GB1288966A - - Google Patents
Info
- Publication number
- GB1288966A GB1288966A GB1288966DA GB1288966A GB 1288966 A GB1288966 A GB 1288966A GB 1288966D A GB1288966D A GB 1288966DA GB 1288966 A GB1288966 A GB 1288966A
- Authority
- GB
- United Kingdom
- Prior art keywords
- threshold
- gate
- source
- state
- level
- 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
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/69—IGFETs having charge trapping gate insulators, e.g. MNOS transistors
-
- 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
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/403—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0466—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
- Logic Circuits (AREA)
- Static Random-Access Memory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78151168A | 1968-12-05 | 1968-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1288966A true GB1288966A (cg-RX-API-DMAC10.html) | 1972-09-13 |
Family
ID=25122974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1288966D Expired GB1288966A (cg-RX-API-DMAC10.html) | 1968-12-05 | 1969-12-05 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3549911A (cg-RX-API-DMAC10.html) |
| BE (1) | BE742660A (cg-RX-API-DMAC10.html) |
| BR (1) | BR6914646D0 (cg-RX-API-DMAC10.html) |
| DE (1) | DE1961125C3 (cg-RX-API-DMAC10.html) |
| ES (1) | ES374016A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2025402A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1288966A (cg-RX-API-DMAC10.html) |
| MY (1) | MY7300451A (cg-RX-API-DMAC10.html) |
| NL (1) | NL174001C (cg-RX-API-DMAC10.html) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624618A (en) * | 1967-12-14 | 1971-11-30 | Sperry Rand Corp | A high-speed memory array using variable threshold transistors |
| US3660827A (en) * | 1969-09-10 | 1972-05-02 | Litton Systems Inc | Bistable electrical circuit with non-volatile storage capability |
| US3691535A (en) * | 1970-06-15 | 1972-09-12 | Sperry Rand Corp | Solid state memory array |
| US4233673A (en) * | 1970-06-24 | 1980-11-11 | Westinghouse Electric Corp. | Electrically resettable non-volatile memory for a fuse system |
| US3683335A (en) * | 1970-06-24 | 1972-08-08 | Westinghouse Electric Corp | Non-volatile memory element and array |
| US3680062A (en) * | 1970-06-24 | 1972-07-25 | Westinghouse Electric Corp | Resettable non-volatile memory utilizing variable threshold voltage devices |
| US3651492A (en) * | 1970-11-02 | 1972-03-21 | Ncr Co | Nonvolatile memory cell |
| US3713111A (en) * | 1970-12-14 | 1973-01-23 | Rca Corp | Operation of memory array employing variable threshold transistors |
| US3694700A (en) * | 1971-02-19 | 1972-09-26 | Nasa | Integrated circuit including field effect transistor and cerment resistor |
| US3761898A (en) * | 1971-03-05 | 1973-09-25 | Raytheon Co | Random access memory |
| US3731122A (en) * | 1971-03-31 | 1973-05-01 | Bendix Corp | Electrically controlled resistive weights |
| US3740732A (en) * | 1971-08-12 | 1973-06-19 | Texas Instruments Inc | Dynamic data storage cell |
| US3855581A (en) * | 1971-12-30 | 1974-12-17 | Mos Technology Inc | Semiconductor device and circuits |
| US3772607A (en) * | 1972-02-09 | 1973-11-13 | Ibm | Fet interface circuit |
| US3859642A (en) * | 1973-04-05 | 1975-01-07 | Bell Telephone Labor Inc | Random access memory array of hysteresis loop capacitors |
| US3898632A (en) * | 1974-07-15 | 1975-08-05 | Sperry Rand Corp | Semiconductor block-oriented read/write memory |
| US3992701A (en) * | 1975-04-10 | 1976-11-16 | International Business Machines Corporation | Non-volatile memory cell and array using substrate current |
| JPS53140067A (en) * | 1977-05-13 | 1978-12-06 | Citizen Watch Co Ltd | Electronic device of small size |
| US11011236B2 (en) * | 2019-08-29 | 2021-05-18 | Micron Technology, Inc. | Erasing memory |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2907000A (en) * | 1955-08-05 | 1959-09-29 | Sperry Rand Corp | Double base diode memory |
| US3070779A (en) * | 1955-09-26 | 1962-12-25 | Ibm | Apparatus utilizing minority carrier storage for signal storage, pulse reshaping, logic gating, pulse amplifying and pulse delaying |
| US3355721A (en) * | 1964-08-25 | 1967-11-28 | Rca Corp | Information storage |
-
1968
- 1968-12-05 US US781511A patent/US3549911A/en not_active Expired - Lifetime
-
1969
- 1969-11-28 BR BR214646/69A patent/BR6914646D0/pt unknown
- 1969-11-28 ES ES374016A patent/ES374016A1/es not_active Expired
- 1969-12-03 FR FR6941779A patent/FR2025402A1/fr not_active Withdrawn
- 1969-12-04 BE BE742660D patent/BE742660A/xx unknown
- 1969-12-04 NL NLAANVRAGE6918231,A patent/NL174001C/xx not_active IP Right Cessation
- 1969-12-05 DE DE1961125A patent/DE1961125C3/de not_active Expired
- 1969-12-05 GB GB1288966D patent/GB1288966A/en not_active Expired
-
1973
- 1973-12-30 MY MY451/73A patent/MY7300451A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6918231A (cg-RX-API-DMAC10.html) | 1970-06-09 |
| DE1961125A1 (de) | 1970-09-24 |
| DE1961125C3 (de) | 1983-01-05 |
| BR6914646D0 (pt) | 1973-04-19 |
| ES374016A1 (es) | 1971-11-16 |
| FR2025402A1 (cg-RX-API-DMAC10.html) | 1970-09-11 |
| DE1961125B2 (de) | 1973-04-26 |
| US3549911A (en) | 1970-12-22 |
| BE742660A (cg-RX-API-DMAC10.html) | 1970-05-14 |
| NL174001B (nl) | 1983-11-01 |
| NL174001C (nl) | 1984-04-02 |
| MY7300451A (en) | 1973-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |