KR890004361Y1 - 디램(dram) 선택조절회로 - Google Patents
디램(dram) 선택조절회로 Download PDFInfo
- Publication number
- KR890004361Y1 KR890004361Y1 KR2019860006154U KR860006154U KR890004361Y1 KR 890004361 Y1 KR890004361 Y1 KR 890004361Y1 KR 2019860006154 U KR2019860006154 U KR 2019860006154U KR 860006154 U KR860006154 U KR 860006154U KR 890004361 Y1 KR890004361 Y1 KR 890004361Y1
- Authority
- KR
- South Korea
- Prior art keywords
- terminal
- dram
- signal
- gate
- demultiplexer
- 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
Links
Classifications
-
- 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
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/10—Aspects relating to interfaces of memory device to external buses
- G11C2207/105—Aspects related to pads, pins or terminals
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
Abstract
Description
Claims (1)
- 메모리 선택단자(S0)(S1)는 디멀티플렉서(DMUX1)의 입력단자(A0, B0)(A1, B1)에 각기 공통으로 접속하고 그의 출력단자(A'0-A'3)(B'0-B'3)는 디램(DRAM1-DRAM8)의 쓰기/읽기단자에 각기 접속한 것에 있어서, 메모리 선택단자(S2)는 앤드게이트(AND1)의 일측 입력단자에 접속함과 아울러 인버터(I1)를 통해 앤드게이트(AND2)의 일측 입력단자에 접속하고, 니블 선택단자(NSEL)는 상기 앤드게이트(AND1, AND2)의 타측 입력단자에 공통 접속하여 그의 출력단자는 일측 입력단자에 바이트 선택단자(BSEL)가 공통 접속된 오아게이트(OR1, OR2)의 타측 입력단자에 각기 접속하며, 그 오아게이트(OR1, OR2)의 출력단자는 일측 입력단자에 쓰기단자(WR)가 공통 접속된 앤드게이트(AND3, AND4)의 타측 입력단자에 각기 접속하여 그의 출력단자는 상기 디멀티플렉서(DMUX1)의 인에이블단자 1, 2 에 각기 접속하여 구성함을 특징으로하는 디램 선택조절회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860006154U KR890004361Y1 (ko) | 1986-05-02 | 1986-05-02 | 디램(dram) 선택조절회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860006154U KR890004361Y1 (ko) | 1986-05-02 | 1986-05-02 | 디램(dram) 선택조절회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870019028U KR870019028U (ko) | 1987-12-26 |
KR890004361Y1 true KR890004361Y1 (ko) | 1989-06-30 |
Family
ID=19251364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860006154U Expired KR890004361Y1 (ko) | 1986-05-02 | 1986-05-02 | 디램(dram) 선택조절회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890004361Y1 (ko) |
-
1986
- 1986-05-02 KR KR2019860006154U patent/KR890004361Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR870019028U (ko) | 1987-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19860502 |
|
UA0201 | Request for examination |
Patent event date: 19860502 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19890531 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19890921 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19891208 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19891208 |
|
UR1001 | Payment of annual fee |
Payment date: 19920116 Start annual number: 4 End annual number: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 19930329 Start annual number: 5 End annual number: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19940326 Start annual number: 6 End annual number: 6 |
|
UR1001 | Payment of annual fee |
Payment date: 19941227 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 19951226 Year of fee payment: 8 |
|
UR1001 | Payment of annual fee |
Payment date: 19951226 Start annual number: 8 End annual number: 8 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |