KR100519535B1 - 데이터 센싱 회로 - Google Patents
데이터 센싱 회로 Download PDFInfo
- Publication number
- KR100519535B1 KR100519535B1 KR10-2000-0077704A KR20000077704A KR100519535B1 KR 100519535 B1 KR100519535 B1 KR 100519535B1 KR 20000077704 A KR20000077704 A KR 20000077704A KR 100519535 B1 KR100519535 B1 KR 100519535B1
- Authority
- KR
- South Korea
- Prior art keywords
- memory cell
- bit line
- current
- type mos
- change
- Prior art date
Links
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/26—Sensing or reading circuits; Data output circuits
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/24—Bit-line control circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/30—Power supply circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Read Only Memory (AREA)
Abstract
Description
Claims (5)
- 선택된 메모리 셀에 접속된 비트라인을 통해 흐르는 전류의 량과 기준 메모리 셀에 접속된 비트라인을 통해 흐르는 전류의 량을 감지 및 비교하기 위한 센스앰프와,상기 선택된 메모리 셀에 접속된 비트라인에 동작전원의 변화에 따른 보상 전류를 공급하기 위한 독출마진 보상회로를 포함하여 이루어진 것을 특징으로 하는 데이터 센싱 회로.
- 제 1 항에 있어서,상기 독출마진 보상회로는 동작전원을 각각 공급받으며, 전류미러로 동작되도록 구성된 제 1 및 제 2 P형 MOS 트랜지스터와,상기 제 1 P형 MOS 트랜지스터에 접속되며, 바이어스 회로에 의해 동작되는 N형 MOS 트랜지스터와,상기 N형 MOS 트랜지스터 및 접지간에 접속된 메모리 셀을 포함하여 이루어진 것을 특징으로 하는 데이터 센싱 회로.
- 제 2 항에 있어서,상기 제 1 및 제 2 P형 MOS 트랜지스터의 크기(폭)은 트랜지스터의 길이가 같은 경우 하기의 수학식 1에 의해 결정되는 것을 특징으로 하는 데이터 센싱 회로.[수학식 1]W1/W0=(N-1)/N여기서, N은 2 이상의 정수, W0는 상기 제1 P형 MOS 트랜지스터의 폭, W1은 상기 제2 P형 MOS 트랜지스터의 폭
- 제 1 항에 있어서,상기 독출마진 보상회로는 동작전원 및 상기 선택된 메모리 셀에 접속된 비트라인에 연결된 센스앰프의 입력단자간에 병렬 접속된 것을 특징으로 하는 데이터 센싱 회로.
- 제 1 항에 있어서,상기 독출마진 보상회로는 상기 선택된 메모리 셀에 접속된 비트라인에 연결된 센스앰프의 입력단자 및 상기 선택된 메모리 셀간에 병렬 접속된 것을 특징으로 하는 데이터 센싱 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0077704A KR100519535B1 (ko) | 2000-12-18 | 2000-12-18 | 데이터 센싱 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0077704A KR100519535B1 (ko) | 2000-12-18 | 2000-12-18 | 데이터 센싱 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020048263A KR20020048263A (ko) | 2002-06-22 |
KR100519535B1 true KR100519535B1 (ko) | 2005-10-05 |
Family
ID=27682723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0077704A KR100519535B1 (ko) | 2000-12-18 | 2000-12-18 | 데이터 센싱 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100519535B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990076161A (ko) * | 1998-03-28 | 1999-10-15 | 김영환 | 플래쉬 메모리 장치의 센스 앰프 회로 |
KR20000044913A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 센스앰프 회로 |
US6147896A (en) * | 1998-11-26 | 2000-11-14 | Electronics And Telecommunications Research Institute | Nonvolatile ferroelectric memory using selective reference cell |
KR20010011483A (ko) * | 1999-07-28 | 2001-02-15 | 윤종용 | 불휘발성 강유전체 랜덤 액세스 메모리 장치 및 그것의 데이터읽기 방법 |
-
2000
- 2000-12-18 KR KR10-2000-0077704A patent/KR100519535B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990076161A (ko) * | 1998-03-28 | 1999-10-15 | 김영환 | 플래쉬 메모리 장치의 센스 앰프 회로 |
US6147896A (en) * | 1998-11-26 | 2000-11-14 | Electronics And Telecommunications Research Institute | Nonvolatile ferroelectric memory using selective reference cell |
KR20000044913A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 센스앰프 회로 |
KR20010011483A (ko) * | 1999-07-28 | 2001-02-15 | 윤종용 | 불휘발성 강유전체 랜덤 액세스 메모리 장치 및 그것의 데이터읽기 방법 |
Also Published As
Publication number | Publication date |
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KR20020048263A (ko) | 2002-06-22 |
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