KR100192568B1 - 반도체 메모리장치의 어드레스 버퍼회로 - Google Patents
반도체 메모리장치의 어드레스 버퍼회로 Download PDFInfo
- Publication number
- KR100192568B1 KR100192568B1 KR1019950001483A KR19950001483A KR100192568B1 KR 100192568 B1 KR100192568 B1 KR 100192568B1 KR 1019950001483 A KR1019950001483 A KR 1019950001483A KR 19950001483 A KR19950001483 A KR 19950001483A KR 100192568 B1 KR100192568 B1 KR 100192568B1
- Authority
- KR
- South Korea
- Prior art keywords
- address
- signal
- input
- refresh
- node
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title abstract description 13
- 230000004913 activation Effects 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 102100027991 Beta/gamma crystallin domain-containing protein 1 Human genes 0.000 description 5
- 101000859448 Homo sapiens Beta/gamma crystallin domain-containing protein 1 Proteins 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 108060000255 AIM2 Proteins 0.000 description 1
- 102100024064 Interferon-inducible protein AIM2 Human genes 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening 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
- G11C11/4063—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
- G11C11/4082—Address Buffers; level conversion circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Dram (AREA)
- Static Random-Access Memory (AREA)
Abstract
Description
Claims (4)
- 노말모드 및 리프레시모드를 수행하는 다이내믹 랜덤 억세스 메모리장치에 있어서, 외부어드레스신호를 입력하며, 외부어드레스입력개시신호 발생시 상기 외부어드레스를 제1노드에 출력하고, 상기 외부어드레스종료신호에 의해 상기 외부어드레스를 차단하는 제1입력부와, 리프레시 어드레스입력제어신호 발생시 내부에서 발생되는 리프레시 어드레스 신호를 상기 제1노드에 출력하는 제2입력부와, 상기 외부어드레스의 입력마진을 설정하는 외부어드레스활성화신호를 입력하는 제1스위칭소자 및 리프레시 어드레스의 입력 마진을 설정하는 리프레시어드레스활성화신호를 입력하는 제2스위칭소자를 구비하며, 노말모드시 상기 제1스위칭소자가 온되어 상기 외부어드레스활성화신호를 선택출력하고, 리프레시모드시 상기 제2스위칭소자가 온되어 상기 리프레시어드레스활성화신호를 선택출력하는 어드레스 선택부와, 상기 제1노드의 어드레스를 래치하며, 설정된 모드에 대응되는 어드레스 활성화신호 발생시 상기 래치 중인 대응되는 모드의 어드레스를 출력하는 출력부로 구성된 것을 특징으로 하는 어드레스 버퍼회로.
- 제1항에 있어서, 상기 외부어드레스활성화신호 및 리프레시어드레스활성화신호에 의해 각각 설정되는 상기 외부어드레스의 입력 마진 및 상기 리프레시어드레스의 입력 마진이 서로 다른 주기를 갖는 것을 특징으로 하는 어드레스 버퍼회로.
- 제2항에 있어서, 상기 외부어드레스입력개시신호가 로우어드레스활성화신호이고, 외부어드레스입력종료신호가 로우어드레스스트로브신호인 것을 특징으로 하는 어드레스 버퍼회로.
- 제2항에 있어서, 상기 외부어드레스활성화신호가 로우어드레스리세트신호이고, 상기 리프레시어드레스활성화신호가 리프레시 로우어드레스리세트신호인 것을 특징으로 하는 어드레스 버퍼회로.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950001483A KR100192568B1 (ko) | 1995-01-25 | 1995-01-25 | 반도체 메모리장치의 어드레스 버퍼회로 |
GB9601417A GB2297406B (en) | 1995-01-25 | 1996-01-24 | Semiconductor memory device address buffer |
US08/591,118 US5640360A (en) | 1995-01-25 | 1996-01-25 | Address buffer of semiconductor memory device |
JP8010992A JP2828945B2 (ja) | 1995-01-25 | 1996-01-25 | 半導体メモリ装置のアドレスバッファ回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950001483A KR100192568B1 (ko) | 1995-01-25 | 1995-01-25 | 반도체 메모리장치의 어드레스 버퍼회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960029985A KR960029985A (ko) | 1996-08-17 |
KR100192568B1 true KR100192568B1 (ko) | 1999-06-15 |
Family
ID=19407350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950001483A KR100192568B1 (ko) | 1995-01-25 | 1995-01-25 | 반도체 메모리장치의 어드레스 버퍼회로 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5640360A (ko) |
JP (1) | JP2828945B2 (ko) |
KR (1) | KR100192568B1 (ko) |
GB (1) | GB2297406B (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2172703A1 (en) | 2008-10-03 | 2010-04-07 | J & H ApS | Emergency light device for marine environments |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS629591A (ja) * | 1985-07-08 | 1987-01-17 | Nec Corp | Mosダイナミツクram |
US4800531A (en) * | 1986-12-22 | 1989-01-24 | Motorola, Inc. | Address buffer circuit for a dram |
JPS6421789A (en) * | 1987-07-15 | 1989-01-25 | Mitsubishi Electric Corp | Semiconductor memory device |
JPH01205788A (ja) * | 1988-02-12 | 1989-08-18 | Toshiba Corp | 半導体集積回路 |
JP2547268B2 (ja) * | 1990-03-14 | 1996-10-23 | シャープ株式会社 | 半導体記憶装置の内部アドレス決定装置 |
KR930008838A (ko) * | 1991-10-31 | 1993-05-22 | 김광호 | 어드레스 입력 버퍼 |
US5537564A (en) * | 1993-03-08 | 1996-07-16 | Zilog, Inc. | Technique for accessing and refreshing memory locations within electronic storage devices which need to be refreshed with minimum power consumption |
-
1995
- 1995-01-25 KR KR1019950001483A patent/KR100192568B1/ko not_active IP Right Cessation
-
1996
- 1996-01-24 GB GB9601417A patent/GB2297406B/en not_active Expired - Lifetime
- 1996-01-25 JP JP8010992A patent/JP2828945B2/ja not_active Expired - Fee Related
- 1996-01-25 US US08/591,118 patent/US5640360A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08241593A (ja) | 1996-09-17 |
GB9601417D0 (en) | 1996-03-27 |
US5640360A (en) | 1997-06-17 |
KR960029985A (ko) | 1996-08-17 |
GB2297406A (en) | 1996-07-31 |
JP2828945B2 (ja) | 1998-11-25 |
GB2297406B (en) | 1997-04-09 |
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