JP3912937B2 - 非導電性のチャージトラップゲートを利用した多ビット不揮発性メモリ - Google Patents
非導電性のチャージトラップゲートを利用した多ビット不揮発性メモリ Download PDFInfo
- Publication number
- JP3912937B2 JP3912937B2 JP22691399A JP22691399A JP3912937B2 JP 3912937 B2 JP3912937 B2 JP 3912937B2 JP 22691399 A JP22691399 A JP 22691399A JP 22691399 A JP22691399 A JP 22691399A JP 3912937 B2 JP3912937 B2 JP 3912937B2
- Authority
- JP
- Japan
- Prior art keywords
- state
- gate
- read
- voltage
- source
- 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 - Fee Related
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Classifications
-
- 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
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5671—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge trapping in an insulator
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
-
- 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]
- G11C16/0475—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] comprising two or more independent storage sites which store independent data
-
- 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]
- H10D30/68—Floating-gate IGFETs
- H10D30/687—Floating-gate IGFETs having more than two programming levels
-
- 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
- H10D30/691—IGFETs having charge trapping gate insulators, e.g. MNOS transistors having more than two programming levels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Volatile Memory (AREA)
- Read Only Memory (AREA)
- Semiconductor Memories (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22691399A JP3912937B2 (ja) | 1999-08-10 | 1999-08-10 | 非導電性のチャージトラップゲートを利用した多ビット不揮発性メモリ |
| KR1020027001620A KR100633752B1 (ko) | 1999-08-10 | 2000-02-28 | 비도전성 차지 트랩 게이트를 이용한 다중 비트 비휘발성메모리 |
| PCT/JP2000/001158 WO2001013378A1 (en) | 1999-08-10 | 2000-02-28 | Multiple-bit nonvolatile memory using non-conductive charge trap gate |
| US10/030,117 US6670669B1 (en) | 1999-08-10 | 2000-02-28 | Multiple-bit non-volatile memory utilizing non-conductive charge trapping gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22691399A JP3912937B2 (ja) | 1999-08-10 | 1999-08-10 | 非導電性のチャージトラップゲートを利用した多ビット不揮発性メモリ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001057093A JP2001057093A (ja) | 2001-02-27 |
| JP2001057093A5 JP2001057093A5 (enExample) | 2005-06-16 |
| JP3912937B2 true JP3912937B2 (ja) | 2007-05-09 |
Family
ID=16852572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22691399A Expired - Fee Related JP3912937B2 (ja) | 1999-08-10 | 1999-08-10 | 非導電性のチャージトラップゲートを利用した多ビット不揮発性メモリ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6670669B1 (enExample) |
| JP (1) | JP3912937B2 (enExample) |
| KR (1) | KR100633752B1 (enExample) |
| WO (1) | WO2001013378A1 (enExample) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768165B1 (en) | 1997-08-01 | 2004-07-27 | Saifun Semiconductors Ltd. | Two bit non-volatile electrically erasable and programmable semiconductor memory cell utilizing asymmetrical charge trapping |
| US6584017B2 (en) | 2001-04-05 | 2003-06-24 | Saifun Semiconductors Ltd. | Method for programming a reference cell |
| JP4674042B2 (ja) * | 2001-05-25 | 2011-04-20 | スパンション エルエルシー | 不揮発性半導体記憶装置 |
| DE10140758A1 (de) | 2001-08-20 | 2003-04-24 | Infineon Technologies Ag | Speicherelement für eine Halbleiterspeichereinrichtung |
| US6897522B2 (en) * | 2001-10-31 | 2005-05-24 | Sandisk Corporation | Multi-state non-volatile integrated circuit memory systems that employ dielectric storage elements |
| US6925007B2 (en) | 2001-10-31 | 2005-08-02 | Sandisk Corporation | Multi-state non-volatile integrated circuit memory systems that employ dielectric storage elements |
| US6700818B2 (en) | 2002-01-31 | 2004-03-02 | Saifun Semiconductors Ltd. | Method for operating a memory device |
| JP2003346484A (ja) * | 2002-05-23 | 2003-12-05 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置 |
| US6917544B2 (en) | 2002-07-10 | 2005-07-12 | Saifun Semiconductors Ltd. | Multiple use memory chip |
| US6992932B2 (en) | 2002-10-29 | 2006-01-31 | Saifun Semiconductors Ltd | Method circuit and system for read error detection in a non-volatile memory array |
| US6963505B2 (en) | 2002-10-29 | 2005-11-08 | Aifun Semiconductors Ltd. | Method circuit and system for determining a reference voltage |
| US7136304B2 (en) | 2002-10-29 | 2006-11-14 | Saifun Semiconductor Ltd | Method, system and circuit for programming a non-volatile memory array |
| US7178004B2 (en) | 2003-01-31 | 2007-02-13 | Yan Polansky | Memory array programming circuit and a method for using the circuit |
| US6778442B1 (en) * | 2003-04-24 | 2004-08-17 | Advanced Micro Devices, Inc. | Method of dual cell memory device operation for improved end-of-life read margin |
| US7142464B2 (en) | 2003-04-29 | 2006-11-28 | Saifun Semiconductors Ltd. | Apparatus and methods for multi-level sensing in a memory array |
| KR100973282B1 (ko) * | 2003-05-20 | 2010-07-30 | 삼성전자주식회사 | 나노 결정층을 구비하는 소노스 메모리 장치 |
| US7123532B2 (en) | 2003-09-16 | 2006-10-17 | Saifun Semiconductors Ltd. | Operating array cells with matched reference cells |
| US6998317B2 (en) | 2003-12-18 | 2006-02-14 | Sharp Laboratories Of America, Inc. | Method of making a non-volatile memory using a plasma oxidized high-k charge-trapping layer |
| US7317633B2 (en) | 2004-07-06 | 2008-01-08 | Saifun Semiconductors Ltd | Protection of NROM devices from charge damage |
| US7095655B2 (en) | 2004-08-12 | 2006-08-22 | Saifun Semiconductors Ltd. | Dynamic matching of signal path and reference path for sensing |
| US7638850B2 (en) | 2004-10-14 | 2009-12-29 | Saifun Semiconductors Ltd. | Non-volatile memory structure and method of fabrication |
| US7535765B2 (en) | 2004-12-09 | 2009-05-19 | Saifun Semiconductors Ltd. | Non-volatile memory device and method for reading cells |
| EP1686592A3 (en) | 2005-01-19 | 2007-04-25 | Saifun Semiconductors Ltd. | Partial erase verify |
| US8053812B2 (en) | 2005-03-17 | 2011-11-08 | Spansion Israel Ltd | Contact in planar NROM technology |
| KR100630746B1 (ko) * | 2005-05-06 | 2006-10-02 | 삼성전자주식회사 | 멀티-비트 및 멀티-레벨 비휘발성 메모리 소자 및 그 동작및 제조 방법 |
| US7786512B2 (en) | 2005-07-18 | 2010-08-31 | Saifun Semiconductors Ltd. | Dense non-volatile memory array and method of fabrication |
| KR100704033B1 (ko) * | 2005-08-05 | 2007-04-04 | 삼성전자주식회사 | 전하 트랩 형의 3-레벨 불휘발성 반도체 메모리 장치 및이에 대한 구동방법 |
| US7668017B2 (en) | 2005-08-17 | 2010-02-23 | Saifun Semiconductors Ltd. | Method of erasing non-volatile memory cells |
| KR100729357B1 (ko) | 2005-08-25 | 2007-06-15 | 삼성전자주식회사 | 읽기 속도를 향상시킬 수 있는 플래시 메모리 장치 |
| JP2007087441A (ja) * | 2005-09-20 | 2007-04-05 | Matsushita Electric Ind Co Ltd | 不揮発性半導体記憶装置 |
| US7221138B2 (en) | 2005-09-27 | 2007-05-22 | Saifun Semiconductors Ltd | Method and apparatus for measuring charge pump output current |
| US7352627B2 (en) | 2006-01-03 | 2008-04-01 | Saifon Semiconductors Ltd. | Method, system, and circuit for operating a non-volatile memory array |
| US7593264B2 (en) * | 2006-01-09 | 2009-09-22 | Macronix International Co., Ltd. | Method and apparatus for programming nonvolatile memory |
| US7808818B2 (en) | 2006-01-12 | 2010-10-05 | Saifun Semiconductors Ltd. | Secondary injection for NROM |
| US8253452B2 (en) | 2006-02-21 | 2012-08-28 | Spansion Israel Ltd | Circuit and method for powering up an integrated circuit and an integrated circuit utilizing same |
| US7692961B2 (en) | 2006-02-21 | 2010-04-06 | Saifun Semiconductors Ltd. | Method, circuit and device for disturb-control of programming nonvolatile memory cells by hot-hole injection (HHI) and by channel hot-electron (CHE) injection |
| US7760554B2 (en) | 2006-02-21 | 2010-07-20 | Saifun Semiconductors Ltd. | NROM non-volatile memory and mode of operation |
| US7638835B2 (en) | 2006-02-28 | 2009-12-29 | Saifun Semiconductors Ltd. | Double density NROM with nitride strips (DDNS) |
| US7701779B2 (en) | 2006-04-27 | 2010-04-20 | Sajfun Semiconductors Ltd. | Method for programming a reference cell |
| US7605579B2 (en) | 2006-09-18 | 2009-10-20 | Saifun Semiconductors Ltd. | Measuring and controlling current consumption and output current of charge pumps |
| US7619919B2 (en) * | 2007-01-12 | 2009-11-17 | Marvell World Trade Ltd. | Multi-level memory |
| US7492636B2 (en) * | 2007-04-27 | 2009-02-17 | Macronix International Co., Ltd. | Methods for conducting double-side-biasing operations of NAND memory arrays |
| CN102169724B (zh) * | 2010-02-26 | 2014-09-24 | 宏碁股份有限公司 | 存储器元件的操作方法 |
| CN115942752A (zh) | 2015-09-21 | 2023-04-07 | 莫诺利特斯3D有限公司 | 3d半导体器件和结构 |
| USD1039225S1 (en) * | 2022-07-27 | 2024-08-13 | Jack Kassin | Litter box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3233998B2 (ja) | 1992-08-28 | 2001-12-04 | 株式会社東芝 | 不揮発性半導体記憶装置の製造方法 |
| JPH118325A (ja) * | 1997-04-25 | 1999-01-12 | Nippon Steel Corp | 不揮発性半導体記憶装置、その製造方法、その書き込み方法、その読み出し方法、記録媒体並びに半導体記憶装置 |
| US6768165B1 (en) * | 1997-08-01 | 2004-07-27 | Saifun Semiconductors Ltd. | Two bit non-volatile electrically erasable and programmable semiconductor memory cell utilizing asymmetrical charge trapping |
| US6255166B1 (en) * | 1999-08-05 | 2001-07-03 | Aalo Lsi Design & Device Technology, Inc. | Nonvolatile memory cell, method of programming the same and nonvolatile memory array |
-
1999
- 1999-08-10 JP JP22691399A patent/JP3912937B2/ja not_active Expired - Fee Related
-
2000
- 2000-02-28 WO PCT/JP2000/001158 patent/WO2001013378A1/ja not_active Ceased
- 2000-02-28 KR KR1020027001620A patent/KR100633752B1/ko not_active Expired - Fee Related
- 2000-02-28 US US10/030,117 patent/US6670669B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001057093A (ja) | 2001-02-27 |
| US6670669B1 (en) | 2003-12-30 |
| KR20030009281A (ko) | 2003-01-29 |
| WO2001013378A1 (en) | 2001-02-22 |
| KR100633752B1 (ko) | 2006-10-16 |
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