IT8247842A0 - Perfezionamento nelle cellule di memoria con capacita' di memorizzazione di piu' di due livelli di tensione - Google Patents
Perfezionamento nelle cellule di memoria con capacita' di memorizzazione di piu' di due livelli di tensioneInfo
- Publication number
- IT8247842A0 IT8247842A0 IT8247842A IT4784282A IT8247842A0 IT 8247842 A0 IT8247842 A0 IT 8247842A0 IT 8247842 A IT8247842 A IT 8247842A IT 4784282 A IT4784282 A IT 4784282A IT 8247842 A0 IT8247842 A0 IT 8247842A0
- Authority
- IT
- Italy
- Prior art keywords
- ability
- store
- improvement
- memory cells
- voltage levels
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5692—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency read-only digital stores using storage elements with more than two stable states
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Read Only Memory (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23818381A | 1981-02-25 | 1981-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8247842A0 true IT8247842A0 (it) | 1982-02-22 |
| IT1186670B IT1186670B (it) | 1987-12-04 |
Family
ID=22896827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT47842/82A IT1186670B (it) | 1981-02-25 | 1982-02-22 | Perfezionamento nelle cellule di memoria con capacita' di memorizzazione di piu' di due livelli di tensione |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0072846A1 (it) |
| IT (1) | IT1186670B (it) |
| WO (1) | WO1982002977A1 (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5122688A (en) * | 1988-07-29 | 1992-06-16 | International Business Machines Corporation | Trinary check trit generator, latch, comparator and multiplexer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151603A (en) * | 1977-10-31 | 1979-04-24 | International Business Machines Corporation | Precharged FET ROS array |
| JPS54161853A (en) * | 1978-06-12 | 1979-12-21 | Seiko Epson Corp | Read-only memory |
| US4192014A (en) * | 1978-11-20 | 1980-03-04 | Ncr Corporation | ROM memory cell with 2n FET channel widths |
| US4272830A (en) * | 1978-12-22 | 1981-06-09 | Motorola, Inc. | ROM Storage location having more than two states |
| US4287571A (en) * | 1979-09-11 | 1981-09-01 | International Business Machines Corporation | High density transistor arrays |
-
1982
- 1982-02-01 WO PCT/US1982/000136 patent/WO1982002977A1/en unknown
- 1982-02-01 EP EP82900864A patent/EP0072846A1/en not_active Withdrawn
- 1982-02-22 IT IT47842/82A patent/IT1186670B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0072846A1 (en) | 1983-03-02 |
| IT1186670B (it) | 1987-12-04 |
| WO1982002977A1 (en) | 1982-09-02 |
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