KR100275336B1 - 강유전체 메모리 장치의 기준전압발생기 - Google Patents
강유전체 메모리 장치의 기준전압발생기 Download PDFInfo
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- KR100275336B1 KR100275336B1 KR1019970073412A KR19970073412A KR100275336B1 KR 100275336 B1 KR100275336 B1 KR 100275336B1 KR 1019970073412 A KR1019970073412 A KR 1019970073412A KR 19970073412 A KR19970073412 A KR 19970073412A KR 100275336 B1 KR100275336 B1 KR 100275336B1
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- KR
- South Korea
- Prior art keywords
- reference cell
- cell information
- information control
- bit line
- control signal
- Prior art date
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- 239000003990 capacitor Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000015654 memory Effects 0.000 description 17
- 230000010287 polarization Effects 0.000 description 10
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/14—Dummy cell management; Sense reference voltage generators
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- 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
- G11C11/22—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
Abstract
Description
Claims (3)
- 기준전압을 만들어주기 위한 정보를 저장하는 기준셀부와,기준비트라인을 그라운드 레벨로 프리차지하여 강유전체 캐패시터 양단의 전압차를 제거하기 위한 프리차지부와,상기 기준비트라인의 전하분배를 위한 기준비트라인 이퀄라이즈부를 포함하는 강유전체 메모리 장치의 기준전압발생기에 있어서;상기 기준셀부내의 강유전체 캐패시터의 수명을 연장하기 위하여,상기 기준비트라인 사이에 연결되어 기준셀내의 저장정보(0과 1)를 상호 번갈아 저장할 수 있도록 제어하는 기준셀정보 제어수단과,소정의 어드레스와 기준셀정보 구동신호에 의해 구동하여 상기 기준셀정보 제어수단의 동작을 제어하는 제1, 제2 기준셀정보 제어신호를 출력하는 기준셀정보 제어신호 발생수단을 구비함을 특징으로 하는 강유전체 메모리 장치의 기준전압발생기.
- 제 1 항에 있어서,상기 기준셀정보 제어수단은 상기 제1 기준셀정보 제어신호에 의해 구동하여 전원전압을 일측 기준비트라인으로 전달하는 제1 모스 트랜지스터와,상기 제1 기준셀정보 제어신호에 의해 구동하여 접지전압을 타측 기준비트라인으로 전달하는 제2 모스 트랜지스터와,상기 제2 기준셀정보 제어신호에 의해 구동하여 접지전압을 상기 일측 기준비트라인으로 전달하는 제3 모스 트랜지스터와,상기 제2 기준셀정보 제어신호에 의해 구동하여 전원전압을 상기 타측 기준비트라인으로 전달하는 제4 모스 트랜지스터를 포함하여 구비함을 특징으로 하는 강유전체 메모리 장치의 기준전압발생기.
- 제 1 항에 있어서,상기 기준셀정보 제어신호 발생수단은 소정 어드레스의 레벨에 따라 위상이 서로 반대인 제1, 제2 기준셀정보 제어신호를 출력할 수 있도록 다수개의 인버터와 논리 게이트를 사용하여 구성되는 것을 특징으로 하는 강유전체 메모리 장치의 기준전압발생기.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970073412A KR100275336B1 (ko) | 1997-12-24 | 1997-12-24 | 강유전체 메모리 장치의 기준전압발생기 |
TW087119316A TW412746B (en) | 1997-12-24 | 1998-11-21 | A reference voltage generator for a ferroelectric material memory device |
US09/206,308 US6078530A (en) | 1997-12-24 | 1998-12-07 | Reference voltage generator for a ferroelectric material memory device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970073412A KR100275336B1 (ko) | 1997-12-24 | 1997-12-24 | 강유전체 메모리 장치의 기준전압발생기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990053722A KR19990053722A (ko) | 1999-07-15 |
KR100275336B1 true KR100275336B1 (ko) | 2000-12-15 |
Family
ID=19528521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970073412A KR100275336B1 (ko) | 1997-12-24 | 1997-12-24 | 강유전체 메모리 장치의 기준전압발생기 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6078530A (ko) |
KR (1) | KR100275336B1 (ko) |
TW (1) | TW412746B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100339428B1 (ko) * | 1999-09-07 | 2002-05-31 | 박종섭 | 불휘발성 강유전체 메모리의 셀 블록 구조 |
KR100733426B1 (ko) * | 2001-04-25 | 2007-06-29 | 주식회사 하이닉스반도체 | 강유전체 메모리 장치에서의 기준전압 발생 장치 |
US20050063212A1 (en) * | 2003-09-18 | 2005-03-24 | Michael Jacob | Reference circuit implemented to reduce the degradation of reference capacitors providing reference voltages for 1T1C FeRAM devices |
KR100568861B1 (ko) * | 2003-12-15 | 2006-04-10 | 삼성전자주식회사 | 레퍼런스 전압 발생 회로를 갖는 강유전체 메모리 장치 |
KR100562646B1 (ko) * | 2004-12-22 | 2006-03-20 | 주식회사 하이닉스반도체 | 저전압용 반도체 메모리 장치 |
US7200027B2 (en) * | 2004-12-29 | 2007-04-03 | Texas Instruments Incorporated | Ferroelectric memory reference generator systems using staging capacitors |
US9767879B2 (en) * | 2015-02-17 | 2017-09-19 | Texas Instruments Incorporated | Setting of reference voltage for data sensing in ferroelectric memories |
US9786346B2 (en) | 2015-05-20 | 2017-10-10 | Micron Technology, Inc. | Virtual ground sensing circuitry and related devices, systems, and methods for crosspoint ferroelectric memory |
US12159682B2 (en) * | 2022-06-02 | 2024-12-03 | Micron Technology, Inc. | Multi-level cells, and related arrays, devices, systems, and methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5572459A (en) * | 1994-09-16 | 1996-11-05 | Ramtron International Corporation | Voltage reference for a ferroelectric 1T/1C based memory |
JPH097377A (ja) * | 1995-06-20 | 1997-01-10 | Sony Corp | 強誘電体記憶装置 |
JPH09120685A (ja) * | 1995-10-24 | 1997-05-06 | Sony Corp | 強誘電体記憶装置 |
US5737260A (en) * | 1996-03-27 | 1998-04-07 | Sharp Kabushiki Kaisha | Dual mode ferroelectric memory reference scheme |
KR100275109B1 (ko) * | 1997-12-23 | 2000-12-15 | 김영환 | 강유전체메모리장치및그동작방법 |
-
1997
- 1997-12-24 KR KR1019970073412A patent/KR100275336B1/ko not_active IP Right Cessation
-
1998
- 1998-11-21 TW TW087119316A patent/TW412746B/zh not_active IP Right Cessation
- 1998-12-07 US US09/206,308 patent/US6078530A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6078530A (en) | 2000-06-20 |
KR19990053722A (ko) | 1999-07-15 |
TW412746B (en) | 2000-11-21 |
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