KR940004404B1 - 불휘발성 반도체 메모리장치 - Google Patents
불휘발성 반도체 메모리장치 Download PDFInfo
- Publication number
- KR940004404B1 KR940004404B1 KR1019900019568A KR900019568A KR940004404B1 KR 940004404 B1 KR940004404 B1 KR 940004404B1 KR 1019900019568 A KR1019900019568 A KR 1019900019568A KR 900019568 A KR900019568 A KR 900019568A KR 940004404 B1 KR940004404 B1 KR 940004404B1
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- South Korea
- Prior art keywords
- input
- code
- secret
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- 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
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/20—Address safety or protection circuits, i.e. arrangements for preventing unauthorized or accidental access
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
- Storage Device Security (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- X방향으로 연장된 복수의 워드라인들; 상기 복수의 워드라인들과 교차되게 Y방향으로 연장된 복수의 비트라인들; 상기 비트라인들의 1바이트마다 Y방향으로 연장된 복수의 블록선택라인들; 상기 워드라인들과 비트라인들의 각 교차부분에 배치되고 상기 블록선택라인들에 의해 각 블록으로 구분되는 복수의 불휘발성 반도체 메모리셀들; 상기 비트라인들과 블록선택라인들의 일단에 결합된 복수의 버퍼들이 상기 1바이트의 비트라인들과 상기 하나의 블록선택라인으로 한조를 이루는 페이지버퍼수단; 상기 비트라인들의 상기 일단과 반대편의 일단에 연결되고 바이트단위로 동시에 턴온되는 복수의 컬럼선택 트랜지스터들; 상기 컬럼선택 트랜지스터들을 통하여 각 바이트단위의 동일레벨의 비트라인들이 공통으로 연결되는 복수의 데이터라인들; 상기 데이터라인들에 입력데이터를 병렬로 드라이브하고 상기 데이터라인들에 실린 셀데이터를 센싱증폭하여 병렬로 출력하기 위한 입력드라이버/센스증폭기; 입력단자에 가해지는 직렬입력데이터를 버퍼링하기 위한 입력버퍼수단; 상기 입력버퍼수단에 버퍼링된 직렬입력데이터를 직렬입력하고, 상기 입력드라이버/센스증폭기와는 병렬데이터를 쌍방향으로 주고 받으며, 데이터를 직렬로 출력하는 입출력레지스터; 및 상기 입출력레지터의 직렬출력데이터와 상기 입력버퍼수단에 버퍼링된 직렬입력데이터를 비교하기 위한 비교기를 구비하고, 제1비밀호출코드를 상기 페이지버퍼수단에 래치하고 래치된 제1비밀호출코드를 상기 입출력레지스터에 1바이트씩 독출하여서 상기 입력버퍼수단을 통하여 입력된 제2비밀호출코드와 상기 비교기에서 비교하고, 비교결과 제1및 제2비밀호출코드가 일치할 때에는 상기 페이지버퍼수단에 래치된 제1비밀호출코드를 상기 복수의 불휘발성 메모리셀들중 미리 지정된 행의 셀들에 기입함으로써 비밀호출코드를 정의하는 것을 특징으로 하는 불휘발성 반도체 메모리장치.
- 제1항에 있어서, 상기 페이지버퍼수단중 비트라인들과 결합되는 각 버퍼들은 비트라인선택신호에 의해 스위칭되는 트랜지스터를 통하여 각 비트라인들과 연결되며, 블록선택라인들과 결합되는 각 버퍼들은 블록선택신호에 의해 스위칭되는 트랜지스터를 통하여 각 블록선택라인들과 연결되는 것을 특징으로 하는 불휘발성 반도체 메모리장치.
- 제1항에 있어서, 상기 비밀호출코드가 기입되는 행의 셀들은 더미셀인 것을 특징으로 하는 불휘발성 반도체 메모리장치.
- 제1항에 있어서, 상기 각 불휘발성 메모리셀은 전기적으로 소거가능한 리드 온리 메모리셀인 것을 특징으로 하는 불휘발성 반도체 메모리장치.
- 제1항에 있어서, 상기 제2비밀호출코드는 상기 제1비밀호출코드에 대해 콤플리먼트인 것을 특징으로 하는 불휘발성 반도체 메모리장치.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900019568A KR940004404B1 (ko) | 1990-11-30 | 1990-11-30 | 불휘발성 반도체 메모리장치 |
| FR9105175A FR2670045B1 (fr) | 1990-11-30 | 1991-04-26 | Dispositif de memoire morte a semiconducteurs. |
| JP9924591A JP2523230B2 (ja) | 1990-11-30 | 1991-04-30 | 不揮発性半導体メモリ装置 |
| US07/694,499 US5216633A (en) | 1990-11-30 | 1991-05-02 | Nonvolatile semiconductor memory device including access code circuitry |
| DE4114410A DE4114410A1 (de) | 1990-11-30 | 1991-05-03 | Halbleiterbauelement mit nichtfluechtigem speicher |
| GB9109725A GB2250360B (en) | 1990-11-30 | 1991-05-03 | Nonvolatile semiconductor memory device |
| ITMI911218A IT1248598B (it) | 1990-11-30 | 1991-05-03 | Dispositivo a semiconduttore di memoria non volatile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900019568A KR940004404B1 (ko) | 1990-11-30 | 1990-11-30 | 불휘발성 반도체 메모리장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920010649A KR920010649A (ko) | 1992-06-27 |
| KR940004404B1 true KR940004404B1 (ko) | 1994-05-25 |
Family
ID=19306809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900019568A Expired - Fee Related KR940004404B1 (ko) | 1990-11-30 | 1990-11-30 | 불휘발성 반도체 메모리장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5216633A (ko) |
| JP (1) | JP2523230B2 (ko) |
| KR (1) | KR940004404B1 (ko) |
| DE (1) | DE4114410A1 (ko) |
| FR (1) | FR2670045B1 (ko) |
| GB (1) | GB2250360B (ko) |
| IT (1) | IT1248598B (ko) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940005696B1 (ko) * | 1991-11-25 | 1994-06-22 | 현대전자산업 주식회사 | 보안성 있는 롬(rom)소자 |
| JPH0628264A (ja) * | 1992-07-10 | 1994-02-04 | Mitsubishi Electric Corp | 半導体記憶装置及びそのアクセス方法 |
| EP0637035B1 (en) * | 1993-07-29 | 1996-11-13 | STMicroelectronics S.r.l. | Circuit structure for a memory matrix and corresponding manufacturing method |
| US5513136A (en) * | 1993-09-27 | 1996-04-30 | Intel Corporation | Nonvolatile memory with blocks and circuitry for selectively protecting the blocks for memory operations |
| US6594688B2 (en) * | 1993-10-01 | 2003-07-15 | Collaboration Properties, Inc. | Dedicated echo canceler for a workstation |
| US5377264A (en) * | 1993-12-09 | 1994-12-27 | Pitney Bowes Inc. | Memory access protection circuit with encryption key |
| US5838613A (en) * | 1994-09-22 | 1998-11-17 | Kabushiki Kaisha Toshiba | Semiconductor memory device having security function |
| US5835594A (en) * | 1996-02-09 | 1998-11-10 | Intel Corporation | Methods and apparatus for preventing unauthorized write access to a protected non-volatile storage |
| JPH10320989A (ja) * | 1997-05-16 | 1998-12-04 | Toshiba Microelectron Corp | 不揮発性半導体メモリ |
| JPH11110293A (ja) * | 1997-09-29 | 1999-04-23 | Mitsubishi Electric Corp | 不揮発性メモリ制御回路 |
| KR100287018B1 (ko) | 1998-08-07 | 2001-04-16 | 윤종용 | 에러 정정 회로를 구비한 반도체 메모리 장치 |
| US6807620B1 (en) * | 2000-02-11 | 2004-10-19 | Sony Computer Entertainment Inc. | Game system with graphics processor |
| FR2813468B1 (fr) * | 2000-08-29 | 2003-01-10 | Gemplus Card Int | Securite d'acces par code secret a un moyen de traitement de donnees |
| US7093104B2 (en) * | 2001-03-22 | 2006-08-15 | Sony Computer Entertainment Inc. | Processing modules for computer architecture for broadband networks |
| US6526491B2 (en) * | 2001-03-22 | 2003-02-25 | Sony Corporation Entertainment Inc. | Memory protection system and method for computer architecture for broadband networks |
| US7516334B2 (en) | 2001-03-22 | 2009-04-07 | Sony Computer Entertainment Inc. | Power management for processing modules |
| US6809734B2 (en) | 2001-03-22 | 2004-10-26 | Sony Computer Entertainment Inc. | Resource dedication system and method for a computer architecture for broadband networks |
| US7231500B2 (en) | 2001-03-22 | 2007-06-12 | Sony Computer Entertainment Inc. | External data interface in a computer architecture for broadband networks |
| US6826662B2 (en) | 2001-03-22 | 2004-11-30 | Sony Computer Entertainment Inc. | System and method for data synchronization for a computer architecture for broadband networks |
| US7233998B2 (en) * | 2001-03-22 | 2007-06-19 | Sony Computer Entertainment Inc. | Computer architecture and software cells for broadband networks |
| CN1292356C (zh) * | 2002-04-17 | 2006-12-27 | 松下电器产业株式会社 | 非易失性半导体存储装置及其机密保护方法 |
| US7024519B2 (en) * | 2002-05-06 | 2006-04-04 | Sony Computer Entertainment Inc. | Methods and apparatus for controlling hierarchical cache memory |
| US7313639B2 (en) * | 2003-01-13 | 2007-12-25 | Rambus Inc. | Memory system and device with serialized data transfer |
| JP4717798B2 (ja) * | 2003-01-13 | 2011-07-06 | ラムバス・インコーポレーテッド | 符号化書き込みマスキング |
| KR100516301B1 (ko) * | 2003-03-05 | 2005-09-21 | 주식회사 하이닉스반도체 | 플래시 메모리의 뱅크 분할 장치 |
| US8224639B2 (en) | 2004-03-29 | 2012-07-17 | Sony Computer Entertainment Inc. | Methods and apparatus for achieving thermal management using processing task scheduling |
| EP1603138A1 (fr) * | 2004-04-15 | 2005-12-07 | STMicroelectronics SA | Mémoire non volatile comprenant des moyens de brouillage de la lecture de cellules mémoire |
| KR100691384B1 (ko) * | 2006-03-27 | 2007-03-12 | 삼성전자주식회사 | 절연막의 열화를 완화시키는 구조의 셀스트링을 가지는불휘발성 반도체 메모리 장치 |
| KR100823175B1 (ko) * | 2007-02-27 | 2008-04-18 | 삼성전자주식회사 | 프로그램 성능을 향상시킬 수 있는 플래시 메모리 장치 및그것을 포함한 메모리 시스템 |
| US9641266B2 (en) | 2012-07-17 | 2017-05-02 | Qualcomm Incorporated | Sensor with concurrent data streaming using various parameters |
| US9462632B2 (en) | 2012-07-17 | 2016-10-04 | Qualcomm Incorporated | Concurrent data streaming using various parameters from the same sensor |
| KR102336458B1 (ko) * | 2015-07-30 | 2021-12-08 | 삼성전자주식회사 | 고속으로 결함 비트 라인을 검출하는 불휘발성 메모리 장치 및 그것의 테스트 시스템 |
| GB2614568A (en) * | 2022-01-07 | 2023-07-12 | Renavato Corp | Security device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3025502B2 (ja) * | 1987-03-16 | 2000-03-27 | 日立マクセル株式会社 | 半導体メモリ装置 |
| USH714H (en) * | 1987-10-26 | 1989-11-07 | The United States Of America As Represented By The Secretary Of The Navy | Serial data word processing arrangement |
| EP0332274B1 (en) * | 1988-03-09 | 1994-06-22 | Koninklijke Philips Electronics N.V. | EEPROM having a data controlled erasing and writing mode |
-
1990
- 1990-11-30 KR KR1019900019568A patent/KR940004404B1/ko not_active Expired - Fee Related
-
1991
- 1991-04-26 FR FR9105175A patent/FR2670045B1/fr not_active Expired - Lifetime
- 1991-04-30 JP JP9924591A patent/JP2523230B2/ja not_active Expired - Lifetime
- 1991-05-02 US US07/694,499 patent/US5216633A/en not_active Expired - Lifetime
- 1991-05-03 IT ITMI911218A patent/IT1248598B/it active IP Right Grant
- 1991-05-03 DE DE4114410A patent/DE4114410A1/de active Granted
- 1991-05-03 GB GB9109725A patent/GB2250360B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI911218A0 (it) | 1991-05-03 |
| KR920010649A (ko) | 1992-06-27 |
| IT1248598B (it) | 1995-01-19 |
| ITMI911218A1 (it) | 1992-11-03 |
| FR2670045B1 (fr) | 1993-07-09 |
| DE4114410C2 (ko) | 1993-06-24 |
| GB2250360A (en) | 1992-06-03 |
| FR2670045A1 (fr) | 1992-06-05 |
| JPH04232696A (ja) | 1992-08-20 |
| JP2523230B2 (ja) | 1996-08-07 |
| US5216633A (en) | 1993-06-01 |
| DE4114410A1 (de) | 1992-06-04 |
| GB2250360B (en) | 1994-10-19 |
| GB9109725D0 (en) | 1991-06-26 |
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