JPS5593598A - Memory unit - Google Patents
Memory unitInfo
- Publication number
- JPS5593598A JPS5593598A JP80679A JP80679A JPS5593598A JP S5593598 A JPS5593598 A JP S5593598A JP 80679 A JP80679 A JP 80679A JP 80679 A JP80679 A JP 80679A JP S5593598 A JPS5593598 A JP S5593598A
- Authority
- JP
- Japan
- Prior art keywords
- reproducing
- blocks
- circuits
- generated
- memory unit
- 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
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Memory System (AREA)
Abstract
PURPOSE: To correct errors for every reproducing and reduce the cell area to make a memory unit high-integration by constituting an error correction circuit between respective cell blocks.
CONSTITUTION: Parity generated in parity generation circuits 31W32 are stored in dummy memory cell blocks 5W6 respectively according to information of memory cell blocks 1W4 separated from one another, and error correction circuits 33W34 are constituted between respective blocks. Then, an error generated in a single block or reproducing circuit out of respective blocks or reproducing circuit 11W14 or errors generated simultaneously in adjacent blocks or reproducing circuits are corrected on the chip at a reproducing time by α rays.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80679A JPS5593598A (en) | 1979-01-05 | 1979-01-05 | Memory unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP80679A JPS5593598A (en) | 1979-01-05 | 1979-01-05 | Memory unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5593598A true JPS5593598A (en) | 1980-07-16 |
Family
ID=11483918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP80679A Pending JPS5593598A (en) | 1979-01-05 | 1979-01-05 | Memory unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5593598A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621198A (en) * | 1985-06-26 | 1987-01-07 | Hitachi Ltd | Semiconductor memory and its testing method |
| JP2003077294A (en) * | 2001-08-31 | 2003-03-14 | Mitsubishi Electric Corp | Memory circuit |
| JP2007220278A (en) * | 2006-02-13 | 2007-08-30 | Samsung Electronics Co Ltd | Semiconductor memory device and memory system including the same |
| WO2011067892A1 (en) * | 2009-12-03 | 2011-06-09 | パナソニック株式会社 | Semiconductor memory device |
| JP2011238309A (en) * | 2010-05-07 | 2011-11-24 | Fujitsu Semiconductor Ltd | Semiconductor memory, system and manufacturing method of semiconductor memory |
| JP2013041662A (en) * | 2012-09-25 | 2013-02-28 | Renesas Electronics Corp | Semiconductor device |
| JPWO2012124063A1 (en) * | 2011-03-15 | 2014-07-17 | 富士通株式会社 | Semiconductor memory device and method for controlling semiconductor memory device |
-
1979
- 1979-01-05 JP JP80679A patent/JPS5593598A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621198A (en) * | 1985-06-26 | 1987-01-07 | Hitachi Ltd | Semiconductor memory and its testing method |
| JP2003077294A (en) * | 2001-08-31 | 2003-03-14 | Mitsubishi Electric Corp | Memory circuit |
| JP2007220278A (en) * | 2006-02-13 | 2007-08-30 | Samsung Electronics Co Ltd | Semiconductor memory device and memory system including the same |
| US8756475B2 (en) | 2006-02-13 | 2014-06-17 | Samsung Electronics Co., Ltd. | Method of detecting error in a semiconductor memory device |
| WO2011067892A1 (en) * | 2009-12-03 | 2011-06-09 | パナソニック株式会社 | Semiconductor memory device |
| US8687440B2 (en) | 2009-12-03 | 2014-04-01 | Panasonic Corporation | Semiconductor memory device |
| JP2011238309A (en) * | 2010-05-07 | 2011-11-24 | Fujitsu Semiconductor Ltd | Semiconductor memory, system and manufacturing method of semiconductor memory |
| JPWO2012124063A1 (en) * | 2011-03-15 | 2014-07-17 | 富士通株式会社 | Semiconductor memory device and method for controlling semiconductor memory device |
| JP2013041662A (en) * | 2012-09-25 | 2013-02-28 | Renesas Electronics Corp | Semiconductor device |
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