IT1247654B - Memoria flash eprom cancellabile per gruppi di celle mediante doppia mmetal - Google Patents
Memoria flash eprom cancellabile per gruppi di celle mediante doppia mmetalInfo
- Publication number
- IT1247654B IT1247654B IT08364990A IT8364990A IT1247654B IT 1247654 B IT1247654 B IT 1247654B IT 08364990 A IT08364990 A IT 08364990A IT 8364990 A IT8364990 A IT 8364990A IT 1247654 B IT1247654 B IT 1247654B
- Authority
- IT
- Italy
- Prior art keywords
- mmetal
- deletable
- cells
- double
- groups
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT08364990A IT1247654B (it) | 1990-11-16 | 1990-11-16 | Memoria flash eprom cancellabile per gruppi di celle mediante doppia mmetal |
EP91830496A EP0486444B1 (en) | 1990-11-16 | 1991-11-13 | Double metal, bank erasable, flash-EPROM memory |
DE69121521T DE69121521T2 (de) | 1990-11-16 | 1991-11-13 | Aggregatslöschbare Flash-EPROM-Anordnung mit zwei Metallschichten |
US07/792,478 US5289423A (en) | 1990-11-16 | 1991-11-15 | Bank erasable, flash-EPROM memory |
JP32800891A JPH0697394A (ja) | 1990-11-16 | 1991-11-16 | バンク消去可能なダブル金属flash−epromメモリ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT08364990A IT1247654B (it) | 1990-11-16 | 1990-11-16 | Memoria flash eprom cancellabile per gruppi di celle mediante doppia mmetal |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9083649A0 IT9083649A0 (it) | 1990-11-16 |
IT9083649A1 IT9083649A1 (it) | 1992-05-17 |
IT1247654B true IT1247654B (it) | 1994-12-28 |
Family
ID=11323632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT08364990A IT1247654B (it) | 1990-11-16 | 1990-11-16 | Memoria flash eprom cancellabile per gruppi di celle mediante doppia mmetal |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0486444B1 (it) |
JP (1) | JPH0697394A (it) |
DE (1) | DE69121521T2 (it) |
IT (1) | IT1247654B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5966332A (en) * | 1995-11-29 | 1999-10-12 | Sanyo Electric Co., Ltd. | Floating gate memory cell array allowing cell-by-cell erasure |
EP0802569B1 (en) * | 1996-04-15 | 2003-09-24 | STMicroelectronics S.r.l. | FLASH-EPROM integrated with EEPROM |
IT1284185B1 (it) * | 1996-06-28 | 1998-05-08 | Texas Instruments Italia Spa | Matrice di memoria flash eeprom orizzontalmente settorizzata per operazioni di cancellazione. |
US5751038A (en) * | 1996-11-26 | 1998-05-12 | Philips Electronics North America Corporation | Electrically erasable and programmable read only memory (EEPROM) having multiple overlapping metallization layers |
DE10127350C1 (de) * | 2001-06-06 | 2003-02-13 | Infineon Technologies Ag | Halbleiterstruktur mit vergrabenen Leiterbahnen sowie Verfahren zur elektrischen Kontaktierung der vergrabenen Leiterbahnen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1213241B (it) * | 1984-11-07 | 1989-12-14 | Ates Componenti Elettron | Matrice di memoria eprom con celle elementari simmetriche mos e suo metodo di scrittura. |
IT1236601B (it) * | 1989-12-22 | 1993-03-18 | Sgs Thomson Microelectronics | Dispositivo a semiconduttore integrato di tipo eprom con connessioni metalliche di source e procedimento per la sua fabbricazione. |
-
1990
- 1990-11-16 IT IT08364990A patent/IT1247654B/it active IP Right Grant
-
1991
- 1991-11-13 DE DE69121521T patent/DE69121521T2/de not_active Expired - Fee Related
- 1991-11-13 EP EP91830496A patent/EP0486444B1/en not_active Expired - Lifetime
- 1991-11-16 JP JP32800891A patent/JPH0697394A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0486444B1 (en) | 1996-08-21 |
IT9083649A1 (it) | 1992-05-17 |
EP0486444A3 (en) | 1993-06-02 |
DE69121521D1 (de) | 1996-09-26 |
EP0486444A2 (en) | 1992-05-20 |
JPH0697394A (ja) | 1994-04-08 |
IT9083649A0 (it) | 1990-11-16 |
DE69121521T2 (de) | 1997-01-02 |
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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: 19971129 |