IT9021015A0 - Nuova architettura per memorie a sola lettura programmabili elettricamente (eprom) ad alta densita' a massa virtuale - Google Patents
Nuova architettura per memorie a sola lettura programmabili elettricamente (eprom) ad alta densita' a massa virtualeInfo
- Publication number
- IT9021015A0 IT9021015A0 IT21015A IT2101590A IT9021015A0 IT 9021015 A0 IT9021015 A0 IT 9021015A0 IT 21015 A IT21015 A IT 21015A IT 2101590 A IT2101590 A IT 2101590A IT 9021015 A0 IT9021015 A0 IT 9021015A0
- Authority
- IT
- Italy
- Prior art keywords
- eprom
- memory
- high density
- programmable read
- electrically programmable
- Prior art date
Links
Classifications
-
- 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
- G11C16/0491—Virtual ground arrays
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/26—Sensing or reading circuits; Data output circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/12—Group selection circuits, e.g. for memory block selection, chip selection, array selection
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
- Semiconductor Memories (AREA)
- Logic Circuits (AREA)
- Non-Volatile Memory (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/390,159 US4992980A (en) | 1989-08-07 | 1989-08-07 | Novel architecture for virtual ground high-density EPROMS |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9021015A0 true IT9021015A0 (it) | 1990-07-23 |
IT9021015A1 IT9021015A1 (it) | 1992-01-23 |
IT1242497B IT1242497B (it) | 1994-05-16 |
Family
ID=23541330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02101590A IT1242497B (it) | 1989-08-07 | 1990-07-23 | Architettura per memorie a sola lettura programmabili elettricamente (eprom) ad alta densita' a massa virtuale |
Country Status (6)
Country | Link |
---|---|
US (1) | US4992980A (it) |
JP (1) | JPH0371496A (it) |
DE (1) | DE4024930A1 (it) |
FR (1) | FR2650695A1 (it) |
GB (2) | GB2234834B (it) |
IT (1) | IT1242497B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5128895A (en) * | 1989-11-21 | 1992-07-07 | Intel Corporation | Method for programming a virtual ground EPROM cell including slow ramping of the column line voltage |
US5097444A (en) * | 1989-11-29 | 1992-03-17 | Rohm Corporation | Tunnel EEPROM with overerase protection |
GB2245763B (en) * | 1989-12-21 | 1993-11-03 | Intel Corp | Process for reducing program disturbance in eeprom arrays |
US5215934A (en) * | 1989-12-21 | 1993-06-01 | Tzeng Jyh Cherng J | Process for reducing program disturbance in eeprom arrays |
EP0461904A3 (en) * | 1990-06-14 | 1992-09-09 | Creative Integrated Systems, Inc. | An improved semiconductor read-only vlsi memory |
US5627778A (en) * | 1990-07-24 | 1997-05-06 | Texas Instruments Incorporated | Dram sensing scheme |
JP3002309B2 (ja) * | 1990-11-13 | 2000-01-24 | ウエハスケール インテグレーション, インコーポレイテッド | 高速epromアレイ |
US5132933A (en) * | 1990-12-21 | 1992-07-21 | Schreck John F | Bias circuitry for nonvolatile memory array |
US5491658A (en) * | 1991-02-13 | 1996-02-13 | Texas Instruments Incorporated | Column decoder for virtual ground memory array |
US5719806A (en) * | 1991-02-18 | 1998-02-17 | Yamane; Masatoshi | Memory cell array |
US5284784A (en) * | 1991-10-02 | 1994-02-08 | National Semiconductor Corporation | Buried bit-line source-side injection flash memory cell |
US5397726A (en) * | 1992-02-04 | 1995-03-14 | National Semiconductor Corporation | Segment-erasable flash EPROM |
US5346842A (en) * | 1992-02-04 | 1994-09-13 | National Semiconductor Corporation | Method of making alternate metal/source virtual ground flash EPROM cell array |
US5399928A (en) * | 1993-05-28 | 1995-03-21 | Macronix International Co., Ltd. | Negative voltage generator for flash EPROM design |
US5895945A (en) * | 1995-11-14 | 1999-04-20 | United Microelectronics Corporation | Single polysilicon neuron MOSFET |
DE19631169C2 (de) * | 1996-08-01 | 1998-07-23 | Siemens Ag | Matrix-Speicher in Virtual-ground-Architektur |
US5959892A (en) * | 1997-08-26 | 1999-09-28 | Macronix International Co., Ltd. | Apparatus and method for programming virtual ground EPROM array cell without disturbing adjacent cells |
US6493269B1 (en) * | 2001-05-31 | 2002-12-10 | Sandisk Corporation | Dual cell reading and writing technique |
JP4454896B2 (ja) * | 2001-09-27 | 2010-04-21 | シャープ株式会社 | 仮想接地型不揮発性半導体記憶装置 |
US7755938B2 (en) * | 2004-04-19 | 2010-07-13 | Saifun Semiconductors Ltd. | Method for reading a memory array with neighbor effect cancellation |
KR100666223B1 (ko) * | 2006-02-22 | 2007-01-09 | 삼성전자주식회사 | 메모리셀 사이의 커플링 노이즈를 저감시키는 3-레벨불휘발성 반도체 메모리 장치 및 이에 대한 구동방법 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3916169A (en) * | 1973-09-13 | 1975-10-28 | Texas Instruments Inc | Calculator system having a precharged virtual ground memory |
US3934233A (en) * | 1973-09-24 | 1976-01-20 | Texas Instruments Incorporated | Read-only-memory for electronic calculator |
US4021781A (en) * | 1974-11-19 | 1977-05-03 | Texas Instruments Incorporated | Virtual ground read-only-memory for electronic calculator or digital processor |
US4387447A (en) * | 1980-02-04 | 1983-06-07 | Texas Instruments Incorporated | Column and ground select sequence in electrically programmable memory |
JPS6055919B2 (ja) * | 1980-03-18 | 1985-12-07 | 日本電気株式会社 | 半導体記憶装置 |
US4377857A (en) * | 1980-11-18 | 1983-03-22 | Fairchild Camera & Instrument | Electrically erasable programmable read-only memory |
US4410964A (en) * | 1980-12-08 | 1983-10-18 | Nordling Karl I | Memory device having a plurality of output ports |
US4460981A (en) * | 1981-12-24 | 1984-07-17 | Intel Corporation | Virtual ground memory |
JPS5998365A (ja) * | 1982-11-27 | 1984-06-06 | Shigeto Suzuki | 複数同時アクセス型記憶装置 |
US4602354A (en) * | 1983-01-10 | 1986-07-22 | Ncr Corporation | X-and-OR memory array |
JPH07118160B2 (ja) * | 1983-06-18 | 1995-12-18 | ソニー株式会社 | ディジタル情報信号の記録方法 |
US4599709A (en) * | 1984-02-17 | 1986-07-08 | At&T Bell Laboratories | Byte organized static memory |
US4729119A (en) * | 1984-05-21 | 1988-03-01 | General Computer Corporation | Apparatus and methods for processing data through a random access memory system |
US4802121A (en) * | 1986-06-02 | 1989-01-31 | Texas Instruments Incorporated | Memory array with partitioned bit lines |
US4878101A (en) * | 1986-12-29 | 1989-10-31 | Ning Hsieh | Single transistor cell for electrically-erasable programmable read-only memory and array thereof |
IT1214246B (it) * | 1987-05-27 | 1990-01-10 | Sgs Microelettronica Spa | Dispositivo di memoria non volatile ad elevato numero di cicli di modifica. |
US4780424A (en) * | 1987-09-28 | 1988-10-25 | Intel Corporation | Process for fabricating electrically alterable floating gate memory devices |
US4868790A (en) * | 1988-04-28 | 1989-09-19 | Texas Instruments Incorporated | Reference circuit for integrated memory arrays having virtual ground connections |
US5027321A (en) * | 1989-11-21 | 1991-06-25 | Intel Corporation | Apparatus and method for improved reading/programming of virtual ground EPROM arrays |
-
1989
- 1989-08-07 US US07/390,159 patent/US4992980A/en not_active Expired - Lifetime
-
1990
- 1990-03-05 GB GB9004859A patent/GB2234834B/en not_active Expired - Lifetime
- 1990-05-30 FR FR9006713A patent/FR2650695A1/fr active Granted
- 1990-07-13 JP JP2184438A patent/JPH0371496A/ja active Pending
- 1990-07-23 IT IT02101590A patent/IT1242497B/it active IP Right Grant
- 1990-08-06 DE DE4024930A patent/DE4024930A1/de active Granted
-
1993
- 1993-07-09 GB GB9314259A patent/GB2266796B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2650695B1 (it) | 1995-01-27 |
FR2650695A1 (fr) | 1991-02-08 |
GB2234834A (en) | 1991-02-13 |
JPH0371496A (ja) | 1991-03-27 |
GB2234834B (en) | 1994-01-05 |
US4992980A (en) | 1991-02-12 |
GB9314259D0 (en) | 1993-08-18 |
IT1242497B (it) | 1994-05-16 |
GB2266796B (en) | 1994-01-26 |
DE4024930C2 (it) | 1993-06-17 |
DE4024930A1 (de) | 1991-02-14 |
GB2266796A (en) | 1993-11-10 |
IT9021015A1 (it) | 1992-01-23 |
GB9004859D0 (en) | 1990-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970729 |