IT8919875A0 - Cella di riferimento per la lettura di dispositivi di memoria eeprom. - Google Patents
Cella di riferimento per la lettura di dispositivi di memoria eeprom.Info
- Publication number
- IT8919875A0 IT8919875A0 IT8919875A IT1987589A IT8919875A0 IT 8919875 A0 IT8919875 A0 IT 8919875A0 IT 8919875 A IT8919875 A IT 8919875A IT 1987589 A IT1987589 A IT 1987589A IT 8919875 A0 IT8919875 A0 IT 8919875A0
- Authority
- IT
- Italy
- Prior art keywords
- memory devices
- reference cell
- eeprom memory
- reading eeprom
- reading
- 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
- G11C16/26—Sensing or reading circuits; Data output circuits
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8919875A IT1228822B (it) | 1989-03-23 | 1989-03-23 | Cella di riferimento per la lettura di dispositivi di memoria eeprom. |
EP90104663A EP0388752B1 (en) | 1989-03-23 | 1990-03-12 | Reference cell for reading eeprom memory devices |
DE69012382T DE69012382T2 (de) | 1989-03-23 | 1990-03-12 | Referenzzelle für das Lesen von EEPROM-Speicheranordnungen. |
US07/491,903 US5081610A (en) | 1989-03-23 | 1990-03-12 | Reference cell for reading eeprom memory devices |
JP2075356A JPH02282996A (ja) | 1989-03-23 | 1990-03-22 | Eepromメモリ素子を読出すための基準セル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8919875A IT1228822B (it) | 1989-03-23 | 1989-03-23 | Cella di riferimento per la lettura di dispositivi di memoria eeprom. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8919875A0 true IT8919875A0 (it) | 1989-03-23 |
IT1228822B IT1228822B (it) | 1991-07-04 |
Family
ID=11161987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8919875A IT1228822B (it) | 1989-03-23 | 1989-03-23 | Cella di riferimento per la lettura di dispositivi di memoria eeprom. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5081610A (it) |
EP (1) | EP0388752B1 (it) |
JP (1) | JPH02282996A (it) |
DE (1) | DE69012382T2 (it) |
IT (1) | IT1228822B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2853217B2 (ja) * | 1989-11-21 | 1999-02-03 | 日本電気株式会社 | 半導体メモリ |
JP2933090B2 (ja) * | 1990-04-25 | 1999-08-09 | 富士通株式会社 | 不揮発性半導体記憶装置 |
US5748525A (en) * | 1993-10-15 | 1998-05-05 | Advanced Micro Devices, Inc. | Array cell circuit with split read/write line |
JP3569728B2 (ja) * | 1995-01-11 | 2004-09-29 | 直 柴田 | 不揮発性半導体メモリ装置 |
DE69723227T2 (de) * | 1997-04-14 | 2004-06-03 | Stmicroelectronics S.R.L., Agrate Brianza | Hochpräzisionsanalogleseschaltkreis für Speichermatrizen, insbesondere für Flash-Analogspeichermatrizen |
US6411549B1 (en) * | 2000-06-21 | 2002-06-25 | Atmel Corporation | Reference cell for high speed sensing in non-volatile memories |
US6538922B1 (en) | 2000-09-27 | 2003-03-25 | Sandisk Corporation | Writable tracking cells |
US7237074B2 (en) * | 2003-06-13 | 2007-06-26 | Sandisk Corporation | Tracking cells for a memory system |
US7301807B2 (en) | 2003-10-23 | 2007-11-27 | Sandisk Corporation | Writable tracking cells |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725984A (en) * | 1984-02-21 | 1988-02-16 | Seeq Technology, Inc. | CMOS eprom sense amplifier |
JPS61166078A (ja) * | 1985-01-17 | 1986-07-26 | Matsushita Electronics Corp | フロ−テイング・ゲ−ト型不揮発性メモリ−素子 |
US4805148A (en) * | 1985-11-22 | 1989-02-14 | Diehl Nagle Sherra E | High impendance-coupled CMOS SRAM for improved single event immunity |
JPS62154786A (ja) * | 1985-12-27 | 1987-07-09 | Toshiba Corp | 不揮発性半導体メモリ |
US4780750A (en) * | 1986-01-03 | 1988-10-25 | Sierra Semiconductor Corporation | Electrically alterable non-volatile memory device |
FR2599176A1 (fr) * | 1986-05-23 | 1987-11-27 | Eurotechnique Sa | Memoire morte programmable electriquement |
IT1198109B (it) * | 1986-11-18 | 1988-12-21 | Sgs Microelettronica Spa | Cella di memoria eeprom a singolo livello di polisilicio con zona di ossido di tunnel |
JPH0715799B2 (ja) * | 1987-06-30 | 1995-02-22 | 日本電気株式会社 | 半導体記憶装置 |
US4802124A (en) * | 1987-08-03 | 1989-01-31 | Sgs-Thomson Microelectronics, Inc. | Non-volatile shadow storage cell with reduced tunnel device count for improved reliability |
-
1989
- 1989-03-23 IT IT8919875A patent/IT1228822B/it active
-
1990
- 1990-03-12 EP EP90104663A patent/EP0388752B1/en not_active Expired - Lifetime
- 1990-03-12 DE DE69012382T patent/DE69012382T2/de not_active Expired - Fee Related
- 1990-03-12 US US07/491,903 patent/US5081610A/en not_active Expired - Lifetime
- 1990-03-22 JP JP2075356A patent/JPH02282996A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69012382D1 (de) | 1994-10-20 |
IT1228822B (it) | 1991-07-04 |
EP0388752B1 (en) | 1994-09-14 |
DE69012382T2 (de) | 1995-02-16 |
JPH02282996A (ja) | 1990-11-20 |
EP0388752A2 (en) | 1990-09-26 |
US5081610A (en) | 1992-01-14 |
EP0388752A3 (en) | 1992-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970329 |