ATE203851T1 - Verfahren und vorrichtung zum zugriff auf inneren prüfschaltungen in einer integrierten schaltung - Google Patents
Verfahren und vorrichtung zum zugriff auf inneren prüfschaltungen in einer integrierten schaltungInfo
- Publication number
- ATE203851T1 ATE203851T1 AT97943405T AT97943405T ATE203851T1 AT E203851 T1 ATE203851 T1 AT E203851T1 AT 97943405 T AT97943405 T AT 97943405T AT 97943405 T AT97943405 T AT 97943405T AT E203851 T1 ATE203851 T1 AT E203851T1
- Authority
- AT
- Austria
- Prior art keywords
- circuit
- integrated circuit
- test
- externally accessible
- test circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/273—Tester hardware, i.e. output processing circuits
- G06F11/2733—Test interface between tester and unit under test
-
- 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
- G11C29/48—Arrangements in static stores specially adapted for testing by means external to the store, e.g. using direct memory access [DMA] or using auxiliary access paths
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/717,133 US5734661A (en) | 1996-09-20 | 1996-09-20 | Method and apparatus for providing external access to internal integrated circuit test circuits |
PCT/US1997/016724 WO1998012707A1 (en) | 1996-09-20 | 1997-09-18 | Method and apparatus for providing external access to internal integrated circuit test circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE203851T1 true ATE203851T1 (de) | 2001-08-15 |
Family
ID=24880837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT97943405T ATE203851T1 (de) | 1996-09-20 | 1997-09-18 | Verfahren und vorrichtung zum zugriff auf inneren prüfschaltungen in einer integrierten schaltung |
Country Status (8)
Country | Link |
---|---|
US (1) | US5734661A (de) |
EP (1) | EP0927422B1 (de) |
JP (1) | JP3696890B2 (de) |
KR (1) | KR100458344B1 (de) |
AT (1) | ATE203851T1 (de) |
AU (1) | AU4488797A (de) |
DE (1) | DE69705955T2 (de) |
WO (1) | WO1998012707A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6694465B1 (en) * | 1994-12-16 | 2004-02-17 | Texas Instruments Incorporated | Low overhead input and output boundary scan cells |
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 |
TW384477B (en) * | 1997-06-23 | 2000-03-11 | Samsung Electronics Co Ltd | Merged memory logic semiconductor device, memory test control circuit and memory test method |
US5944845A (en) * | 1997-06-26 | 1999-08-31 | Micron Technology, Inc. | Circuit and method to prevent inadvertent test mode entry |
US6216240B1 (en) | 1997-06-26 | 2001-04-10 | Samsung Electronics Co., Ltd. | Merged memory and logic (MML) integrated circuits including memory test controlling circuits and methods |
JP3866444B2 (ja) * | 1998-04-22 | 2007-01-10 | 東芝マイクロエレクトロニクス株式会社 | 半導体装置及びその内部信号モニタ方法 |
KR100307626B1 (ko) | 1998-08-31 | 2001-11-30 | 윤종용 | 디램과버퍼메모리를갖는메모리로직복합집적회로장치 |
US6266787B1 (en) * | 1998-10-09 | 2001-07-24 | Agilent Technologies, Inc. | Method and apparatus for selecting stimulus locations during limited access circuit test |
KR100688480B1 (ko) * | 2000-09-19 | 2007-03-08 | 삼성전자주식회사 | 패키지 상태에서의 반도체 소자의 전기적 특성 측정 수단및 그 방법 |
ITRM20010556A1 (it) * | 2001-09-12 | 2003-03-12 | Micron Technology Inc | Decodificatore per decodificare i comandi di commutazione a modo di test di circuiti integrati. |
JP2003168300A (ja) * | 2001-11-29 | 2003-06-13 | Mitsubishi Electric Corp | 半導体装置 |
US6944812B2 (en) * | 2002-01-15 | 2005-09-13 | Micron Technology, Inc. | Mode entry circuit and method |
US6898750B2 (en) * | 2002-01-16 | 2005-05-24 | Microtune (San Diego), Inc. | In-chip monitoring system to monitor input/output of functional blocks |
JP4313544B2 (ja) * | 2002-05-15 | 2009-08-12 | 富士通マイクロエレクトロニクス株式会社 | 半導体集積回路 |
US7026646B2 (en) * | 2002-06-20 | 2006-04-11 | Micron Technology, Inc. | Isolation circuit |
US6967348B2 (en) * | 2002-06-20 | 2005-11-22 | Micron Technology, Inc. | Signal sharing circuit with microelectric die isolation features |
US7478302B2 (en) * | 2003-05-28 | 2009-01-13 | Nxp B.V. | Signal integrity self-test architecture |
DE102004057819B4 (de) * | 2004-12-01 | 2010-07-22 | Qimonda Ag | Eingangsschaltung für eine integrierte Schaltung |
US7594149B2 (en) * | 2005-02-22 | 2009-09-22 | Integrated Device Technology, Inc. | In-situ monitor of process and device parameters in integrated circuits |
US7583087B2 (en) * | 2005-02-22 | 2009-09-01 | Integrated Device Technology, Inc. | In-situ monitor of process and device parameters in integrated circuits |
US20070263472A1 (en) * | 2006-05-11 | 2007-11-15 | Anderson Brent A | Process environment variation evaluation |
US7966530B2 (en) * | 2007-12-18 | 2011-06-21 | Micron Technology, Inc. | Methods, devices, and systems for experiencing reduced unequal testing degradation |
US8779790B2 (en) * | 2009-06-26 | 2014-07-15 | Freescale Semiconductor, Inc. | Probing structure for evaluation of slow slew-rate square wave signals in low power circuits |
CN102708014B (zh) * | 2012-05-14 | 2015-06-24 | 江苏中科梦兰电子科技有限公司 | 支持笔记本超低温工作的双嵌入式控制器电路和控制方法 |
US9500700B1 (en) * | 2013-11-15 | 2016-11-22 | Xilinx, Inc. | Circuits for and methods of testing the operation of an input/output port |
US11144104B2 (en) * | 2020-02-14 | 2021-10-12 | Silicon Laboratories Inc. | Mode selection circuit for low-cost integrated circuits such as microcontrollers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5535331A (en) * | 1987-09-04 | 1996-07-09 | Texas Instruments Incorporated | Processor condition sensing circuits, systems and methods |
IL96808A (en) * | 1990-04-18 | 1996-03-31 | Rambus Inc | Introductory / Origin Circuit Agreed Using High-Performance Brokerage |
US5245577A (en) * | 1990-11-06 | 1993-09-14 | Micron Technology, Inc. | Integrated circuit two-cycle test mode activation circuit |
JP3377225B2 (ja) * | 1992-04-07 | 2003-02-17 | 富士写真フイルム株式会社 | チェック回路を含む集積回路 |
US5508631A (en) * | 1994-10-27 | 1996-04-16 | Mitel Corporation | Semiconductor test chip with on wafer switching matrix |
-
1996
- 1996-09-20 US US08/717,133 patent/US5734661A/en not_active Expired - Lifetime
-
1997
- 1997-09-18 JP JP51492598A patent/JP3696890B2/ja not_active Expired - Fee Related
- 1997-09-18 WO PCT/US1997/016724 patent/WO1998012707A1/en active IP Right Grant
- 1997-09-18 DE DE69705955T patent/DE69705955T2/de not_active Expired - Lifetime
- 1997-09-18 KR KR10-1999-7002407A patent/KR100458344B1/ko not_active IP Right Cessation
- 1997-09-18 AT AT97943405T patent/ATE203851T1/de not_active IP Right Cessation
- 1997-09-18 EP EP97943405A patent/EP0927422B1/de not_active Expired - Lifetime
- 1997-09-18 AU AU44887/97A patent/AU4488797A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR100458344B1 (ko) | 2004-11-26 |
DE69705955T2 (de) | 2002-04-04 |
JP3696890B2 (ja) | 2005-09-21 |
JP2002516015A (ja) | 2002-05-28 |
EP0927422A1 (de) | 1999-07-07 |
EP0927422B1 (de) | 2001-08-01 |
WO1998012707A1 (en) | 1998-03-26 |
KR20000048507A (ko) | 2000-07-25 |
US5734661A (en) | 1998-03-31 |
DE69705955D1 (de) | 2001-09-06 |
AU4488797A (en) | 1998-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |