KR0147453B1 - 반도체 집적회로 - Google Patents
반도체 집적회로Info
- Publication number
- KR0147453B1 KR0147453B1 KR1019940027235A KR19940027235A KR0147453B1 KR 0147453 B1 KR0147453 B1 KR 0147453B1 KR 1019940027235 A KR1019940027235 A KR 1019940027235A KR 19940027235 A KR19940027235 A KR 19940027235A KR 0147453 B1 KR0147453 B1 KR 0147453B1
- Authority
- KR
- South Korea
- Prior art keywords
- input
- circuit
- lsi
- circuits
- gate leakage
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title description 5
- 239000000872 buffer Substances 0.000 claims abstract description 69
- 238000012360 testing method Methods 0.000 claims abstract description 69
- 230000011664 signaling Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 12
- 230000002457 bidirectional effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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
- G01R31/31712—Input or output aspects
- G01R31/31715—Testing of input or output circuits; test of circuitry between the I/C pins and the functional core, e.g. testing of input or output driver, receiver, buffer
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Tests Of Electronic Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (2)
- 복수개의 신호입력단자(111∼11n, 411, 412)와, 이 복수개의 신호입력단자(111∼11n, 411, 412)에 대응해서 각 입력노드가 접속되고, 상기 각 입력노드에 게이트가 접속된 MOS트랜지스터를 갖춘 복수개의 입력버퍼회로(121∼12n),이 복수개의 입력버퍼회로(121∼12n)에 각 입력노드간을 단락할 수 있도록 삽입된 복수개의 스위치회로(14) 및, 이 복수개의 스위치회로(14)를 스위치제어하기 위한 테스트모드 절환신호가 부여되고, 이 테스트모드 절환신호를 기초로 상기 복수개의 스위치회로(14)를 각각 오프상태 또는 온상태로 제어하는 제어회로(161, 162)를 구비하여 구성된 것을 특징으로 하는 반도체 집적회로.
- 제1항에 있어서, 상기 복수개의 신호입력단자(111∼11n, 411, 412)중 적어도 1개 또는 상기 복수개의 입력버퍼회로(121∼12n)의 각 입력노드중 적어도 하나에 접속된 소정의 회로(21, 22)를 더 구비하고, 상기 입력버퍼회로(121∼12n)의 게이트 누설전류 시험을 수행하는 경우, 상기 제어회로(161, 162)는 상기 테스트모드 절환신호를 기초로 상기 복수개의 스위치회로를 각각 온상태로 제어함과 더불어 상기 소정의 회로가 상기 게이트 누설전류 시험에 지장을 주지 않는 상태에서 제어하는 것을 특징으로 하는 반도체 집적회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27217193A JP3207639B2 (ja) | 1993-10-29 | 1993-10-29 | 半導体集積回路 |
JP93-272171 | 1993-10-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950012666A KR950012666A (ko) | 1995-05-16 |
KR0147453B1 true KR0147453B1 (ko) | 1998-11-02 |
Family
ID=17510067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940027235A KR0147453B1 (ko) | 1993-10-29 | 1994-10-25 | 반도체 집적회로 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3207639B2 (ko) |
KR (1) | KR0147453B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100428792B1 (ko) * | 2002-04-30 | 2004-04-28 | 삼성전자주식회사 | 패드의 언더슈트 또는 오버슈트되는 입력 전압에 안정적인전압 측정장치 |
-
1993
- 1993-10-29 JP JP27217193A patent/JP3207639B2/ja not_active Expired - Lifetime
-
1994
- 1994-10-25 KR KR1019940027235A patent/KR0147453B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP3207639B2 (ja) | 2001-09-10 |
KR950012666A (ko) | 1995-05-16 |
JPH07128396A (ja) | 1995-05-19 |
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