KR100582807B1 - 아날로그 회로 및 디지털 회로를 구비하는 검사 가능한 집적 회로 - Google Patents
아날로그 회로 및 디지털 회로를 구비하는 검사 가능한 집적 회로 Download PDFInfo
- Publication number
- KR100582807B1 KR100582807B1 KR1019997012126A KR19997012126A KR100582807B1 KR 100582807 B1 KR100582807 B1 KR 100582807B1 KR 1019997012126 A KR1019997012126 A KR 1019997012126A KR 19997012126 A KR19997012126 A KR 19997012126A KR 100582807 B1 KR100582807 B1 KR 100582807B1
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- South Korea
- Prior art keywords
- circuit
- shim
- multiplexer
- input
- seam
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- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 17
- 238000013461 design Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/3167—Testing of combined analog and digital circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3185—Reconfiguring for testing, e.g. LSSD, partitioning
- G01R31/318533—Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG
- G01R31/318536—Scan chain arrangements, e.g. connections, test bus, analog signals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Integrated Circuits (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (5)
- 적어도 하나의 아날로그 회로(analog circuit)(108), 적어도 하나의 디지털 회로(digital circuit)(120) 및 상기 아날로그 회로(108)와 상기 디지털 회로(120) 사이에 있는 적어도 하나의 신호 경로(signal path)(112)를 포함하는 집적 회로(100)로서,상기 신호 경로(112)는 심 회로(seam circuit)(130)를 포함하고, 상기 심 회로(130)는 스캔 체인(scan chain)의 일부인 심 메모리 소자(seam memory element)(210) 및 심 멀티플렉서(seam multiplexer)(220)를 갖는 피드백 루프(feedback loop)(214)를 포함하며, 상기 심 메모리 소자(210)는 상기 심 멀티플렉서(220)의 출력부와 제 1 입력부 사이에 접속되고, 상기 심 멀티플렉서(220)의 제 2 입력부는 상기 심 회로의 입력부(230)에 접속되는집적 회로.
- 제 1 항에 있어서,상기 심 회로(130)의 출력부가 상기 심 멀티플렉서(220)의 출력부에 의해 구성되는 집적 회로.
- 제 1 항에 있어서,상기 심 회로(130)의 출력부가 상기 심 메모리 소자(210)의 출력부에 의해 구성되는 집적 회로.
- 제 1 항에 있어서,상기 피드백 루프(214)는 래치(latch)(580)를 더 포함하며, 상기 래치(580)의 출력부는 상기 심 회로(130)의 출력부를 구성하는 집적 회로.
- 제 1 항에 있어서,상기 아날로그 회로(108)와 상기 디지털 회로(120) 사이에 복수의 신호 경로(112)를 포함하되, 상기 복수의 신호 경로(112)는 제각기의 심 회로(130)를 포함하며, 상기 디지털 회로(120)의 메모리 소자는 제 1 스캔 체인 내에서 체인으로 연결되고, 상기 심 회로(130)의 심 메모리 소자(210)는 상기 제 2 스캔 체인에서 체인으로 연결되며, 상기 집적 회로(100)는 제 1 및 제 2 검사 모드를 가지며, 상기 제 1 및 제 2 스캔 체인은 상기 제 1 검사 모드에서 단일 스캔 체인으로 작동될 수 있고, 상기 제 2 스캔 체인은 상기 제 2 검사 모드에서 상기 제 1 스캔 체인에 대해 독립적으로 작동될 수 있는 집적 회로.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98201314.6 | 1998-04-23 | ||
EP98201314 | 1998-04-23 | ||
PCT/IB1999/000639 WO1999056396A2 (en) | 1998-04-23 | 1999-04-12 | Testable ic having analog and digital circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010014089A KR20010014089A (ko) | 2001-02-26 |
KR100582807B1 true KR100582807B1 (ko) | 2006-05-24 |
Family
ID=8233637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019997012126A KR100582807B1 (ko) | 1998-04-23 | 1999-04-12 | 아날로그 회로 및 디지털 회로를 구비하는 검사 가능한 집적 회로 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6389567B2 (ko) |
EP (1) | EP0992115B1 (ko) |
JP (1) | JP4067578B2 (ko) |
KR (1) | KR100582807B1 (ko) |
DE (1) | DE69933349T2 (ko) |
WO (1) | WO1999056396A2 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6651129B1 (en) * | 1999-07-21 | 2003-11-18 | National Semiconductor Corporation | Apparatus and method for establishing a data communication interface to control and configure an electronic system with analog and digital circuits |
DE50015199D1 (de) * | 2000-01-26 | 2008-07-24 | Infineon Technologies Ag | Elektrische Schaltung und Verfahren zum Testen einer Schaltungskomponente der elektrischen Schaltung |
US6947883B1 (en) * | 2000-07-19 | 2005-09-20 | Vikram Gupta | Method for designing mixed signal integrated circuits and configurable synchronous digital noise emulator circuit |
DE60034337T2 (de) * | 2000-09-11 | 2007-12-20 | Freescale Semiconductor, Inc., Austin | Prüfbare Analog/Digitalschnittstelleschaltung |
DE60203378T2 (de) | 2001-02-07 | 2006-04-20 | Koninklijke Philips Electronics N.V. | Testschaltung für eine intergrierte schaltung mit nur einem wahlelement für jeden signalweg |
US6931561B2 (en) * | 2001-10-16 | 2005-08-16 | International Business Machines Corporation | Apparatus and method for asynchronously interfacing high-speed clock domain and low-speed clock domain using a plurality of storage and multiplexer components |
US20040098646A1 (en) * | 2002-11-20 | 2004-05-20 | Fisher Rory L. | Method and apparatus to check the integrity of scan chain connectivity by traversing the test logic of the device |
FR2897440A1 (fr) * | 2006-02-10 | 2007-08-17 | St Microelectronics Sa | Circuit electronique comprenant un mode de test securise par rupture d'une chaine de test, et procede associe. |
JP2011102764A (ja) * | 2009-11-11 | 2011-05-26 | Renesas Electronics Corp | 半導体集積回路、半導体集積回路設計方法及び半導体集積回路設計プログラム |
CN103247324B (zh) * | 2012-02-07 | 2016-01-06 | 北京兆易创新科技股份有限公司 | 一种串行接口快闪存储器及其设计方法 |
US10317464B2 (en) * | 2017-05-08 | 2019-06-11 | Xilinx, Inc. | Dynamic scan chain reconfiguration in an integrated circuit |
US11940494B2 (en) | 2021-11-11 | 2024-03-26 | Samsung Electronics Co., Ltd. | System on chip for performing scan test and method of designing the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5134638A (en) * | 1990-04-17 | 1992-07-28 | Smiths Industries Public Limited Company | Shift register connection between electrical circuits |
US5602855A (en) * | 1988-09-07 | 1997-02-11 | Texas Instruments Incorporated | Integrated test circuit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419734B1 (en) * | 1989-08-25 | 1995-06-14 | Koninklijke Philips Electronics N.V. | Method for testing a hierarchically organised integrated circuit device, and integrated circuit device suitable for being so tested |
JP2741119B2 (ja) * | 1991-09-17 | 1998-04-15 | 三菱電機株式会社 | バイパススキャンパスおよびそれを用いた集積回路装置 |
JP3563750B2 (ja) * | 1992-10-16 | 2004-09-08 | テキサス インスツルメンツ インコーポレイテツド | アナログ回路のための走査に基づく試験 |
JP2629611B2 (ja) * | 1994-08-31 | 1997-07-09 | 日本電気株式会社 | アナログ/ディジタル混載集積回路およびそのテスト方法 |
US5574733A (en) * | 1995-07-25 | 1996-11-12 | Intel Corporation | Scan-based built-in self test (BIST) with automatic reseeding of pattern generator |
US5648733A (en) * | 1995-11-01 | 1997-07-15 | Lsi Logic Corporation | Scan compatible 3-state bus control |
US5974578A (en) * | 1996-08-06 | 1999-10-26 | Matsushita Electronics Corporation | Integrated circuit and test method therefor |
KR100499740B1 (ko) * | 1996-12-13 | 2005-09-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 제1및제2클록도메인을포함하는집적회로및그러한회로를테스트하는방법 |
US5793778A (en) * | 1997-04-11 | 1998-08-11 | National Semiconductor Corporation | Method and apparatus for testing analog and digital circuitry within a larger circuit |
-
1999
- 1999-04-12 WO PCT/IB1999/000639 patent/WO1999056396A2/en active IP Right Grant
- 1999-04-12 JP JP55386699A patent/JP4067578B2/ja not_active Expired - Fee Related
- 1999-04-12 EP EP99910619A patent/EP0992115B1/en not_active Expired - Lifetime
- 1999-04-12 KR KR1019997012126A patent/KR100582807B1/ko not_active IP Right Cessation
- 1999-04-12 DE DE69933349T patent/DE69933349T2/de not_active Expired - Lifetime
- 1999-04-16 US US09/293,925 patent/US6389567B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5602855A (en) * | 1988-09-07 | 1997-02-11 | Texas Instruments Incorporated | Integrated test circuit |
US5134638A (en) * | 1990-04-17 | 1992-07-28 | Smiths Industries Public Limited Company | Shift register connection between electrical circuits |
Also Published As
Publication number | Publication date |
---|---|
WO1999056396A3 (en) | 2000-01-06 |
JP2002508080A (ja) | 2002-03-12 |
EP0992115A2 (en) | 2000-04-12 |
WO1999056396A2 (en) | 1999-11-04 |
US6389567B2 (en) | 2002-05-14 |
JP4067578B2 (ja) | 2008-03-26 |
US20010049806A1 (en) | 2001-12-06 |
DE69933349D1 (de) | 2006-11-09 |
KR20010014089A (ko) | 2001-02-26 |
EP0992115B1 (en) | 2006-09-27 |
DE69933349T2 (de) | 2007-05-03 |
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