KR20130107201A - 반도체 메모리 소자 리프레싱 기술 - Google Patents
반도체 메모리 소자 리프레싱 기술 Download PDFInfo
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- KR20130107201A KR20130107201A KR1020127031741A KR20127031741A KR20130107201A KR 20130107201 A KR20130107201 A KR 20130107201A KR 1020127031741 A KR1020127031741 A KR 1020127031741A KR 20127031741 A KR20127031741 A KR 20127031741A KR 20130107201 A KR20130107201 A KR 20130107201A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
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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
- G11C11/34—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
- G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/403—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 cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
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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
- G11C11/34—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
- G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
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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
- G11C11/34—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
- G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/408—Address circuits
- G11C11/4085—Word line control circuits, e.g. word line drivers, - boosters, - pull-up, - pull-down, - precharge
-
- 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
- G11C11/401—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 cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4094—Bit-line management or control circuits
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- Computer Hardware Design (AREA)
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- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
Abstract
Description
도 1은 본 발명의 일 실시예에 따른, 메모리 셀 어레이, 데이터 기록 및 감지 회로, 및 메모리 셀 선택 및 제어 회로를 포함하는 반도체 메모리 소자의 블록도를 도시한다.
도 2는 본 발명의 일 실시예에 따른, 복수의 메모리 셀을 갖는 메모리 셀 어레이의 적어도 일부분의 개략도를 도시한다.
도 3은 본 발명의 일 실시예에 따른, 도 2에 도시되는 메모리 셀 어레이의 단면도를 도시한다.
도 4는 본 발명의 다른 실시예에 따른 계층형 비트 라인 구조를 통해 복수의 감지 증폭기에 연결되는 복수의 메모리 셀을 가진 메모리 셀 어레이의 적어도 일부분의 개략도를 도시한다.
도 5는 본 발명의 일 실시예에 따른 계층형 비트 라인 구조에 대한 멀티플렉서의 개략도를 도시한다.
도 6은 본 발명의 일 실시예에 따른 게층형 비트 라인 구조에 대한 소스 라인 드라이버의 개략도를 도시한다.
도 7은 본 발명의 일 실시예에 따른 리프레시 작동을 실행하기 위한 제어 신호 전압 파형을 도시한다.
Claims (20)
- 반도체 메모리 소자의 리프레싱 방법에 있어서,
상기 방법은 메모리 셀의 어레이 내 메모리 셀에 복수의 전위를 인가하는 단계를 포함하며, 상기 메모리 셀에 복수의 전위를 인가하는 단계는,
상기 어레이의 각자의 소스 라인을 통해 메모리 셀의 제 1 영역에 제 1 전위를 인가하는 단계와,
상기 어레이의 각자의 로컬 비트 라인 및 각자의 선택 트랜지스터를 통해 메모리 셀의 제 2 영역에 제 2 전위를 인가하는 단계와,
상기 어레이의 각자의 워드 라인에 제 3 전위를 인가하는 단계로서, 상기 워드 라인은, 상기 제 1 영역과 상기 제 2 영역 사이에 배치되고 전기적으로 부동(electrically floating)인 메모리 셀의 바디 영역으로부터 이격되고 상기 바디 영역에 용량성으로 결합되는, 상기 제 3 전위를 인가하는 단계와,
상기 어레이의 각자의 캐리어 주입 라인을 통해 메모리 셀의 제 3 영역에 제 4 전위를 인가하는 단계
를 포함하는 반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 각자의 로컬 비트 라인이 멀티플렉서에 연결되는
반도체 메모리 소자의 리프레싱 방법. - 제 2 항에 있어서, 상기 멀티플렉서가 전역 비트 라인에 연결되는
반도체 메모리 소자의 리프레싱 방법. - 제 2 항에 있어서, 상기 멀티플렉서는 각자의 로컬 비트 라인에 연결되는 적어도 하나의 마스킹 트랜지스터를 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 4 항에 있어서, 상기 멀티플렉서는 각자의 로컬 비트 라인에 연결되는 적어도 하나의 홀드 트랜지스터를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 5 항에 있어서, 각자의 선택 트랜지스터는 상기 적어도 하나의 마스크 트랜지스터 및 상기 적어도 하나의 홀드 트랜지스터에 연결되는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 상기 반도체 메모리 소자의 리프레싱 중 각자의 소스 라인을 통해 일정 레벨에서 제 1 영역에 인가되는 제 1 전위를 유지하는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 각자의 선택 트랜지스터를 작동시키도록 각자의 선택 트랜지스터에 선택 제어 신호를 인가하는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 8 항에 있어서, 작동하는 각자의 선택 트랜지스터를 통해 홀드 작동 중 각자의 소스 라인에 인가되는 제 2 전위로부터 각자의 소스 라인에 인가되는 제 2 전위를 증가시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 홀드 작동 중 각자의 캐리어 주입 라인에 인가되는 제 4 전위로부터 각자의 캐리어 주입 라인에 인가되는 제 4 전위를 증가시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 각자의 선택 트랜지스터를 작동중지시키기 위해 각자의 선택 트랜지스터에 디커플링 제어 신호를 인가하는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 11 항에 있어서, 각자의 로컬 비트 라인은, 각자의 선택 트랜지스터가 작동중지된 후 전기적으로 부동인
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 판독 작동을 실행하기 위해 홀드 작동 중 각자의 워드 라인에 인가되는 제 3 전위로부터 각자의 워드 라인에 인가되는 제 3 전위를 증가시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 13 항에 있어서, 상기 제 3 전위의 증가는 각자의 로컬 비트 라인에 인가되는 제 2 전위를 감소시키기 위해 상기 메모리 셀을 작동시키는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 기록 로직 하이 작동을 실행하기 위해 기록 로직 로우 작동 중 각자의 워드 라인에 인가되는 제 3 전위로부터 각자의 워드 라인에 인가되는 제 3 전위를 감소시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 15 항에 있어서, 기록 로직 하이 작동 중 각자의 워드 라인에 인가되는 제 3 전위는, 홀드 작동 중 각자의 워드 라인에 인가되는 제 3 전위보다 높은
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 기록 로직 하이 작동을 종료하기 위해 각자의 선택 트랜지스터를 작동시키도록 각자의 선택 트랜지스터에 커플링 제어 신호를 인가하는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 17 항에 있어서, 제 2 영역과 제 3 영역 사이의 정션을 순방향 바이어스시키도록 각자의 로컬 비트 라인에 인가되는 제 2 전위를 방전하는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 홀드 작동을 실행하기 위해 기록 로직 하이 작동 중 각자의 캐리어 주입 라인에 인가되는 제 4 전위로부터 각자의 캐리어 주입 라인에 인가되는 제 4 전위를 감소시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법. - 제 1 항에 있어서, 홀드 작동을 실행하기 위해 기록 로직 하이 작동 중 각자의 로컬 비트 라인에 인가되는 제 2 전위로부터 각자의 로컬 비트 라인에 인가되는 제 2 전위를 감소시키는 단계를 더 포함하는
반도체 메모리 소자의 리프레싱 방법.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33203710P | 2010-05-06 | 2010-05-06 | |
| US61/332,037 | 2010-05-06 | ||
| US12/985,191 | 2011-01-05 | ||
| US12/985,191 US8411524B2 (en) | 2010-05-06 | 2011-01-05 | Techniques for refreshing a semiconductor memory device |
| PCT/US2011/034937 WO2011140044A2 (en) | 2010-05-06 | 2011-05-03 | Techniques for refreshing a semiconductor memory device |
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| Publication Number | Publication Date |
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| KR20130107201A true KR20130107201A (ko) | 2013-10-01 |
| KR101824751B1 KR101824751B1 (ko) | 2018-03-14 |
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| KR1020127031741A Active KR101824751B1 (ko) | 2010-05-06 | 2011-05-03 | 반도체 메모리 소자 리프레싱 기술 |
| KR1020127031731A Ceased KR20130089150A (ko) | 2010-05-06 | 2011-05-03 | 반도체 메모리 소자 리프레싱 기술 |
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| Country | Link |
|---|---|
| US (3) | US8411524B2 (ko) |
| KR (2) | KR101824751B1 (ko) |
| CN (2) | CN102884578B (ko) |
| DE (1) | DE112011101575B4 (ko) |
| TW (2) | TWI525617B (ko) |
| WO (2) | WO2011140044A2 (ko) |
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| US9564199B2 (en) * | 2014-09-25 | 2017-02-07 | Kilopass Technology, Inc. | Methods of reading and writing data in a thyristor random access memory |
| US9361972B1 (en) * | 2015-03-20 | 2016-06-07 | Intel Corporation | Charge level maintenance in a memory |
| US9799381B1 (en) | 2016-09-28 | 2017-10-24 | Intel Corporation | Double-polarity memory read |
| US9805786B1 (en) * | 2017-01-06 | 2017-10-31 | Micron Technology, Inc. | Apparatuses and methods for a memory device with dual common data I/O lines |
| US10418085B2 (en) * | 2017-07-20 | 2019-09-17 | Micron Technology, Inc. | Memory plate segmentation to reduce operating power |
| US10032496B1 (en) * | 2017-07-27 | 2018-07-24 | Micron Technology, Inc. | Variable filter capacitance |
| JP2024000929A (ja) * | 2022-06-21 | 2024-01-09 | キオクシア株式会社 | 半導体記憶装置 |
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- 2011-05-03 KR KR1020127031741A patent/KR101824751B1/ko active Active
- 2011-05-03 DE DE112011101575.5T patent/DE112011101575B4/de active Active
- 2011-05-03 WO PCT/US2011/034924 patent/WO2011140033A2/en not_active Ceased
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| Publication number | Publication date |
|---|---|
| KR101824751B1 (ko) | 2018-03-14 |
| WO2011140033A2 (en) | 2011-11-10 |
| WO2011140044A3 (en) | 2012-02-09 |
| US8411524B2 (en) | 2013-04-02 |
| US20110273941A1 (en) | 2011-11-10 |
| DE112011101575T5 (de) | 2013-02-21 |
| KR20130089150A (ko) | 2013-08-09 |
| US20140126307A1 (en) | 2014-05-08 |
| TW201209819A (en) | 2012-03-01 |
| CN102884582B (zh) | 2016-01-27 |
| TWI496141B (zh) | 2015-08-11 |
| CN102884582A (zh) | 2013-01-16 |
| WO2011140044A2 (en) | 2011-11-10 |
| TWI525617B (zh) | 2016-03-11 |
| US8630126B2 (en) | 2014-01-14 |
| US9142264B2 (en) | 2015-09-22 |
| WO2011140033A3 (en) | 2012-01-19 |
| TW201214431A (en) | 2012-04-01 |
| US20110273947A1 (en) | 2011-11-10 |
| CN102884578B (zh) | 2015-11-25 |
| DE112011101575B4 (de) | 2025-05-08 |
| CN102884578A (zh) | 2013-01-16 |
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