KR100599106B1 - 비 휘발성 메모리 장치 및 그 구동방법 - Google Patents
비 휘발성 메모리 장치 및 그 구동방법 Download PDFInfo
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- KR100599106B1 KR100599106B1 KR1020030101950A KR20030101950A KR100599106B1 KR 100599106 B1 KR100599106 B1 KR 100599106B1 KR 1020030101950 A KR1020030101950 A KR 1020030101950A KR 20030101950 A KR20030101950 A KR 20030101950A KR 100599106 B1 KR100599106 B1 KR 100599106B1
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- Prior art keywords
- transistor
- electronic device
- memory device
- voltage
- sonos
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 description 8
- 230000005684 electric field Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010893 electron trap Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
- G11C14/0054—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell
- G11C14/0063—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell and the nonvolatile element is an EEPROM element, e.g. a floating gate or MNOS transistor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
-
- 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]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (5)
- 로직 회로를 갖춘 전자기기 내부에 배치되며, 상기 로직회로에 의해 제어되는 SRAM 래치(Latch);상기 전자기기의 Vcc 노드에 전기적으로 연결된 상태에서, ONO층을 포함하고, 전원의 온/오프 상황에 따라, 상기 SRAM 래치에 저장되어 있는 하이, 로우 상태를 저장하는 소노스 트랜지스터(Silicon-Oxide-Nitride-Oxide-Nitride transistor);상기 소노스 트랜지스터의 읽기 동작, 프로그램 동작, 소거 동작을 단독 컨트롤하는 패스 트랜지스터(Pass transistor)로 구성된 비 휘발성 메모리 장치.
- 로직 회로를 갖춘 전자기기 내부에 상기 로직회로에 의해 제어되는 SRAM 래치, 상기 전자기기의 Vcc 노드에 전기적으로 연결된 상태에서, 상기 전자기기의 동작 상황에 따라, 상기 SRAM 래치에 저장되어 있는 하이, 로우 상태를 저장하는 소노스 트랜지스터, 상기 소노스 트랜지스터의 읽기 동작, 프로그램 동작, 소거 동작을 단독 컨트롤하는 패스 트랜지스터가 배치된 상황에서,상기 전자기기의 전원이 오프되는 경우, 상기 Vcc 노드를 플로팅(Floating)시킨 상태로, 상기 소노스 트랜지스터에 음 전압, 상기 패스 트랜지스터에 제 1 전압을 인가하여 상기 소노스 트랜지스터에 저장되어 있던 전자들을 소거하는 단계;상기 Vcc 노드를 플로팅시킨 상태로, 상기 소노스 트랜지스터에 양 전압, 상기 패스 트랜지스터에 양 전압을 인가하여, 상기 SRAM 래치에 저장되어 있는 하이, 로우 상태를 선택적으로 저장하는 단계가 진행되는 것을 특징으로 하는 비 휘발성 메모리 장치의 구동방법.
- 제 2 항에 있어서, 상기 전자기기가 동작 중인 경우, 상기 Vcc를 플로팅시킨 상태로, 상기 소노스 트랜지스터 및 패스 트랜지스터에 제 1 전압을 인가하여, 상기 소노스 트랜지스터를 상기 SRAM 래치로부터 격리시키는 단계가 더 진행되는 것을 특징으로 하는 비 휘발성 메모리 장치의 구동방법.
- 제 2 항에 있어서, 상기 전자기기의 동작이 개시되는 경우, 상기 Vcc 노드에 양 전압, 상기 소노스 트랜지스터에 제 1 전압, 상기 패스 트랜지스터에 양 전압을 인가하여, 상기 소노스 트랜지스터에 저장되어 있는 정보를 상기 SRAM 래치 측으로 리콜(Recall)하는 단계가 더 진행되는 것을 특징으로 하는 비 휘발성 메모리 장치의 구동방법.
- 제 2 항 내지 제 4 항 중 적어도 어느 한 항에 있어서, 상기 제 1 전압은 접지전압인 것을 특징으로 하는 비 휘발성 메모리 장치의 구동방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020030101950A KR100599106B1 (ko) | 2003-12-31 | 2003-12-31 | 비 휘발성 메모리 장치 및 그 구동방법 |
US11/024,468 US7336534B2 (en) | 2003-12-31 | 2004-12-30 | Non-volatile memory device and drive method thereof |
Applications Claiming Priority (1)
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---|---|---|---|
KR1020030101950A KR100599106B1 (ko) | 2003-12-31 | 2003-12-31 | 비 휘발성 메모리 장치 및 그 구동방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050069661A KR20050069661A (ko) | 2005-07-05 |
KR100599106B1 true KR100599106B1 (ko) | 2006-07-12 |
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KR1020030101950A KR100599106B1 (ko) | 2003-12-31 | 2003-12-31 | 비 휘발성 메모리 장치 및 그 구동방법 |
Country Status (2)
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US (1) | US7336534B2 (ko) |
KR (1) | KR100599106B1 (ko) |
Families Citing this family (26)
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US7294877B2 (en) | 2003-03-28 | 2007-11-13 | Nantero, Inc. | Nanotube-on-gate FET structures and applications |
EP1631812A4 (en) | 2003-05-14 | 2010-12-01 | Nantero Inc | SENSOR PLATFORM HAVING A HORIZONTAL NANOPHONE ELEMENT |
US7274064B2 (en) * | 2003-06-09 | 2007-09-25 | Nanatero, Inc. | Non-volatile electromechanical field effect devices and circuits using same and methods of forming same |
US7301802B2 (en) * | 2003-06-09 | 2007-11-27 | Nantero, Inc. | Circuit arrays having cells with combinations of transistors and nanotube switching elements |
US7289357B2 (en) | 2003-08-13 | 2007-10-30 | Nantero, Inc. | Isolation structure for deflectable nanotube elements |
KR100545212B1 (ko) * | 2003-12-26 | 2006-01-24 | 동부아남반도체 주식회사 | 적층산화막 구조를 갖는 비휘발성 메모리소자 및 이를이용한 비휘발성 sram |
KR100620218B1 (ko) * | 2003-12-31 | 2006-09-11 | 동부일렉트로닉스 주식회사 | 반도체 소자 |
US7528437B2 (en) | 2004-02-11 | 2009-05-05 | Nantero, Inc. | EEPROMS using carbon nanotubes for cell storage |
US7288970B2 (en) * | 2004-06-18 | 2007-10-30 | Nantero, Inc. | Integrated nanotube and field effect switching device |
US7652342B2 (en) | 2004-06-18 | 2010-01-26 | Nantero, Inc. | Nanotube-based transfer devices and related circuits |
TWI399864B (zh) | 2004-09-16 | 2013-06-21 | Nantero Inc | 使用奈米管之發光體及其製造方法 |
US7598544B2 (en) * | 2005-01-14 | 2009-10-06 | Nanotero, Inc. | Hybrid carbon nanotude FET(CNFET)-FET static RAM (SRAM) and method of making same |
US8362525B2 (en) * | 2005-01-14 | 2013-01-29 | Nantero Inc. | Field effect device having a channel of nanofabric and methods of making same |
US7479654B2 (en) | 2005-05-09 | 2009-01-20 | Nantero, Inc. | Memory arrays using nanotube articles with reprogrammable resistance |
US7394687B2 (en) * | 2005-05-09 | 2008-07-01 | Nantero, Inc. | Non-volatile-shadow latch using a nanotube switch |
US7781862B2 (en) * | 2005-05-09 | 2010-08-24 | Nantero, Inc. | Two-terminal nanotube devices and systems and methods of making same |
TWI324773B (en) * | 2005-05-09 | 2010-05-11 | Nantero Inc | Non-volatile shadow latch using a nanotube switch |
JP4978473B2 (ja) * | 2005-12-27 | 2012-07-18 | 富士通株式会社 | Sram回路、及び、これを用いたバッファ回路 |
US7539054B2 (en) * | 2006-12-22 | 2009-05-26 | Cypress Semiconductor Corp. | Method and apparatus to program and erase a non-volatile static random access memory from the bit lines |
US8817536B2 (en) * | 2007-03-22 | 2014-08-26 | Cypress Semiconductor Corporation | Current controlled recall schema |
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US9779814B2 (en) * | 2011-08-09 | 2017-10-03 | Flashsilicon Incorporation | Non-volatile static random access memory devices and methods of operations |
US9177645B2 (en) * | 2012-10-19 | 2015-11-03 | Aplus Flash Technology, Inc. | 10T NVSRAM cell and cell operations |
CN105590647B (zh) * | 2014-11-13 | 2020-02-28 | 华邦电子股份有限公司 | 非易失静态随机存取存储器电路 |
US9620225B2 (en) | 2015-01-23 | 2017-04-11 | Cypress Semiconductor Corporation | Split voltage non-volatile latch cell |
CN113270128B (zh) * | 2021-07-16 | 2021-11-09 | 上海亿存芯半导体有限公司 | 集成的存储单元及存储阵列 |
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2003
- 2003-12-31 KR KR1020030101950A patent/KR100599106B1/ko not_active IP Right Cessation
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- 2004-12-30 US US11/024,468 patent/US7336534B2/en not_active Expired - Lifetime
Patent Citations (1)
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JP2003097916A (ja) * | 2001-09-25 | 2003-04-03 | Juki Corp | 基板マーク認識方法及び装置 |
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Publication number | Publication date |
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US20050141272A1 (en) | 2005-06-30 |
KR20050069661A (ko) | 2005-07-05 |
US7336534B2 (en) | 2008-02-26 |
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