KR900000049B1 - 2단 디코더회로 - Google Patents
2단 디코더회로 Download PDFInfo
- Publication number
- KR900000049B1 KR900000049B1 KR1019850003659A KR850003659A KR900000049B1 KR 900000049 B1 KR900000049 B1 KR 900000049B1 KR 1019850003659 A KR1019850003659 A KR 1019850003659A KR 850003659 A KR850003659 A KR 850003659A KR 900000049 B1 KR900000049 B1 KR 900000049B1
- Authority
- KR
- South Korea
- Prior art keywords
- stage decoder
- circuit
- decoder circuit
- address
- signal
- 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
Images
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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/10—Decoders
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/14—Conversion to or from non-weighted codes
- H03M7/20—Conversion to or from n-out-of-m codes
- H03M7/22—Conversion to or from n-out-of-m codes to or from one-out-of-m codes
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (3)
- 입력신호의 상부비트들을 디코딩하기 위한 제1단 디코더회로와, 그리고 상기 제1단 디코더회로의 선택된 출력신호를 수신함에 의해 작동되며 또한 상기 입력신호의 하부비트들을 디코드하는 제2단 디코더회로를 포함하되, 상기 제1단 디코더회로는 예정된 임계레벨과 상기 입력신호를 비교함에 의해 선택 또는 비선택을 수행하는 임계 동작형 논리회로에 의해 형성되며, 상기 제2단 디코더는 다이오드 매트릭스회로에 의해 형성되는 것이 특징인 2단 디코더회로.
- 제1항에서, 상기 임계 동작형 논리회로는 다수의 에미터 결합 트랜지스터들을 포함하되, 상기 에미터 결합된 트랜지스터들중 하나의 상기 예정된 임계레벨을 수신하는 베이스를 갖고 있으며 또한 상기 에미터 결합된 트랜지스터들중 다른 것은 어드레스 입력신호를 수신하는 베이스를 갖는 것이 특징인 2단 디코더회로.
- 제1항에 있어서, 상기 다이오드 매트릭스회로는 각각 다수의 다이오드들로 구성되는 다수의 앤드 게이트들을 포함하며, 그의 캐소드들중 하나의 어드레스 입력신호를 수신하며 또한 그의 아노드 트랜지스터의 베이스에 공통으로 연결되며 또한 상기 트랜지스터의 콜랙터는 상기 제1단 디코더회로들의 상기 출력들중 하나에 연결되며 또한 상기 2단 디코더 회로중 한 출력은 상기 트랜지스터의 에미터로부터 얻어지는 것이 특징인 2단 디코더회로.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59-109500 | 1984-05-31 | ||
| JP59109500A JPS60254484A (ja) | 1984-05-31 | 1984-05-31 | 2段デコーダ回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR850008755A KR850008755A (ko) | 1985-12-21 |
| KR900000049B1 true KR900000049B1 (ko) | 1990-01-18 |
Family
ID=14511831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850003659A Expired KR900000049B1 (ko) | 1984-05-31 | 1985-05-28 | 2단 디코더회로 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4697104A (ko) |
| EP (1) | EP0166538B1 (ko) |
| JP (1) | JPS60254484A (ko) |
| KR (1) | KR900000049B1 (ko) |
| DE (1) | DE3583548D1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3883389T2 (de) * | 1988-10-28 | 1994-03-17 | Ibm | Zweistufige Adressendekodierschaltung für Halbleiterspeicher. |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528739A (en) * | 1975-07-10 | 1977-01-22 | Fujitsu Ltd | Electronic circuit |
| JPS5833634B2 (ja) * | 1979-02-28 | 1983-07-21 | 富士通株式会社 | メモリセルアレイの駆動方式 |
| JPS55147038A (en) * | 1979-04-12 | 1980-11-15 | Fujitsu Ltd | Electronic circuit |
| JPS55146680A (en) * | 1979-04-26 | 1980-11-15 | Fujitsu Ltd | Decoding circuit |
| JPS5631137A (en) * | 1979-08-22 | 1981-03-28 | Fujitsu Ltd | Decoder circuit |
| JPS56112122A (en) * | 1980-02-08 | 1981-09-04 | Fujitsu Ltd | Decoder circuit |
| JPS5841597B2 (ja) * | 1980-12-24 | 1983-09-13 | 富士通株式会社 | 半導体メモリディスチャ−ジ回路 |
| US4598390A (en) * | 1984-06-25 | 1986-07-01 | International Business Machines Corporation | Random access memory RAM employing complementary transistor switch (CTS) memory cells |
-
1984
- 1984-05-31 JP JP59109500A patent/JPS60254484A/ja active Pending
-
1985
- 1985-05-24 US US06/737,464 patent/US4697104A/en not_active Expired - Lifetime
- 1985-05-28 KR KR1019850003659A patent/KR900000049B1/ko not_active Expired
- 1985-05-30 DE DE8585303790T patent/DE3583548D1/de not_active Expired - Lifetime
- 1985-05-30 EP EP85303790A patent/EP0166538B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0166538A3 (en) | 1989-01-25 |
| DE3583548D1 (de) | 1991-08-29 |
| EP0166538A2 (en) | 1986-01-02 |
| KR850008755A (ko) | 1985-12-21 |
| EP0166538B1 (en) | 1991-07-24 |
| US4697104A (en) | 1987-09-29 |
| JPS60254484A (ja) | 1985-12-16 |
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