KR20140040009A - 강유전체 메모리 판독 시스템 및 방법 - Google Patents
강유전체 메모리 판독 시스템 및 방법 Download PDFInfo
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- KR20140040009A KR20140040009A KR1020130110988A KR20130110988A KR20140040009A KR 20140040009 A KR20140040009 A KR 20140040009A KR 1020130110988 A KR1020130110988 A KR 1020130110988A KR 20130110988 A KR20130110988 A KR 20130110988A KR 20140040009 A KR20140040009 A KR 20140040009A
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- ferroelectric
- ferroelectric capacitor
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- ferroelectric memory
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- 230000015654 memory Effects 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 50
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- 238000004891 communication Methods 0.000 abstract description 14
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- 238000003860 storage Methods 0.000 description 5
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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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
-
- 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
- G11C11/221—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements using ferroelectric capacitors
-
- 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
- G11C11/225—Auxiliary circuits
- G11C11/2273—Reading or sensing circuits or methods
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
도 2는 강유전체 커패시터의 전형적인 커패시턴스 히스테리시스 곡선의 제2도이다;
도 3은 본 발명에 따라 강유전체 메모리에 정보를 기록하고 이로부터 정보를 판독하는 제1 예시적 회로를 도시한 것이다;
도 4는 본 발명에 따라 강유전체 메모리에 정보를 기록하고 이로부터 정보를 판독하는 제2 예시적 회로를 도시한 것이다;
도 5는 본 발명에 따라 강유전체 메모리로부터 정보를 무선 판독하기 위한 예시적 시스템의 블록도이다;
도 6은 본 발명에 따라 강유전체 메모리로부터 정보를 무선 판독하기 위한 예시적 방법의 흐름도이다.
Claims (10)
- 강유전체 메모리 내 단일 데이터 비트를 나타내는 이진 분극 상태를 저장하는 강유전체 커패시터;
강유전체 커패시터 제1 전극에 연결되는 제1 전극을 가지는 추가 커패시터; 및
강유전체 커패시터 제1 전극에 연결되는 저항;으로 구성되고,
강유전체 커패시터 분극 상태에 대한 정보 (indication)로서 강유전체 커패시터의 커패시턴스가 측정되는, 강유전체 메모리 셀 판독회로. - 제1항에 있어서, 강유전체 커패시터에 교류 전압 신호를 인가하는, 추가 커패시터를 통하여 강유전체 커패시터에 연결되는 교류 전압원을 더욱 포함하고,
교류 전압 신호에서의 변화를 참조하여 강유전체 커패시터의 커패시턴스가 측정되는, 강유전체 메모리 셀 판독회로. - 제1항에 있어서, 강유전체 커패시터의 분극 상태를 변경시키기 위하여 강유전체 커패시터에 직류 전압 신호를 인가하는, 저항을 통하여 강유전체 커패시터에 연결되는 제1 직류 전압원을 더욱 포함하는, 강유전체 메모리 셀 판독회로.
- 제3항에 있어서, 강유전체 커패시터의 분극 상태를 변경시키기 위하여 강유전체 커패시터에 직류 전압 신호를 인가하는, 강유전체 커패시터의 제2 전극에 연결되는 제2 직류 전압원을 더욱 포함하는, 강유전체 메모리 셀 판독회로.
- 제1항에 있어서, 강유전체 커패시터, 추가 커패시터 및 저항은 인쇄배선회로 부품인, 강유전체 메모리 셀 판독회로.
- 강유전체 메모리 판독 방법에 있어서,
강유전체 커패시터에 교류 전압 신호를 인가하는 단계;
강유전체 커패시터의 양의 분극 상태 및 음의 분극 상태 중 최소한 하나에 대한 교류 전압 신호 변화를 참조하여, 처리기로, 강유전체 커패시터의 커패시턴스를 측정하는 단계; 및
강유전체 메모리 내 단일 데이터 비트를 나타내는 강유전체 커패시터의 분극 상태에 대한 정보로서 측정 결과를 사용자에게 출력하는 단계로 구성되는, 강유전체 메모리 판독 방법. - 제6항에 있어서, 강유전체 커패시터의 분극 상태를 변경시키기 위하여 강유전체 커패시터에 직류 전압 신호를 인가하는 단계를 더욱 포함하고,
강유전체 커패시터의 분극 상태가 직류 전압 신호에 의해 변경될 때 처리기로 강유전체 커패시터의 커패시턴스가 측정되는, 강유전체 메모리 판독 방법. - 제6항에 있어서, 강유전체 메모리는 인쇄전자회로 부품을 포함하는, 강유전체 메모리 판독 방법.
- 제6항에 있어서, 강유전체 메모리는 하나 이상의 유연성 기판에 배치되는, 강유전체 메모리 판독 방법.
- 제6항에 있어서, 교류 신호 인가 단계 및 커패시턴스 측정 단계는 무선으로 수행되는, 강유전체 메모리 판독 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/626,840 US8837195B2 (en) | 2012-09-25 | 2012-09-25 | Systems and methods for reading ferroelectric memories |
US13/626,840 | 2012-09-25 |
Publications (2)
Publication Number | Publication Date |
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KR20140040009A true KR20140040009A (ko) | 2014-04-02 |
KR101986492B1 KR101986492B1 (ko) | 2019-06-10 |
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KR1020130110988A Active KR101986492B1 (ko) | 2012-09-25 | 2013-09-16 | 강유전체 메모리 판독 시스템 및 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8837195B2 (ko) |
EP (1) | EP2711932B1 (ko) |
JP (1) | JP6313000B2 (ko) |
KR (1) | KR101986492B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11943933B2 (en) | 2020-06-29 | 2024-03-26 | Taiwan Semiconductor Manufacturing Company Limited | Ferroelectric memory device using back-end-of-line (BEOL) thin film access transistors and methods for forming the same |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9899073B2 (en) * | 2016-06-27 | 2018-02-20 | Micron Technology, Inc. | Multi-level storage in ferroelectric memory |
US10153022B1 (en) * | 2017-06-09 | 2018-12-11 | Micron Technology, Inc | Time-based access of a memory cell |
US10153021B1 (en) | 2017-06-09 | 2018-12-11 | Micron Technology, Inc. | Time-based access of a memory cell |
US10460787B1 (en) | 2018-05-16 | 2019-10-29 | Palo Alto Research Center Incorporated | Selection circuit usable with ferroelectric memory |
US11079405B1 (en) * | 2020-05-05 | 2021-08-03 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and apparatus for detecting ferroelectric signal |
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US5309390A (en) * | 1990-12-19 | 1994-05-03 | The Charles Stark Draper Laboratory, Inc. | Ferroelectric space charge capacitor memory |
US6466039B1 (en) * | 1999-06-24 | 2002-10-15 | Sony Corporation | Ferroelectric film property measuring device, measuring method therefor and measuring method for semiconductor memory units |
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JPH05129622A (ja) * | 1991-10-31 | 1993-05-25 | Olympus Optical Co Ltd | 強誘電体メモリ装置 |
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2012
- 2012-09-25 US US13/626,840 patent/US8837195B2/en active Active
-
2013
- 2013-09-12 JP JP2013189272A patent/JP6313000B2/ja not_active Expired - Fee Related
- 2013-09-16 KR KR1020130110988A patent/KR101986492B1/ko active Active
- 2013-09-25 EP EP13185950.6A patent/EP2711932B1/en active Active
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US6466039B1 (en) * | 1999-06-24 | 2002-10-15 | Sony Corporation | Ferroelectric film property measuring device, measuring method therefor and measuring method for semiconductor memory units |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11943933B2 (en) | 2020-06-29 | 2024-03-26 | Taiwan Semiconductor Manufacturing Company Limited | Ferroelectric memory device using back-end-of-line (BEOL) thin film access transistors and methods for forming the same |
Also Published As
Publication number | Publication date |
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JP2014067477A (ja) | 2014-04-17 |
US20140085962A1 (en) | 2014-03-27 |
KR101986492B1 (ko) | 2019-06-10 |
US8837195B2 (en) | 2014-09-16 |
JP6313000B2 (ja) | 2018-04-18 |
EP2711932B1 (en) | 2015-08-12 |
EP2711932A1 (en) | 2014-03-26 |
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