KR100472725B1 - 리프레시 모드를 갖는 반도체 메모리 소자 - Google Patents
리프레시 모드를 갖는 반도체 메모리 소자 Download PDFInfo
- Publication number
- KR100472725B1 KR100472725B1 KR10-2002-0017796A KR20020017796A KR100472725B1 KR 100472725 B1 KR100472725 B1 KR 100472725B1 KR 20020017796 A KR20020017796 A KR 20020017796A KR 100472725 B1 KR100472725 B1 KR 100472725B1
- Authority
- KR
- South Korea
- Prior art keywords
- refresh
- cell matrix
- operation mode
- bit line
- sense amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 52
- 230000004044 response Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 2
- 101150110971 CIN7 gene Proteins 0.000 description 1
- 101150110298 INV1 gene Proteins 0.000 description 1
- 101100397044 Xenopus laevis invs-a gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- G11C11/40607—Refresh operations in memory devices with an internal cache or data buffer
-
- 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
- G11C11/40611—External triggering or timing of internal or partially internal refresh operations, e.g. auto-refresh or CAS-before-RAS triggered refresh
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Dram (AREA)
Abstract
Description
Claims (4)
- 다수의 셀 매트릭스를 구비하며, 각 셀 매트릭스에 대한 순차적인 리프레시를 수행하는 반도체 메모리 소자에 있어서,리프레시 동작 모드에서 가장 먼저 리프레시를 수행하는 제1 셀 매트릭스;리프레시 동작 모드임을 알리는 플래그 신호에 응답하여 상기 제1 셀 매트릭스의 비트라인 감지증폭기의 풀-업 라인을 노말 동작 모드에서는 오버 드라이빙 전압 및 코어전압으로 구동하고, 리프레시 동작 모드에서는 코어전압만으로 구동하는 제1 비트라인 감지증폭기 전원 구동 수단;리프레시 동작 모드에서 상기 제1 셀 매트릭스 보다 후순위로 리프레시를 수행하는 제2 셀 매트릭스; 및상기 플래그 신호와 무관하게 노말 동작 모드 및 리프레시 동작 모드에서 상기 제2 셀 매트릭스의 비트라인 감지증폭기의 풀-업 라인을 오버 드라이빙 전압 및 코어전압으로 구동하는 제2 비트라인 감지증폭기 전원 구동 수단을 구비하는 반도체 메모리 소자.
- 제1항에 있어서,상기 제2 셀 매트릭스는 리프레시 동작 모드에서 가장 마지막으로 리프레시를 수행하는 것을 특징으로 하는 반도체 메모리 소자.
- 제1항에 있어서,상기 제2 셀 매트릭스는 리프레시 동작 모드에서 상기 제1 셀 매트릭스 보다 후순위이고, 마지막으로 리프레시를 수행하는 셀 매트릭스 보다는 선순위인 것을 특징으로 하는 반도체 메모리 소자.
- 제3항에 있어서,상기 제2 셀 매트릭스는 리프레시 동작 모드에서 상기 제1 셀 매트릭스 바로 다음으로 리프레시를 수행하는 것을 특징으로 하는 반도체 메모리 소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0017796A KR100472725B1 (ko) | 2002-04-01 | 2002-04-01 | 리프레시 모드를 갖는 반도체 메모리 소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0017796A KR100472725B1 (ko) | 2002-04-01 | 2002-04-01 | 리프레시 모드를 갖는 반도체 메모리 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030079038A KR20030079038A (ko) | 2003-10-10 |
KR100472725B1 true KR100472725B1 (ko) | 2005-03-08 |
Family
ID=32377425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0017796A Expired - Fee Related KR100472725B1 (ko) | 2002-04-01 | 2002-04-01 | 리프레시 모드를 갖는 반도체 메모리 소자 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100472725B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9058854B2 (en) | 2012-06-28 | 2015-06-16 | SK Hynix Inc. | Semiconductor memory apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04370597A (ja) * | 1991-06-19 | 1992-12-22 | Hitachi Medical Corp | メモリ回路のリフレッシュ方法 |
JPH06195966A (ja) * | 1992-10-01 | 1994-07-15 | Nec Corp | 半導体メモリ |
KR960002352A (ko) * | 1994-06-25 | 1996-01-26 | 김광호 | 반도체 메모리장치의 셀프리프레시방법 및 그 회로 |
KR970051221A (ko) * | 1995-12-22 | 1997-07-29 | 김광호 | 시분할 워드라인 구동 회로를 구비한 반도체 메모리 장치 |
KR20000067558A (ko) * | 1999-04-29 | 2000-11-25 | 김영환 | 오토 리프레쉬회로 |
KR20010026483A (ko) * | 1999-09-07 | 2001-04-06 | 김영환 | 반도체 메모리의 센스앰프 제어신호 발생회로 |
KR20010037706A (ko) * | 1999-10-19 | 2001-05-15 | 박종섭 | 에스디램의 센스앰프 구동회로 |
-
2002
- 2002-04-01 KR KR10-2002-0017796A patent/KR100472725B1/ko not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04370597A (ja) * | 1991-06-19 | 1992-12-22 | Hitachi Medical Corp | メモリ回路のリフレッシュ方法 |
JPH06195966A (ja) * | 1992-10-01 | 1994-07-15 | Nec Corp | 半導体メモリ |
KR960002352A (ko) * | 1994-06-25 | 1996-01-26 | 김광호 | 반도체 메모리장치의 셀프리프레시방법 및 그 회로 |
KR970051221A (ko) * | 1995-12-22 | 1997-07-29 | 김광호 | 시분할 워드라인 구동 회로를 구비한 반도체 메모리 장치 |
KR20000067558A (ko) * | 1999-04-29 | 2000-11-25 | 김영환 | 오토 리프레쉬회로 |
KR20010026483A (ko) * | 1999-09-07 | 2001-04-06 | 김영환 | 반도체 메모리의 센스앰프 제어신호 발생회로 |
KR20010037706A (ko) * | 1999-10-19 | 2001-05-15 | 박종섭 | 에스디램의 센스앰프 구동회로 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9058854B2 (en) | 2012-06-28 | 2015-06-16 | SK Hynix Inc. | Semiconductor memory apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR20030079038A (ko) | 2003-10-10 |
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