KR100358148B1 - 마스크롬 - Google Patents
마스크롬 Download PDFInfo
- Publication number
- KR100358148B1 KR100358148B1 KR1019950011917A KR19950011917A KR100358148B1 KR 100358148 B1 KR100358148 B1 KR 100358148B1 KR 1019950011917 A KR1019950011917 A KR 1019950011917A KR 19950011917 A KR19950011917 A KR 19950011917A KR 100358148 B1 KR100358148 B1 KR 100358148B1
- Authority
- KR
- South Korea
- Prior art keywords
- memory cell
- mask rom
- cell string
- cell strings
- selection
- 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 - Fee Related
Links
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
- G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
- G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
Landscapes
- Read Only Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (3)
- 마스크롬에 있어서,하나의 비트라인에 연결된 다수의 메모리 셀 스트링;상기 다수의 메모리 셀스트링 중 예정된 하나의 메모리셀스트링을 선택할 수 있도록 세 개(N)의 선택신호를 입력받고 상기 비트라인에 여덟개(2N)의 상기 메모리셀스트링이 연결되도록 선택되는 메모리셀스트링선택라인; 및상기 다수의 메모리 셀 스트링을 공통 접속시키는 공통소오스단으로 구성된 것을 특징으로 하는 마스크롬.
- 제 1 항에 있어서,상기 메모리 셀 스트링 선택라인은,각각 4개의 인핸스먼트모드 NMOS 트랜지스터와 4개의 디플리션모드 PMOS 트랜지스터로 이루어지는 것을 특징으로 하는 마스크롬.
- 제 1 항에 있어서,상기 메모리 셀 스트링 선택라인은,각각 4개의 디플리션모드 NMOS트랜지스터와 4개의 인핸스먼트모드 PMOS트랜지스터로 이루어지는 것을 특징으로 하는 마스크롬.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950011917A KR100358148B1 (ko) | 1995-05-15 | 1995-05-15 | 마스크롬 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950011917A KR100358148B1 (ko) | 1995-05-15 | 1995-05-15 | 마스크롬 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960042763A KR960042763A (ko) | 1996-12-21 |
KR100358148B1 true KR100358148B1 (ko) | 2003-01-08 |
Family
ID=37490392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950011917A Expired - Fee Related KR100358148B1 (ko) | 1995-05-15 | 1995-05-15 | 마스크롬 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100358148B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930006931A (ko) * | 1991-09-26 | 1993-04-22 | 정몽헌 | 가상접지 형태를 갖는 nand형 마스크롬 |
KR930009080A (ko) * | 1991-10-29 | 1993-05-22 | 김광호 | 낸드형 마스크 리드 온리 메모리 |
-
1995
- 1995-05-15 KR KR1019950011917A patent/KR100358148B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930006931A (ko) * | 1991-09-26 | 1993-04-22 | 정몽헌 | 가상접지 형태를 갖는 nand형 마스크롬 |
KR930009080A (ko) * | 1991-10-29 | 1993-05-22 | 김광호 | 낸드형 마스크 리드 온리 메모리 |
Also Published As
Publication number | Publication date |
---|---|
KR960042763A (ko) | 1996-12-21 |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950515 |
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Comment text: Notification of reason for refusal Patent event date: 20011217 Patent event code: PE09021S01D |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20020807 |
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Comment text: Registration of Establishment Patent event date: 20021010 Patent event code: PR07011E01D |
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Payment date: 20021011 End annual number: 3 Start annual number: 1 |
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