JPS571063B2 - - Google Patents
Info
- Publication number
- JPS571063B2 JPS571063B2 JP4320375A JP4320375A JPS571063B2 JP S571063 B2 JPS571063 B2 JP S571063B2 JP 4320375 A JP4320375 A JP 4320375A JP 4320375 A JP4320375 A JP 4320375A JP S571063 B2 JPS571063 B2 JP S571063B2
- Authority
- JP
- Japan
- 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
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
- G11C29/86—Masking faults in memories by using spares or by reconfiguring in serial access memories, e.g. shift registers, CCDs, bubble memories
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0875—Organisation of a plurality of magnetic shift registers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0875—Organisation of a plurality of magnetic shift registers
- G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50043203A JPS51118341A (en) | 1975-04-11 | 1975-04-11 | Shift register type memory |
| US05/675,338 US4125875A (en) | 1975-04-11 | 1976-04-09 | Fault tolerant shift register type memory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50043203A JPS51118341A (en) | 1975-04-11 | 1975-04-11 | Shift register type memory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51118341A JPS51118341A (en) | 1976-10-18 |
| JPS571063B2 true JPS571063B2 (enExample) | 1982-01-09 |
Family
ID=12657361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50043203A Granted JPS51118341A (en) | 1975-04-11 | 1975-04-11 | Shift register type memory |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4125875A (enExample) |
| JP (1) | JPS51118341A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599102B2 (ja) * | 1977-11-30 | 1984-02-29 | 株式会社日立製作所 | メモリ装置 |
| GB1596990A (en) * | 1977-05-16 | 1981-09-03 | Texas Instruments Inc | Bubble memory redundancy storage |
| JPS5847787B2 (ja) * | 1977-11-11 | 1983-10-25 | 富士通株式会社 | 磁気バブルカセツトメモリ |
| US4164027A (en) * | 1978-04-07 | 1979-08-07 | Control Data Corporation | Fault tolerant bubble memory with a single major loop having an integral stationary register |
| US4259727A (en) * | 1978-06-30 | 1981-03-31 | Fujitsu Limited | Magnetic bubble memory device |
| US4225941A (en) * | 1978-10-30 | 1980-09-30 | Trw Inc. | Controller for bubble memories |
| US4228522A (en) * | 1979-01-15 | 1980-10-14 | National Semiconductor Corporation | Bubble memory with redundant on chip error map storage loops |
| US4386417A (en) * | 1981-06-30 | 1983-05-31 | International Business Machines Corporation | High performance bubble chip architecture |
| JPS6148200A (ja) * | 1984-08-14 | 1986-03-08 | Fujitsu Ltd | 半導体記憶装置 |
| JPWO2008059638A1 (ja) * | 2006-11-13 | 2010-02-25 | パナソニック株式会社 | 半導体装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427693B2 (enExample) * | 1971-10-30 | 1979-09-11 | ||
| GB1371597A (en) * | 1972-05-01 | 1974-10-23 | Ibm | Bubble domain memory system |
| US3792450A (en) * | 1972-05-08 | 1974-02-12 | Singer Co | System for overcoming faults in magnetic anisotropic material |
| JPS5623233B2 (enExample) * | 1973-05-17 | 1981-05-29 | ||
| US3909810A (en) * | 1974-02-25 | 1975-09-30 | Texas Instruments Inc | Bubble memory minor loop redundancy scheme |
| US4001673A (en) * | 1975-06-30 | 1977-01-04 | International Business Machines Corporation | Method of testing and repairing magnetic bubble domain chip |
-
1975
- 1975-04-11 JP JP50043203A patent/JPS51118341A/ja active Granted
-
1976
- 1976-04-09 US US05/675,338 patent/US4125875A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4125875A (en) | 1978-11-14 |
| JPS51118341A (en) | 1976-10-18 |