KR910005459A - 반도체메모리장치 및 그 제조방법 - Google Patents
반도체메모리장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR910005459A KR910005459A KR1019900012363A KR900012363A KR910005459A KR 910005459 A KR910005459 A KR 910005459A KR 1019900012363 A KR1019900012363 A KR 1019900012363A KR 900012363 A KR900012363 A KR 900012363A KR 910005459 A KR910005459 A KR 910005459A
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- memory device
- fuse
- memory cell
- cell array
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 239000012535 impurity Substances 0.000 claims 3
- 150000002500 ions Chemical class 0.000 claims 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/30—ROM only having the source region and the drain region on the same level, e.g. lateral transistors
- H10B20/38—Doping programmed, e.g. mask ROM
- H10B20/383—Channel doping programmed
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/785—Masking faults in memories by using spares or by reconfiguring using programmable devices with redundancy programming schemes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/20—Programmable ROM [PROM] devices comprising field-effect components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Read Only Memory (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일 실시예에 의한 반도체메모리장치가 갖추고 있는 용장회로에서, 기록워드선의 전위, 휴즈에 흐르는 프로그램전류, 접지배선의 전위변화를 나타낸 설명도
제2도는 동 용장회로로서 적용이 가능한 회로의 구성을 나타낸 회로도.
Claims (2)
- 정규메모리셀 어레이와 예비메모리셀 어레이를 갖춘 용장 회로쪽의 반도체메모리장치에 있어서, 상기 예비메모리셀 어레이를 구성할 각 예비메모리셀(C1,C2)은 드레인이 독출용 데이터선(BL1,BL2)에 접속되고 소스가 휴즈(F1,F2)를 매개해서 전원에 접속되며 워드선독출용(WL)에 의해서 선택되는 제1트랜지스터(T3,T4)와, 상기 제1트랜지스터와 휴즈의 접속점 및 어스간에 접속된 제2트랜지스터(T1,T2)를 갖추고,상기 제2트랜지스터(T1,T2)를 기록선(L1,L2)으로 선택함으로써 상기 휴즈에 용단전류를 흘러서 상기 휴즈를 선택적으로 용단해서 상기 독출용 데이터선의 방전류로를 차단가능하게 한 반도체메모리장치에 있어서, 상기 예비메모리셀(C1,C2)의 어느 것에 상기 제2트랜지스터(T1,T2)가 상기 기록선의 선택에 의해 도통되어 상기 휴즈에 용단전류가 흘렀을때에, 다른 예비메모리셀에 접속된 기록선에 발생하는 대 어스 전위차(VGS)보다도 높은 문턱값전압(Vth)을 상기 제2트랜지스터가 갖추는 것을 특징으로 하는 반도체메모리장치.
- 정규메모리셀 어레이와 예비메모리셀 어레이를 갖춘 용장회로쪽의 반도체메모리장치에 있어서, 상기 예비메모리셀 어레이를 구성하는 각 예비메모리셀(C1,C2)은 드레인이 독출용 데이터선에 접속되고 소스가 휴즈(F1,F2)를 매개해서 전원에 접속되며 독출용 워드선(WL)에 의해서 선택되는 제1트랜지스터(T3,T4)와, 상기 제1트랜지스터와 휴즈의 접속점 및 어스간에 접속된 제2트랜지스터(T1,T2)를 갖추고, 상기 제2트랜지스터를 기록선(L1,L2)으로 선택함으로써 상기 휴즈에 용단전류를 흘러서 상기 휴즈를 선택적으로 용단하여 상기 독출용 데이터선의 방전류로를 차단가능하게 한 반도체메모리장치의 제조방법에 있어서, 반도체기판(1) 표면의 상기 제2트랜지스터(T1,T2)형성영역의 채널부분 및 이 제2트랜지스터와 동일한 도전형의 다른 트랜지스터의 채널부분에 불순물이온(B+)을 주입하는 공정과, 상기 제2트랜지스터(T1,T2)의 채널부분 및 이 제2트랜지스터와 역도전형의 트랜지스터의 채널부분에 상기 불순물이온(B+)을 주입하는 공정을 구비함으로써 상기 제2트랜지스터(T1,T2)의채널부분에 상기 불순물이온을 거듭 주입하는 것을 특징으로 하는 반도체메모리장치의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-209169 | 1989-08-11 | ||
JP20916989 | 1989-08-11 | ||
JP2-091104 | 1990-04-05 | ||
JP2091104A JP2509730B2 (ja) | 1989-08-11 | 1990-04-05 | 半導体メモリ装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910005459A true KR910005459A (ko) | 1991-03-30 |
KR930010730B1 KR930010730B1 (ko) | 1993-11-08 |
Family
ID=26432578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900012363A KR930010730B1 (ko) | 1989-08-11 | 1990-08-11 | 반도체메모리장치 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5257230A (ko) |
EP (1) | EP0417484B1 (ko) |
JP (1) | JP2509730B2 (ko) |
KR (1) | KR930010730B1 (ko) |
DE (1) | DE69020461T2 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2981346B2 (ja) * | 1992-08-31 | 1999-11-22 | シャープ株式会社 | 読み出し専用半導体記憶装置 |
US5677888A (en) * | 1995-06-06 | 1997-10-14 | Integrated Device Technology, Inc. | Redundancy circuit for programmable integrated circuits |
JP3230795B2 (ja) * | 1995-09-29 | 2001-11-19 | シャープ株式会社 | 読み出し専用半導体記憶装置 |
US6031771A (en) * | 1996-10-28 | 2000-02-29 | Macronix International Co., Ltd. | Memory redundancy circuit using single polysilicon floating gate transistors as redundancy elements |
US5896327A (en) * | 1997-10-27 | 1999-04-20 | Macronix International Co., Ltd. | Memory redundancy circuit for high density memory with extra row and column for failed address storage |
US5889711A (en) * | 1997-10-27 | 1999-03-30 | Macronix International Co., Ltd. | Memory redundancy for high density memory |
JP4639030B2 (ja) * | 2002-11-18 | 2011-02-23 | パナソニック株式会社 | 半導体記憶装置 |
US7583554B2 (en) * | 2007-03-02 | 2009-09-01 | Freescale Semiconductor, Inc. | Integrated circuit fuse array |
US8542549B2 (en) | 2011-08-08 | 2013-09-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical fuse bit cell |
US8760955B2 (en) * | 2011-10-21 | 2014-06-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical fuse memory arrays |
US8610243B2 (en) | 2011-12-09 | 2013-12-17 | Globalfoundries Inc. | Metal e-fuse with intermetallic compound programming mechanism and methods of making same |
US20140268983A1 (en) * | 2013-03-15 | 2014-09-18 | GlobalFoundries, Inc. | Otprom array with leakage current cancelation for enhanced efuse sensing |
GB2541961B (en) * | 2015-09-01 | 2019-05-15 | Lattice Semiconductor Corp | Multi-time programmable non-volatile memory cell |
KR102389817B1 (ko) * | 2016-01-28 | 2022-04-22 | 삼성전자주식회사 | 디스차아지 회로를 갖는 퓨즈 메모리 |
US11088140B2 (en) | 2019-08-27 | 2021-08-10 | Nanya Technology Corporation | Multiple semiconductor elements with different threshold voltages |
US11177010B1 (en) * | 2020-07-13 | 2021-11-16 | Qualcomm Incorporated | Bitcell for data redundancy |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4230504B1 (en) * | 1978-04-27 | 1997-03-04 | Texas Instruments Inc | Method of making implant programmable N-channel rom |
JPS5843838B2 (ja) * | 1979-02-28 | 1983-09-29 | 富士通株式会社 | 読取り専用メモリ |
JPS584969A (ja) * | 1981-06-30 | 1983-01-12 | Fujitsu Ltd | 半導体装置 |
JPS60201598A (ja) * | 1984-03-23 | 1985-10-12 | Fujitsu Ltd | 半導体集積回路 |
US4654830A (en) * | 1984-11-27 | 1987-03-31 | Monolithic Memories, Inc. | Method and structure for disabling and replacing defective memory in a PROM |
JPH0235699A (ja) * | 1988-07-26 | 1990-02-06 | Nec Corp | 化合物半導体メモリデバイス |
JPH0817039B2 (ja) * | 1988-08-19 | 1996-02-21 | 株式会社東芝 | 半導体メモリセル |
-
1990
- 1990-04-05 JP JP2091104A patent/JP2509730B2/ja not_active Expired - Lifetime
- 1990-08-10 EP EP90115399A patent/EP0417484B1/en not_active Expired - Lifetime
- 1990-08-10 DE DE69020461T patent/DE69020461T2/de not_active Expired - Fee Related
- 1990-08-11 KR KR1019900012363A patent/KR930010730B1/ko not_active IP Right Cessation
- 1990-08-13 US US07/565,820 patent/US5257230A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0417484B1 (en) | 1995-06-28 |
JP2509730B2 (ja) | 1996-06-26 |
JPH03155652A (ja) | 1991-07-03 |
US5257230A (en) | 1993-10-26 |
EP0417484A2 (en) | 1991-03-20 |
EP0417484A3 (en) | 1992-01-02 |
DE69020461D1 (de) | 1995-08-03 |
DE69020461T2 (de) | 1996-01-11 |
KR930010730B1 (ko) | 1993-11-08 |
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