A - Error correction circuit having test function - Google Patents
Error correction circuit having test functionInfo
- 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
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
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)
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)
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 |
-
1976
- 1976-12-30 JP JP15922076A patent/JPS5384654A/en active Pending
Patent Citations (2)
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)
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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