FR2666917B1 - DUAL ACCESS STORAGE DEVICE. - Google Patents
DUAL ACCESS STORAGE DEVICE.Info
- Publication number
- FR2666917B1 FR2666917B1 FR9011389A FR9011389A FR2666917B1 FR 2666917 B1 FR2666917 B1 FR 2666917B1 FR 9011389 A FR9011389 A FR 9011389A FR 9011389 A FR9011389 A FR 9011389A FR 2666917 B1 FR2666917 B1 FR 2666917B1
- Authority
- FR
- France
- Prior art keywords
- storage device
- access storage
- dual access
- dual
- storage
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/816—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout
- G11C29/818—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout for an application-specific layout for dual-port memories
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1075—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for multiport memories each having random access ports and serial ports, e.g. video RAM
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/86—Masking faults in memories by using spares or by reconfiguring in serial access memories, e.g. shift registers, CCDs, bubble memories
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Dram (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9020183A GB2247965B (en) | 1990-09-14 | 1990-09-14 | Dual-port memory device |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2666917A1 FR2666917A1 (en) | 1992-03-20 |
FR2666917B1 true FR2666917B1 (en) | 1994-02-18 |
Family
ID=10682252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9011389A Expired - Lifetime FR2666917B1 (en) | 1990-09-14 | 1990-09-14 | DUAL ACCESS STORAGE DEVICE. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4029247C2 (en) |
FR (1) | FR2666917B1 (en) |
GB (1) | GB2247965B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5646896A (en) * | 1995-10-31 | 1997-07-08 | Hyundai Electronics America | Memory device with reduced number of fuses |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60501878A (en) * | 1983-07-14 | 1985-10-31 | アドバンスト・マイクロ・ディバイシズ・インコ−ポレ−テッド | Byte-wide memory circuit with column redundancy circuit |
JPS6148200A (en) * | 1984-08-14 | 1986-03-08 | Fujitsu Ltd | Semiconductor memory device |
DE3587309T2 (en) * | 1985-01-22 | 1993-10-21 | Texas Instruments Inc | Multiple video storage system with picture element mapping. |
US4719601A (en) * | 1986-05-02 | 1988-01-12 | International Business Machine Corporation | Column redundancy for two port random access memory |
JPH0283899A (en) * | 1988-09-20 | 1990-03-23 | Fujitsu Ltd | Semiconductor memory |
JPH0289299A (en) * | 1988-09-27 | 1990-03-29 | Nec Corp | Semiconductor storage device |
-
1990
- 1990-09-14 FR FR9011389A patent/FR2666917B1/en not_active Expired - Lifetime
- 1990-09-14 GB GB9020183A patent/GB2247965B/en not_active Expired - Lifetime
- 1990-09-14 DE DE19904029247 patent/DE4029247C2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4029247C2 (en) | 1994-04-14 |
GB2247965A (en) | 1992-03-18 |
GB2247965B (en) | 1994-08-24 |
FR2666917A1 (en) | 1992-03-20 |
DE4029247A1 (en) | 1992-03-19 |
GB9020183D0 (en) | 1990-10-24 |
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