KR970051190A - Control circuit of semiconductor memory device - Google Patents
Control circuit of semiconductor memory device Download PDFInfo
- Publication number
- KR970051190A KR970051190A KR1019950047944A KR19950047944A KR970051190A KR 970051190 A KR970051190 A KR 970051190A KR 1019950047944 A KR1019950047944 A KR 1019950047944A KR 19950047944 A KR19950047944 A KR 19950047944A KR 970051190 A KR970051190 A KR 970051190A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- control circuit
- flip
- output
- flop
- 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
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
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- 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
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- 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
- G11C7/1063—Control signal output circuits, e.g. status or busy flags, feedback command signals
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- 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
- G11C7/109—Control signal input circuits
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- Dram (AREA)
Abstract
1. 청구 범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION
동시에 두개의 리퀘스트 신호를 입력받았을때, 각각의 리퀘스트 신호를 조절하여 하나의 리퀘스트 신호를 선택하기 위한 반도체 메모리 장치의 조절회로에 관한 것이다.The present invention relates to a control circuit of a semiconductor memory device for selecting one request signal by adjusting each request signal when two request signals are simultaneously received.
2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention
데이타의 손실이나 메모리의 오동작을 방지하기 위한 반도체 메모리 장치의 조절회로를 제공함에 있다.The present invention provides a control circuit of a semiconductor memory device for preventing data loss or memory malfunction.
3. 발명의 해결방법의 요지3. Summary of Solution to Invention
동기화되는 입력신호가 동시에 인가되었을 경우에 이러한 입력신호들을 조절하여 선택된 특정신호로 출력하기 위한 반도체 메모리 장치의 조절회로에 있어서, 라이트 리퀘스트 신호와, 이 리퀘스트 신호를 트리거하기 위한 클럭신호와, 상기 라이트 리퀘스트 신호의 출력을 차단하기 위한 마스킹 신호를 입력으로 하는 제1플립플롭과; 리이드 리퀘스트 신호와, 이 리퀘스트 신호를 트리거하기 위한 상기 클럭신호와, 상기 리이드 리퀘스트 신호의 출력을 차단하기 위한 마스킹 신호를 입력으로 하는 제2플립플롭과; 상기 제1플립플롭의 출력신호와 상기 조절회로의 출력신호인 제1, 2응답신호가 제1노아게이트에 의해 조합된 신호를 입력으로 하는 제1앤드게이트와; 상기 제2플립플롭의 출력신호와 상기 조절회로의 출력신호인 제1, 2응답신호가 상기 제1노아게이트에 의해 조합된 신호를 입력으로 하는 제2앤드게이트와; 상기 제1앤드게이트의 출력신호와 상기 라이트 및 리이드 리퀘스트 신호가 종료됨을 알리는 종료신호가 입력되어 상기 조절회로의 출력신호인 상기 제1응답신호를 출력하기 위한 제3플리플롭과; 상기 제2앤드게이트의 출력신호와 상기 종료신호가 입력되어 상기 조절회로의 출력신호인 제2응답신호를 출력하기 위한 제4플립플롭으로 이루어지는 것을 요지로 한다.A control circuit of a semiconductor memory device for controlling and outputting such input signals as a selected specific signal when input signals to be synchronized are simultaneously applied, comprising: a write request signal, a clock signal for triggering the request signal, and the write signal; A first flip-flop that receives a masking signal as an input to block the output of the request signal; A second flip-flop for inputting a read request signal, the clock signal for triggering the request signal, and a masking signal for blocking the output of the read request signal; A first end gate for inputting a signal in which the output signal of the first flip-flop and the first and second response signals, which are output signals of the control circuit, are combined by a first NOR gate; A second and gate for inputting a signal in which the output signal of the second flip-flop and the first and second response signals which are output signals of the control circuit are combined by the first noar gate; A third flip-flop for outputting the first response signal, which is an output signal of the control circuit, by receiving an output signal of the first and gate and an end signal indicating that the write and read request signals are terminated; The output signal of the second and gate and the end signal are input to the fourth flip-flop for outputting a second response signal which is an output signal of the control circuit.
4. 발명의 중요한 용도4. Important uses of the invention
반도체 메모리 장치의 조절회로에 적합하다.It is suitable for the control circuit of a semiconductor memory device.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명의 일실시예에 따른 반도체 메모리 장치의 조절회로 6에 구동되는 메모리 시스템의 블럭도.1 is a block diagram of a memory system driven by an adjusting circuit 6 of a semiconductor memory device according to an embodiment of the present invention.
제2도는 본 발명의 일실시예에 따른 조절회로 6를 보인 도면.2 is a view showing a control circuit 6 according to an embodiment of the present invention.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950047944A KR0177773B1 (en) | 1995-12-08 | 1995-12-08 | Arbiter apparatus having simple structure and stable action characteristic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950047944A KR0177773B1 (en) | 1995-12-08 | 1995-12-08 | Arbiter apparatus having simple structure and stable action characteristic |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970051190A true KR970051190A (en) | 1997-07-29 |
KR0177773B1 KR0177773B1 (en) | 1999-04-15 |
Family
ID=19438699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950047944A KR0177773B1 (en) | 1995-12-08 | 1995-12-08 | Arbiter apparatus having simple structure and stable action characteristic |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0177773B1 (en) |
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1995
- 1995-12-08 KR KR1019950047944A patent/KR0177773B1/en not_active IP Right Cessation
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Publication number | Publication date |
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KR0177773B1 (en) | 1999-04-15 |
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