KR970051211A - Semiconductor memory device performing two mask functions with the same path - Google Patents
Semiconductor memory device performing two mask functions with the same path Download PDFInfo
- Publication number
- KR970051211A KR970051211A KR1019950052599A KR19950052599A KR970051211A KR 970051211 A KR970051211 A KR 970051211A KR 1019950052599 A KR1019950052599 A KR 1019950052599A KR 19950052599 A KR19950052599 A KR 19950052599A KR 970051211 A KR970051211 A KR 970051211A
- Authority
- KR
- South Korea
- Prior art keywords
- data
- mask
- latch circuit
- signal
- memory device
- Prior art date
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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
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
- G11C7/1009—Data masking during input/output
-
- 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
- G11C7/1087—Data input latches
Abstract
1. 청구범위에 기재된 발명이 속하는 기술 분야 :1. The technical field to which the invention described in the claims belongs:
본 발명은 동일한 경로를 사용하는 마스크 라이트 기능을 수행하는 반도체 메모리 장치에 관한 것이다.The present invention relates to a semiconductor memory device performing a mask write function using the same path.
2. 발명이 해결하려고 하는 기술적 과제 :2. The technical problem to be solved by the invention:
본 발명은 서로 다른 두 마스크 라이트 기능을 동일한 경로와 래치를 사용하게 함으로써 칩 면적을 줄이고 데이타 입력버퍼의 로직을 간단하게 하는 반도체 메모리 장치를 제공한다.The present invention provides a semiconductor memory device that reduces chip area and simplifies logic of a data input buffer by allowing two different mask write functions to use the same path and latch.
3. 발명의 해결방법의 요지 :3. Summary of the solution of the invention:
본 발명은 반도체 메모리 장치에 있어서, 입력단자로부터 메모리 쎌로 라이트할 데이타를 저장하는 제1저장수단과, 상기 제1저장수단에서 메모리 쎌로 라이트 동작을 수행하는 라이팅 수단과, 상기 입력단자로부터 마스크 데이타를 받아들여 저장하는 제2저장수단과, 상기 제2저장수단의 출력상태에 따라서 상기 제1저장수단의 저장된 데이타를 상기 라이팅수단의 입력으로 전달 또는 비전달하게 하는 드라이빙수단과, 상기 제2저장수단을 새로운 마스크 라이트 싸이클에서 마스크 데이타를 저장하는 수단으로 기존 마스크 라이트 싸이클에서 마스크 데이타를 저장하는 수단으로, 공통적으로 사용가능하게 제어하는 제어수단을 포함한다.The present invention provides a semiconductor memory device comprising: first storage means for storing data to be written from an input terminal to a memory shock, writing means for performing a write operation to a memory shock from the first storage means, and mask data from the input terminal. Second storage means for receiving and storing, driving means for transferring or not delivering the stored data of the first storage means to the input of the lighting means according to the output state of the second storage means, and the second storage means. Means for storing mask data in a new mask light cycle. Means for storing mask data in an existing mask light cycle.
4. 발명의 중요한 용도 :4. 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 an open matter, no full text was included.
제4도는 본 발명에 따른 마스크 관련 데이타 입력버퍼의 구성블럭도.4 is a block diagram of a mask related data input buffer according to the present invention.
제5도는 제4도의 상세회로도.5 is a detailed circuit diagram of FIG.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950052599A KR0164799B1 (en) | 1995-12-20 | 1995-12-20 | Semiconductor memory device performing two masking task in the same path |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950052599A KR0164799B1 (en) | 1995-12-20 | 1995-12-20 | Semiconductor memory device performing two masking task in the same path |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970051211A true KR970051211A (en) | 1997-07-29 |
KR0164799B1 KR0164799B1 (en) | 1999-02-01 |
Family
ID=19441775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950052599A KR0164799B1 (en) | 1995-12-20 | 1995-12-20 | Semiconductor memory device performing two masking task in the same path |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0164799B1 (en) |
-
1995
- 1995-12-20 KR KR1019950052599A patent/KR0164799B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0164799B1 (en) | 1999-02-01 |
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