JPS5570997A - Error bit check system for read only memory - Google Patents
Error bit check system for read only memoryInfo
- Publication number
- JPS5570997A JPS5570997A JP14171878A JP14171878A JPS5570997A JP S5570997 A JPS5570997 A JP S5570997A JP 14171878 A JP14171878 A JP 14171878A JP 14171878 A JP14171878 A JP 14171878A JP S5570997 A JPS5570997 A JP S5570997A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- rom
- read
- memory
- error bit
- 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
Links
Landscapes
- Hardware Redundancy (AREA)
- Read Only Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14171878A JPS5570997A (en) | 1978-11-18 | 1978-11-18 | Error bit check system for read only memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14171878A JPS5570997A (en) | 1978-11-18 | 1978-11-18 | Error bit check system for read only memory |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5570997A true JPS5570997A (en) | 1980-05-28 |
JPS6130301B2 JPS6130301B2 (US20090163788A1-20090625-C00002.png) | 1986-07-12 |
Family
ID=15298575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14171878A Granted JPS5570997A (en) | 1978-11-18 | 1978-11-18 | Error bit check system for read only memory |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5570997A (US20090163788A1-20090625-C00002.png) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5844488A (ja) * | 1981-09-11 | 1983-03-15 | 日本電信電話株式会社 | パタン発生装置 |
JPS6063651A (ja) * | 1983-09-17 | 1985-04-12 | Nippon Telegr & Teleph Corp <Ntt> | 記憶装置 |
JPS61267846A (ja) * | 1984-11-12 | 1986-11-27 | Nec Corp | メモリを有する集積回路装置 |
JPS63186350A (ja) * | 1987-01-28 | 1988-08-01 | Nec Corp | パタ−ン発生回路 |
JPS6444720U (US20090163788A1-20090625-C00002.png) * | 1987-09-11 | 1989-03-17 | ||
JP2011154582A (ja) * | 2010-01-28 | 2011-08-11 | Seiko Epson Corp | 集積回路装置、電子機器 |
-
1978
- 1978-11-18 JP JP14171878A patent/JPS5570997A/ja active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5844488A (ja) * | 1981-09-11 | 1983-03-15 | 日本電信電話株式会社 | パタン発生装置 |
JPS6063651A (ja) * | 1983-09-17 | 1985-04-12 | Nippon Telegr & Teleph Corp <Ntt> | 記憶装置 |
JPS6233625B2 (US20090163788A1-20090625-C00002.png) * | 1983-09-17 | 1987-07-22 | Nippon Telegraph & Telephone | |
JPS61267846A (ja) * | 1984-11-12 | 1986-11-27 | Nec Corp | メモリを有する集積回路装置 |
JPS63186350A (ja) * | 1987-01-28 | 1988-08-01 | Nec Corp | パタ−ン発生回路 |
JPS6444720U (US20090163788A1-20090625-C00002.png) * | 1987-09-11 | 1989-03-17 | ||
JP2011154582A (ja) * | 2010-01-28 | 2011-08-11 | Seiko Epson Corp | 集積回路装置、電子機器 |
Also Published As
Publication number | Publication date |
---|---|
JPS6130301B2 (US20090163788A1-20090625-C00002.png) | 1986-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6464051A (en) | Automatically sizing memory system | |
KR900005456A (ko) | 직렬 억세스 메모리 내장형 반도체 메모리 장치 | |
JPS5570997A (en) | Error bit check system for read only memory | |
JPS55134442A (en) | Data transfer unit | |
JPS57111669A (en) | Output system for conjugation form of word | |
JPS5532110A (en) | Check circuit for error correcting circuit | |
JPS57103547A (en) | Bit word access circuit | |
JPS55163697A (en) | Memory device | |
JPS5467337A (en) | Video memory unit | |
JPS5617442A (en) | Parity error processing system | |
JPS56121155A (en) | Address coincidence detection circuit | |
JPS5563420A (en) | Detector for data train | |
JPS5637899A (en) | Memory malfunction detection system | |
JPS5637892A (en) | Memory unit | |
JPS5557962A (en) | Error detection system | |
JPS5452946A (en) | Semiconductor element | |
JPS5622292A (en) | Memory element | |
JPS56157523A (en) | Display control system | |
JPS5619226A (en) | Pulse detecting circuit | |
JPS5556262A (en) | Operation hysteresis retention system | |
JPS5583960A (en) | Paragraph associater | |
JPS55139699A (en) | Error detection system of memory unit | |
JPS5661096A (en) | Error detection system for read only memory electrically erasable | |
JPS5727342A (en) | Error checking system for error detecting correcting circuit | |
JPS55157043A (en) | Information processor |