ITMI921050A1 - Matrice di memoria non volatile con protezione da sovra- cancellazione - Google Patents
Matrice di memoria non volatile con protezione da sovra- cancellazioneInfo
- Publication number
- ITMI921050A1 ITMI921050A1 IT001050A ITMI921050A ITMI921050A1 IT MI921050 A1 ITMI921050 A1 IT MI921050A1 IT 001050 A IT001050 A IT 001050A IT MI921050 A ITMI921050 A IT MI921050A IT MI921050 A1 ITMI921050 A1 IT MI921050A1
- Authority
- IT
- Italy
- Prior art keywords
- over
- volatile memory
- memory matrix
- cancellation protection
- cancellation
- 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
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/30—Power supply circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/695,481 US5241507A (en) | 1991-05-03 | 1991-05-03 | One transistor cell flash memory assay with over-erase protection |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI921050A0 ITMI921050A0 (it) | 1992-04-30 |
ITMI921050A1 true ITMI921050A1 (it) | 1993-10-30 |
IT1255121B IT1255121B (it) | 1995-10-20 |
Family
ID=24793164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI921050A IT1255121B (it) | 1991-05-03 | 1992-04-30 | Matrice di memoria non volatile con protezione da sovra- cancellazione |
Country Status (5)
Country | Link |
---|---|
US (1) | US5241507A (it) |
JP (1) | JP3195045B2 (it) |
KR (1) | KR100241993B1 (it) |
DE (1) | DE4213741C2 (it) |
IT (1) | IT1255121B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2870260B2 (ja) * | 1991-09-27 | 1999-03-17 | 日本電気株式会社 | 不揮発性半導体記憶装置 |
US5388069A (en) * | 1992-03-19 | 1995-02-07 | Fujitsu Limited | Nonvolatile semiconductor memory device for preventing erroneous operation caused by over-erase phenomenon |
US5420822A (en) * | 1992-03-31 | 1995-05-30 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor memory device |
JPH0644791A (ja) * | 1992-05-08 | 1994-02-18 | Seiko Epson Corp | 不揮発性半導体装置 |
JP3348466B2 (ja) * | 1992-06-09 | 2002-11-20 | セイコーエプソン株式会社 | 不揮発性半導体装置 |
US5398204A (en) * | 1992-11-09 | 1995-03-14 | Seiko Epson Corporation | Nonvolatile semiconductor system |
US5452251A (en) | 1992-12-03 | 1995-09-19 | Fujitsu Limited | Semiconductor memory device for selecting and deselecting blocks of word lines |
US5324998A (en) * | 1993-02-10 | 1994-06-28 | Micron Semiconductor, Inc. | Zero power reprogrammable flash cell for a programmable logic device |
DE69325443T2 (de) * | 1993-03-18 | 2000-01-27 | Stmicroelectronics S.R.L., Agrate Brianza | Verfahren zur Vorspannung einer nichtflüchtigen Flash-EEPROM-Speicheranordnung |
US5359558A (en) * | 1993-08-23 | 1994-10-25 | Advanced Micro Devices, Inc. | Flash eeprom array with improved high endurance |
US5479368A (en) * | 1993-09-30 | 1995-12-26 | Cirrus Logic, Inc. | Spacer flash cell device with vertically oriented floating gate |
US5640031A (en) * | 1993-09-30 | 1997-06-17 | Keshtbod; Parviz | Spacer flash cell process |
US5506816A (en) * | 1994-09-06 | 1996-04-09 | Nvx Corporation | Memory cell array having compact word line arrangement |
US5625600A (en) * | 1995-05-05 | 1997-04-29 | United Microelectronics Corporation | Flash memory array with self-limiting erase |
US5546340A (en) * | 1995-06-13 | 1996-08-13 | Advanced Micro Devices, Inc. | Non-volatile memory array with over-erase correction |
KR19980052496A (ko) * | 1996-12-24 | 1998-09-25 | 김영환 | 플래쉬 메모리셀의 과소거 된 셀 확인 방법 |
US6614695B2 (en) | 2001-08-24 | 2003-09-02 | Micron Technology, Inc. | Non-volatile memory with block erase |
US7692973B2 (en) * | 2006-03-31 | 2010-04-06 | Semiconductor Energy Laboratory Co., Ltd | Semiconductor device |
JP5238178B2 (ja) * | 2006-03-31 | 2013-07-17 | 株式会社半導体エネルギー研究所 | 半導体装置 |
US8059458B2 (en) * | 2007-12-31 | 2011-11-15 | Cypress Semiconductor Corporation | 3T high density nvDRAM cell |
US8064255B2 (en) | 2007-12-31 | 2011-11-22 | Cypress Semiconductor Corporation | Architecture of a nvDRAM array and its sense regime |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3693174A (en) * | 1971-07-06 | 1972-09-19 | Litton Systems Inc | Associative memory device and system |
US3750115A (en) * | 1972-04-28 | 1973-07-31 | Gen Electric | Read mostly associative memory cell for universal logic |
US3800297A (en) * | 1972-06-03 | 1974-03-26 | Gen Electric | Non-volatile associative memory |
GB1494833A (en) * | 1974-10-11 | 1977-12-14 | Plessey Co Ltd | Content addressable memories |
US4387447A (en) * | 1980-02-04 | 1983-06-07 | Texas Instruments Incorporated | Column and ground select sequence in electrically programmable memory |
JPH0760864B2 (ja) * | 1984-07-13 | 1995-06-28 | 株式会社日立製作所 | 半導体集積回路装置 |
JPS61145636A (ja) * | 1984-12-19 | 1986-07-03 | Nec Corp | 記号列照合装置 |
KR950008676B1 (ko) * | 1986-04-23 | 1995-08-04 | 가부시기가이샤 히다찌세이사꾸쇼 | 반도체 메모리 장치 및 그의 결함 구제 방법 |
JPS62266793A (ja) * | 1986-05-13 | 1987-11-19 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置 |
US4783766A (en) * | 1986-05-30 | 1988-11-08 | Seeq Technology, Inc. | Block electrically erasable EEPROM |
US4937790A (en) * | 1987-08-31 | 1990-06-26 | Hitachi, Ltd. | Semiconductor memory device |
US4888735A (en) * | 1987-12-30 | 1989-12-19 | Elite Semiconductor & Systems Int'l., Inc. | ROM cell and array configuration |
US4888738A (en) * | 1988-06-29 | 1989-12-19 | Seeq Technology | Current-regulated, voltage-regulated erase circuit for EEPROM memory |
JP2685825B2 (ja) * | 1988-08-12 | 1997-12-03 | 株式会社東芝 | 不揮発性半導体メモリ |
US4999812A (en) * | 1988-11-23 | 1991-03-12 | National Semiconductor Corp. | Architecture for a flash erase EEPROM memory |
US5097444A (en) * | 1989-11-29 | 1992-03-17 | Rohm Corporation | Tunnel EEPROM with overerase protection |
US5122985A (en) * | 1990-04-16 | 1992-06-16 | Giovani Santin | Circuit and method for erasing eeprom memory arrays to prevent over-erased cells |
-
1991
- 1991-05-03 US US07/695,481 patent/US5241507A/en not_active Expired - Lifetime
-
1992
- 1992-04-25 DE DE4213741A patent/DE4213741C2/de not_active Expired - Lifetime
- 1992-04-30 IT ITMI921050A patent/IT1255121B/it active IP Right Grant
- 1992-05-01 JP JP11270192A patent/JP3195045B2/ja not_active Expired - Lifetime
- 1992-05-02 KR KR1019920007503A patent/KR100241993B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920022304A (ko) | 1992-12-19 |
DE4213741A1 (de) | 1992-11-19 |
IT1255121B (it) | 1995-10-20 |
JPH05159589A (ja) | 1993-06-25 |
US5241507A (en) | 1993-08-31 |
ITMI921050A0 (it) | 1992-04-30 |
DE4213741C2 (de) | 2002-10-31 |
KR100241993B1 (ko) | 2000-03-02 |
JP3195045B2 (ja) | 2001-08-06 |
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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: 19970423 |