KR970060226A - Synchronous semiconductor memory device with narrow data skew - Google Patents
Synchronous semiconductor memory device with narrow data skew Download PDFInfo
- Publication number
- KR970060226A KR970060226A KR1019960000216A KR19960000216A KR970060226A KR 970060226 A KR970060226 A KR 970060226A KR 1019960000216 A KR1019960000216 A KR 1019960000216A KR 19960000216 A KR19960000216 A KR 19960000216A KR 970060226 A KR970060226 A KR 970060226A
- Authority
- KR
- South Korea
- Prior art keywords
- data
- memory device
- semiconductor memory
- column
- latch circuit
- Prior art date
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
- G11C7/1072—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
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/1057—Data output buffers, e.g. comprising level conversion circuits, circuits for adapting load
-
- 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
- G11C7/106—Data output latches
-
- 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
- G11C7/1015—Read-write modes for single port memories, i.e. having either a random port or a serial port
- G11C7/1039—Read-write modes for single port memories, i.e. having either a random port or a serial port using pipelining techniques, i.e. using latches between functional memory parts, e.g. row/column decoders, I/O buffers, sense amplifiers
Abstract
1. 청구 범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs
본 발명은 좁은 데이타 스큐를 갖는 동기형 반도체 메모리 장치에 관한 것이다.The present invention relates to a synchronous semiconductor memory device having a narrow data skew.
2. 발명이 해결하려고 하는 기술적 과제2. Technical Challenges to be Solved by the Invention
본 발명은 데이타를 연속적으로 전파하는 웨이브 파이프라인 방식을 개선하여 내부신호의 동작 마아진을 늘리는 반도체 메모리 장치를 제공한다.The present invention provides a semiconductor memory device that improves the wave pipeline method of continuously propagating data to increase the operation margin of an internal signal.
3. 발명의 해결방법의 요지3. The point of the solution of the invention
본 발명은 시스템으로부터의 외부 클럭에 동기되어 제어되며 어드레스를 입력으로 하여 어드레스 버퍼, 컬럼 프리디코더, 컬럼선택게이트, 입출력 센스앰프, 데이타 버스, 데이타 출력버퍼까지의 데이타 리이드 경로를 포함하는 웨이브 파이프라인 형태로 형성된 반도체 메모리 장치에 있어서, 상기 데이타 경로상의 어느 하나의 뒷단에 접속되며 상기 데이타 리이드의 명령이 주어지는 순간 또는 다른 컬럼어드레스가 결정되는 순간의 상기 외부 클럭으로부터 동기되어 일정시간의 지연후에 발생되는 각각의 내부 클럭들에 의해 제어되는 전단까지의 데이타 스큐를 제거하기 위한 각각 적어도 하나 이상의 래치회로를 특징으로 한다.The present invention relates to a system and method for controlling a wave pipeline including an address buffer, a column predecoder, a column select gate, an input / output sense amplifier, a data bus, and a data lead path to a data output buffer, A plurality of memory cells each of which is connected to a rear end of the data path and which is generated after a predetermined period of time in synchronism with the external clock in a moment when an instruction of the data lead is given or an other column address is determined And at least one latch circuit for eliminating data skew to the front end controlled by respective internal clocks.
4.발명의 중요한 용도4. Important Uses of the Invention
본 발명은 반도체 메모리 장치에 적합하게 사용된다.The present invention is suitably used for a semiconductor memory device.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제2도는 본 발명에 따른 데이타 경로의 웨이브 전파 방식을 보여주는 도면.FIG. 2 is a diagram showing a wave propagation method of a data path according to the present invention; FIG.
제3도는 본 발명에 따른 데이타 경로 제어의 일실시예의 구성을 보여주는 구성 블럭도.FIG. 3 is a block diagram showing a configuration of an embodiment of data path control according to the present invention; FIG.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960000216A KR100200923B1 (en) | 1996-01-08 | 1996-01-08 | Synchronous memory device with narrow data skew |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960000216A KR100200923B1 (en) | 1996-01-08 | 1996-01-08 | Synchronous memory device with narrow data skew |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970060226A true KR970060226A (en) | 1997-08-12 |
KR100200923B1 KR100200923B1 (en) | 1999-06-15 |
Family
ID=19449127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960000216A KR100200923B1 (en) | 1996-01-08 | 1996-01-08 | Synchronous memory device with narrow data skew |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100200923B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100305647B1 (en) * | 1998-05-27 | 2002-03-08 | 박종섭 | Synchronous memory device |
KR100863022B1 (en) * | 2007-06-28 | 2008-10-13 | 주식회사 하이닉스반도체 | Skew information generator of semiconductor integrated circuit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100719377B1 (en) | 2006-01-19 | 2007-05-17 | 삼성전자주식회사 | Semiconductor memory device reading out data pattern |
-
1996
- 1996-01-08 KR KR1019960000216A patent/KR100200923B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100305647B1 (en) * | 1998-05-27 | 2002-03-08 | 박종섭 | Synchronous memory device |
KR100863022B1 (en) * | 2007-06-28 | 2008-10-13 | 주식회사 하이닉스반도체 | Skew information generator of semiconductor integrated circuit |
Also Published As
Publication number | Publication date |
---|---|
KR100200923B1 (en) | 1999-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100370293B1 (en) | Cycle independent data to echo clock tracking circuit | |
KR100567065B1 (en) | Input circuir for a memory device | |
KR960004567B1 (en) | Output buffer of semiconductor memory device | |
JP2590122B2 (en) | Semiconductor memory | |
KR0166000B1 (en) | Semiconductor memory device with synchronous dram whose speed grade is not limited | |
KR100305647B1 (en) | Synchronous memory device | |
KR100272167B1 (en) | Reference signal generating circuit & sdram having the same | |
JP2000003589A (en) | Synchronizing type semiconductor memory | |
JPH0817182A (en) | Logic data input latch circuit | |
KR970060226A (en) | Synchronous semiconductor memory device with narrow data skew | |
US6781919B2 (en) | Address selection circuit and semiconductor memory device with synchronous and asynchronous address signal paths | |
KR100265591B1 (en) | Memory device having seperated clock input buffer | |
KR20030039179A (en) | Synchronous semiconductor memory apparatus capable of accomplishing mode change between single-ended strobe mode and differential strobe mode | |
KR100616493B1 (en) | Device and method for controlling input buffer of DDR SDRAM | |
JPH0561715B2 (en) | ||
JPH09307410A (en) | Latch circuit | |
KR960039000A (en) | A semiconductor static memory device having a pulse generator for reducing write cycle time | |
KR100653972B1 (en) | Device and method to control output data in semiconductor memory device | |
JPH01196790A (en) | Semiconductor memory device | |
JPS6061987A (en) | Semiconductor memory | |
KR200334823Y1 (en) | Column address strobe control circuit | |
KR960001422Y1 (en) | Buffer for semiconductor element | |
JP2001344977A (en) | Semiconductor memory | |
KR200337603Y1 (en) | Column address strobe control circuit | |
KR20010045945A (en) | Address transition detection circuit of semiconductor memory |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070228 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |