KR0152914B1 - 반도체 메모리장치 - Google Patents
반도체 메모리장치 Download PDFInfo
- Publication number
- KR0152914B1 KR0152914B1 KR1019950009421A KR19950009421A KR0152914B1 KR 0152914 B1 KR0152914 B1 KR 0152914B1 KR 1019950009421 A KR1019950009421 A KR 1019950009421A KR 19950009421 A KR19950009421 A KR 19950009421A KR 0152914 B1 KR0152914 B1 KR 0152914B1
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- KR
- South Korea
- Prior art keywords
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- self
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- signal
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- 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
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
-
- 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
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/46—Test trigger logic
-
- 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
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/44—Indication or identification of errors, e.g. for repair
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Dram (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims (4)
- 특정 어드레스와 외부동기 신호와의 조합에 의해 자가검사모드로의 진입 또는 자가검사 모드에서의 탈출을 선택하여 제어하기 위한 자가검사모드 진입/탈출 제어부와, 상기 자가검사모드 진입/탈출 제어부의 출력에 따라 일정주기의 클럭신호를 발생시키기 위한 내부클럭 발생부와, 상기 내부클럭을 카운트하여 어드레스를 발생함으로써 해당 메모리셀에 데이타를 쓰거나 읽도록 하기 위한 카운터와, 상기 자가검사모드 진입/탈출 제어부의 출력과 카운터 출력신호의 최하위 로우 어드레스 천이상태를 감지하기 위한 어드레스 천이 검출부와, 상기 어드레스 천이검출부의 출력에 따라 특정 워드라인을 인에이블시키는 일정시간동안 내부 클럭신호가 상기 카운터로 전달되는 것을 방지하기 위한 카운터 제어부와, 상기 카운터의 상태에 따라 특정 패턴의 데이타를 발생하기 위한 데이타 발생부와, 메모리셀로부터 읽어들인 데이타와 데이타 발생부로부터 발생된 기대치를 비교하기 위한 데이타 비교부와, 상기 데이타 비교부의 비교결과에 따라 에러발생시로부터 자가검사 종료시까지 에러신호를 출력하고 유지하기 위한 에러 및 종료 검출부를 포함하여 구성된 것을 특징으로 하는 반도체 메모리장치.
- 제1항에 있어서, 상기 카운터는 최하위비트로부터 컬럼어드레스와, 로우 어드레스와, 상기 로우어드레스 사이에 읽기/쓰기를 선택하기 위한 제1조절비트와, 그위에 데이타 패턴조절을 위한 제2 조절비트를 포함하여 구성된 것을 특징으로 하는 반도체 메모리장치.
- 제1항에 있어서, 상기 카운터는 모든 비트가 하이상태이면 종료 플래그를 발생하는 것을 특징으로 하는 반도체 메모리장치.
- 제1항에 있어서, 상기 카운터는 컬럼 어드레스 카운트 후 로우 어드레스가 증가할때 상기 내부 로우 어드레스신호가 인에이블되도록 임의의 출력상태를 토글하고 상기 로우 어드레스의 증가가 2(M-K)워드라인 동안 계속되며, 상기 2(M-K)워드라인을 읽고 쓰는 시간이 리프레시 시간 이내인 것을 특징으로 하는 반도체 메모리장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950009421A KR0152914B1 (ko) | 1995-04-21 | 1995-04-21 | 반도체 메모리장치 |
JP8100536A JP2743268B2 (ja) | 1995-04-21 | 1996-04-22 | 自己試験機能を有するdram |
US08/636,003 US5640354A (en) | 1995-04-21 | 1996-04-22 | Dynamic random access memory having self-test function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950009421A KR0152914B1 (ko) | 1995-04-21 | 1995-04-21 | 반도체 메모리장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960038989A KR960038989A (ko) | 1996-11-21 |
KR0152914B1 true KR0152914B1 (ko) | 1998-12-01 |
Family
ID=19412646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950009421A KR0152914B1 (ko) | 1995-04-21 | 1995-04-21 | 반도체 메모리장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5640354A (ko) |
JP (1) | JP2743268B2 (ko) |
KR (1) | KR0152914B1 (ko) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6041426A (en) * | 1995-04-07 | 2000-03-21 | National Semiconductor Corporation | Built in self test BIST for RAMS using a Johnson counter as a source of data |
TW338159B (en) * | 1996-04-29 | 1998-08-11 | Texas Instruments Inc | Apparatus and method for subarray testing in dynamic random access memories using a built-in-self-test unit |
US20020071325A1 (en) * | 1996-04-30 | 2002-06-13 | Hii Kuong Hua | Built-in self-test arrangement for integrated circuit memory devices |
US5883843A (en) * | 1996-04-30 | 1999-03-16 | Texas Instruments Incorporated | Built-in self-test arrangement for integrated circuit memory devices |
JP3544073B2 (ja) * | 1996-09-03 | 2004-07-21 | 株式会社 沖マイクロデザイン | 半導体メモリ装置のテスト方法および半導体メモリ装置 |
US5936900A (en) * | 1996-12-19 | 1999-08-10 | Texas Instruments Incorporated | Integrated circuit memory device having built-in self test circuit with monitor and tester modes |
US6230245B1 (en) | 1997-02-11 | 2001-05-08 | Micron Technology, Inc. | Method and apparatus for generating a variable sequence of memory device command signals |
US6175894B1 (en) | 1997-03-05 | 2001-01-16 | Micron Technology, Inc. | Memory device command buffer apparatus and method and memory devices and computer systems using same |
US5996043A (en) | 1997-06-13 | 1999-11-30 | Micron Technology, Inc. | Two step memory device command buffer apparatus and method and memory devices and computer systems using same |
US5825711A (en) * | 1997-06-13 | 1998-10-20 | Micron Technology, Inc. | Method and system for storing and processing multiple memory addresses |
US6484244B1 (en) | 1997-06-17 | 2002-11-19 | Micron Technology, Inc. | Method and system for storing and processing multiple memory commands |
US6202119B1 (en) | 1997-12-19 | 2001-03-13 | Micron Technology, Inc. | Method and system for processing pipelined memory commands |
US6175905B1 (en) | 1998-07-30 | 2001-01-16 | Micron Technology, Inc. | Method and system for bypassing pipelines in a pipelined memory command generator |
SE9802800D0 (sv) * | 1998-08-21 | 1998-08-21 | Ericsson Telefon Ab L M | Memory supervision |
US6178488B1 (en) | 1998-08-27 | 2001-01-23 | Micron Technology, Inc. | Method and apparatus for processing pipelined memory commands |
KR100304700B1 (ko) * | 1999-01-13 | 2001-09-26 | 윤종용 | 버퍼부를 내장하여 부하를 일정하게 하는 리던던시 회로 |
JP2001202773A (ja) * | 2000-01-20 | 2001-07-27 | Mitsubishi Electric Corp | 半導体記憶装置 |
US6874111B1 (en) | 2000-07-26 | 2005-03-29 | International Business Machines Corporation | System initialization of microcode-based memory built-in self-test |
US6643807B1 (en) | 2000-08-01 | 2003-11-04 | International Business Machines Corporation | Array-built-in-self-test (ABIST) for efficient, fast, bitmapping of large embedded arrays in manufacturing test |
US6704894B1 (en) | 2000-12-21 | 2004-03-09 | Lockheed Martin Corporation | Fault insertion using on-card reprogrammable devices |
US6981188B2 (en) * | 2001-08-16 | 2005-12-27 | Tower Semiconductor Ltd. | Non-volatile memory device with self test |
US6907554B2 (en) * | 2003-05-09 | 2005-06-14 | International Business Machines Corporation | Built-in self test system and method for two-dimensional memory redundancy allocation |
DE102004022327B4 (de) * | 2004-05-06 | 2006-04-27 | Infineon Technologies Ag | Integrierter Halbleiterspeicher |
KR20100094241A (ko) * | 2009-02-18 | 2010-08-26 | 삼성전자주식회사 | 예비 블록을 포함하지 않는 불휘발성 메모리 장치 |
US10672496B2 (en) * | 2017-10-24 | 2020-06-02 | Micron Technology, Inc. | Devices and methods to write background data patterns in memory devices |
US10402116B2 (en) * | 2017-12-11 | 2019-09-03 | Micron Technology, Inc. | Systems and methods for writing zeros to a memory array |
US10825491B2 (en) * | 2017-12-11 | 2020-11-03 | Micron Technology, Inc. | Systems and methods for writing zeros to a memory array |
US10482989B1 (en) * | 2018-02-23 | 2019-11-19 | Cadence Design Systems, Inc. | Dynamic diagnostics analysis for memory built-in self-test |
US11705214B2 (en) * | 2020-03-30 | 2023-07-18 | Micron Technologv. Inc. | Apparatuses and methods for self-test mode abort circuit |
US12067257B2 (en) * | 2022-09-21 | 2024-08-20 | Micron Technology, Inc. | Testing operations for memory systems |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105146B2 (ja) * | 1988-07-29 | 1995-11-13 | 三菱電機株式会社 | 不揮発性記憶装置 |
-
1995
- 1995-04-21 KR KR1019950009421A patent/KR0152914B1/ko not_active IP Right Cessation
-
1996
- 1996-04-22 JP JP8100536A patent/JP2743268B2/ja not_active Expired - Fee Related
- 1996-04-22 US US08/636,003 patent/US5640354A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR960038989A (ko) | 1996-11-21 |
JP2743268B2 (ja) | 1998-04-22 |
JPH08297999A (ja) | 1996-11-12 |
US5640354A (en) | 1997-06-17 |
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