KR100301809B1 - 데이터 입출력 버퍼 제어회로_ - Google Patents
데이터 입출력 버퍼 제어회로_ Download PDFInfo
- Publication number
- KR100301809B1 KR100301809B1 KR1019980050440A KR19980050440A KR100301809B1 KR 100301809 B1 KR100301809 B1 KR 100301809B1 KR 1019980050440 A KR1019980050440 A KR 1019980050440A KR 19980050440 A KR19980050440 A KR 19980050440A KR 100301809 B1 KR100301809 B1 KR 100301809B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- input
- output
- output buffer
- data input
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
- G11C7/1084—Data input buffers, e.g. comprising level conversion circuits, circuits for adapting load
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
-
- 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
- G11C11/4093—Input/output [I/O] data interface arrangements, e.g. data buffers
-
- 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
- G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1072—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for memories with random access ports synchronised on clock signal pulse trains, e.g. synchronous memories, self timed memories
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Dram (AREA)
- Logic Circuits (AREA)
Abstract
Description
Claims (2)
- 데이터를 입력하거나 출력하기 위한 입/출력 패드와,제어신호에 따라 상기 입/출력 패드를 통해 입력되는 데이터를 SDRAM에 입력시키기 위한 데이터 입력 버퍼와,상기 SDRAM의 데이터를 상기 입/출력 패드를 통해 출력하는 데이터 출력 버퍼와,리드 모드시 상기 데이터 입력 버퍼는 디스에이블되고 상기 데이터 출력 버퍼는 인에이블되도록 제어하는 데이터 입/출력 버퍼 제어부를 포함하여 구성됨을 특징으로 하는 데이터 입/출력 버퍼 제어회로.
- 제 1 항에 있어서,상기 데이터 입력 버퍼는 정전압단에 드레인이 연결되고 소오스는 SDRAM의 내부회로의 입력에 연결되며 게이트는 상기 입/출력 패드에 연결되는 제 1 PMOS와,정전압단에 드레인이 연결되고 소오스는 상기 제 1 PMOS의 소오스에 연결되며 게이트에는 상기 데이터 입/출력 버퍼 제어부의 제어신호(DEOB)가 인가되는 제 2 PMOS와,소오스는 상기 제 1, 제 2 PMOS의 소오스와 연결되고 게이트에는 상기 데이터 입/출력 버퍼 제어부의 제어신호(DEOB)가 인가되는 제 1 NMOS와,소오스는 상기 제 1 NMOS의 드레인에 연결되고 드레인은 접지되며 게이트는 상기 입/출력 패드에 연결되는 제 2 NMOS를 구비하여 구성됨을 특징으로 하는 데이터 입/출력 버퍼 제어회로.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980050440A KR100301809B1 (ko) | 1998-11-24 | 1998-11-24 | 데이터 입출력 버퍼 제어회로_ |
| JP11147907A JP2000163972A (ja) | 1998-11-24 | 1999-05-27 | デ―タ入出力バッファ制御回路 |
| US09/407,172 US6339343B1 (en) | 1998-11-24 | 1999-09-28 | Data I/O buffer control circuit |
| DE19956465A DE19956465B4 (de) | 1998-11-24 | 1999-11-24 | Steuerschaltung für einen Daten-E/A-Puffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980050440A KR100301809B1 (ko) | 1998-11-24 | 1998-11-24 | 데이터 입출력 버퍼 제어회로_ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000033541A KR20000033541A (ko) | 2000-06-15 |
| KR100301809B1 true KR100301809B1 (ko) | 2001-09-06 |
Family
ID=19559486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980050440A Expired - Fee Related KR100301809B1 (ko) | 1998-11-24 | 1998-11-24 | 데이터 입출력 버퍼 제어회로_ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6339343B1 (ko) |
| JP (1) | JP2000163972A (ko) |
| KR (1) | KR100301809B1 (ko) |
| DE (1) | DE19956465B4 (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526466B1 (en) * | 1999-11-12 | 2003-02-25 | Xilinx, Inc. | Method and system for PLD swapping |
| WO2002005195A1 (en) * | 2000-07-11 | 2002-01-17 | First Data Corporation | Wide area network person-to-person payment |
| US7123046B2 (en) * | 2002-02-13 | 2006-10-17 | Micron Technology, Inc | Apparatus for adaptively adjusting a data receiver |
| DE10244516B4 (de) * | 2002-09-25 | 2006-11-16 | Infineon Technologies Ag | Integrierte Schaltung mit einer Eingangsschaltung |
| US6812869B1 (en) * | 2003-02-13 | 2004-11-02 | Lattice Semiconductor Corporation | Noise reduction techniques for programmable input/output circuits |
| JP4327113B2 (ja) * | 2005-02-25 | 2009-09-09 | Okiセミコンダクタ株式会社 | 異電源間インターフェースおよび半導体集積回路 |
| KR100825015B1 (ko) * | 2007-03-29 | 2008-04-24 | 주식회사 하이닉스반도체 | 반도체 플래시 메모리 장치 및 그 구동방법 |
| US7812638B2 (en) * | 2007-09-06 | 2010-10-12 | National Sun Yat-Sen University | Input output device for mixed-voltage tolerant |
| WO2010080176A1 (en) | 2009-01-12 | 2010-07-15 | Rambus Inc. | Mesochronous signaling system with multiple power modes |
| KR101717727B1 (ko) * | 2010-12-31 | 2017-03-17 | 에스케이하이닉스 주식회사 | 버퍼링 장치 및 그를 포함하는 반도체 집적회로 |
| US10950290B2 (en) * | 2019-07-05 | 2021-03-16 | Macronix International Co., Ltd. | Memory device and operating method thereof that reduce off current to reduce errors in reading and writing data which have plurality of memory cell blocks and a source voltage generator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0685654A (ja) * | 1992-08-31 | 1994-03-25 | Nec Ic Microcomput Syst Ltd | 入・出力バッファ回路 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60115092A (ja) * | 1983-11-28 | 1985-06-21 | Nec Corp | 半導体記憶回路 |
| JPH0738583B2 (ja) * | 1985-01-26 | 1995-04-26 | 株式会社東芝 | 半導体集積回路 |
| US4706216A (en) * | 1985-02-27 | 1987-11-10 | Xilinx, Inc. | Configurable logic element |
| US4987319A (en) * | 1988-09-08 | 1991-01-22 | Kawasaki Steel Corporation | Programmable input/output circuit and programmable logic device |
| KR930008661B1 (ko) * | 1991-05-24 | 1993-09-11 | 삼성전자 주식회사 | 반도체메모리장치의 데이타입력버퍼 |
| US5300835A (en) | 1993-02-10 | 1994-04-05 | Cirrus Logic, Inc. | CMOS low power mixed voltage bidirectional I/O buffer |
| US5949254A (en) * | 1996-11-26 | 1999-09-07 | Micron Technology, Inc. | Adjustable output driver circuit |
| US5898320A (en) * | 1997-03-27 | 1999-04-27 | Xilinx, Inc. | Programmable interconnect point having reduced crowbar current |
| US6124737A (en) * | 1999-06-30 | 2000-09-26 | Intel Corporation | Low power clock buffer having a reduced, clocked, pull-down transistor |
-
1998
- 1998-11-24 KR KR1019980050440A patent/KR100301809B1/ko not_active Expired - Fee Related
-
1999
- 1999-05-27 JP JP11147907A patent/JP2000163972A/ja active Pending
- 1999-09-28 US US09/407,172 patent/US6339343B1/en not_active Expired - Lifetime
- 1999-11-24 DE DE19956465A patent/DE19956465B4/de not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0685654A (ja) * | 1992-08-31 | 1994-03-25 | Nec Ic Microcomput Syst Ltd | 入・出力バッファ回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19956465B4 (de) | 2013-04-11 |
| JP2000163972A (ja) | 2000-06-16 |
| DE19956465A1 (de) | 2000-05-31 |
| KR20000033541A (ko) | 2000-06-15 |
| US6339343B1 (en) | 2002-01-15 |
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