HK51394A - Semiconductor integrated circuit device - Google Patents

Semiconductor integrated circuit device

Info

Publication number
HK51394A
HK51394A HK51394A HK51394A HK51394A HK 51394 A HK51394 A HK 51394A HK 51394 A HK51394 A HK 51394A HK 51394 A HK51394 A HK 51394A HK 51394 A HK51394 A HK 51394A
Authority
HK
Hong Kong
Prior art keywords
integrated circuit
semiconductor integrated
circuit device
semiconductor
integrated
Prior art date
Application number
HK51394A
Other languages
English (en)
Inventor
Kiyoshi Matsubara
Tadashi Yamaura
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of HK51394A publication Critical patent/HK51394A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
HK51394A 1985-09-20 1994-05-19 Semiconductor integrated circuit device HK51394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60206419A JPS6267800A (ja) 1985-09-20 1985-09-20 半導体集積回路装置

Publications (1)

Publication Number Publication Date
HK51394A true HK51394A (en) 1994-05-27

Family

ID=16523060

Family Applications (1)

Application Number Title Priority Date Filing Date
HK51394A HK51394A (en) 1985-09-20 1994-05-19 Semiconductor integrated circuit device

Country Status (6)

Country Link
US (2) US4777586A (xx)
EP (1) EP0215464B1 (xx)
JP (1) JPS6267800A (xx)
KR (1) KR940009101B1 (xx)
DE (1) DE3685071D1 (xx)
HK (1) HK51394A (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267800A (ja) * 1985-09-20 1987-03-27 Hitachi Ltd 半導体集積回路装置
JPH0827730B2 (ja) * 1986-11-07 1996-03-21 沖電気工業株式会社 シングルチップマイクロコンピュータ及びそのテスト方法
JPS63121934A (ja) * 1986-11-10 1988-05-26 Oki Electric Ind Co Ltd 評価用ワンチツプマイクロコンピユ−タ
US5089951A (en) * 1987-11-05 1992-02-18 Kabushiki Kaisha Toshiba Microcomputer incorporating memory
DK169883B1 (da) * 1988-02-25 1995-03-20 Siemens Ag Fremgangsmåde til sikring af hemmelige kodedata lagret i et datalager og kredsløbsarrangement til udøvelse af fremgangsmåden
JP2534314B2 (ja) * 1988-04-15 1996-09-11 富士通株式会社 半導体集積回路
DE3820728A1 (de) * 1988-06-18 1989-12-21 Philips Patentverwaltung Verfahren zum pruefen eines festwertspeichers und anordnung zur durchfuehrung des verfahrens
KR0136594B1 (ko) * 1988-09-30 1998-10-01 미다 가쓰시게 단일칩 마이크로 컴퓨터
JPH02255925A (ja) * 1988-11-30 1990-10-16 Hitachi Ltd メモリテスト方法および装置
US5293610A (en) * 1989-08-04 1994-03-08 Motorola, Inc. Memory system having two-level security system for enhanced protection against unauthorized access
JPH0393098A (ja) * 1989-09-04 1991-04-18 Sharp Corp 集積回路
EP0418521A3 (en) * 1989-09-20 1992-07-15 International Business Machines Corporation Testable latch self checker
US5278839A (en) * 1990-04-18 1994-01-11 Hitachi, Ltd. Semiconductor integrated circuit having self-check and self-repair capabilities
JPH04195546A (ja) * 1990-11-28 1992-07-15 Nec Corp マイクロコンピュータのテストモード設定回路
US5974570A (en) * 1990-12-01 1999-10-26 Hitachi, Ltd. Method for managing data processing system and high-reliability memory
US5353431A (en) * 1991-04-29 1994-10-04 Intel Corporation Memory address decoder with storage for memory attribute information
US5399912A (en) * 1992-01-13 1995-03-21 Hitachi, Ltd. Hold-type latch circuit with increased margin in the feedback timing and a memory device using same for holding parity check error
JP3186359B2 (ja) * 1993-07-28 2001-07-11 安藤電気株式会社 物理アドレス変換回路
US5617531A (en) * 1993-11-02 1997-04-01 Motorola, Inc. Data Processor having a built-in internal self test controller for testing a plurality of memories internal to the data processor
GB9414266D0 (en) * 1994-07-14 1994-08-31 Jonhig Ltd Testing of memory content
US5592493A (en) * 1994-09-13 1997-01-07 Motorola Inc. Serial scan chain architecture for a data processing system and method of operation
US5615335A (en) * 1994-11-10 1997-03-25 Emc Corporation Storage system self-test apparatus and method
DE69500346T2 (de) * 1995-01-23 1997-12-11 Ibm Verbesserte Speicherselbstprüfung
WO1998022879A1 (en) * 1996-11-15 1998-05-28 Philips Electronics N.V. A protection method against eeprom-directed intrusion into a mobile communication device that has a processor, and a device having such protection mechanism
JP3606788B2 (ja) 2000-05-31 2005-01-05 松下電器産業株式会社 半導体集積回路および半導体集積回路の検査方法
WO2003107193A1 (ja) * 2002-06-14 2003-12-24 松下電器産業株式会社 半導体集積回路装置、データ記憶検証装置およびデータ記憶検証方法
US20080114582A1 (en) * 2006-11-10 2008-05-15 Texas Instruments Incorporated Detecting tampering of a signal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002881A1 (en) * 1979-06-12 1980-12-24 Motorola Inc Microcomputer with mpu-programmable eprom
US4414665A (en) * 1979-11-21 1983-11-08 Nippon Telegraph & Telephone Public Corp. Semiconductor memory device test apparatus
GB2092338B (en) * 1981-01-31 1984-07-18 Jpm Automatic Machines Ltd Improvements relating to programmable memories
DE3588121T2 (de) * 1984-05-31 1997-01-16 Fujitsu Ltd Halbleiterintegrierte Schaltung mit einer Ersatzredundanzschaltung
JPS6267800A (ja) * 1985-09-20 1987-03-27 Hitachi Ltd 半導体集積回路装置

Also Published As

Publication number Publication date
DE3685071D1 (de) 1992-06-04
US4777586A (en) 1988-10-11
KR940009101B1 (ko) 1994-09-29
JPS6267800A (ja) 1987-03-27
EP0215464A2 (en) 1987-03-25
KR870003430A (ko) 1987-04-17
EP0215464B1 (en) 1992-04-29
EP0215464A3 (en) 1989-03-15
US4905142A (en) 1990-02-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)