ClassID:

171898

G01R31/31858 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Testing of digital circuits; Functional testing; Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG; AC testing, e.g. current testing, burn-in Delay testing

Recent Application in this class:
#1
20250244385
2025-07-31

MONITOR BLOCK, INTERFACE CIRCUIT, AND METHOD OF OPERATING DEBUGGING SYSTEM

#2
20250035703
2025-01-30

SCAN-SHIFT BUFFER ISOLATOR FOR DYNAMIC POWER REDUCTION

#3
20240369629
2024-11-07

MULTIPLEXER FOR SDFQ HAVING DIFFERENTLY-SIZED SCAN AND DATA TRANSISTORS, SEMICONDUCTOR DEVICE INCLUDING SAME AND METHODS OF MANUFACTURING SAME

#4
20230408582
2023-12-21

Multiplexer for SDFQ having differently-sized scan and data transistors, semiconductor device including same and methods of manufacturing same

#5
20230393199
2023-12-07

Using scan chains to read out data from integrated sensors during scan tests

#6
20230079599
2023-03-16

Integrated circuit, test assembly and method for testing an integrated circuit

#7
20220390516
2022-12-08

Computer-readable recording medium storing analysis program, analysis method, and analysis device

#8
20220091919
2022-03-24

Delay fault testing of pseudo static controls

#9
20200166565
2020-05-28

Method and system for microwave mixer phase response measurement

#10
20200142768
2020-05-07

Delay fault testing of pseudo static controls

#11
20190227124
2019-07-25

Use of wrapper cells to improve signal routing in integrated circuits

#12
20180307553
2018-10-25

Delay fault testing of pseudo static controls

#13
20180203067
2018-07-19

CLOCK GATING CIRCUITS AND SCAN CHAIN CIRCUITS USING THE SAME

#14
20170276729
2017-09-28

Unbalanced multiplexer and scan flip-flops applying the same

#15
20170261549
2017-09-14

Method for testing through silicon vias in 3D integrated circuits

#16
20160062388
2016-03-03

Selectable phase or cycle jitter detector

#17
20150268301
2015-09-24

Scan test circuit, test pattern generation control circuit, and scan test control method

#18
20150212150
2015-07-30

DFT approach to enable faster scan chain diagnosis

#19
20140157071
2014-06-05

Delay testing capturing second response to first response as stimulus

#20
20140132290
2014-05-15

Flexible performance screen ring oscillator within a scan chain

#21
20140129868
2014-05-08

Selectable phase or cycle jitter detector

#22
20130254609
2013-09-26

Scan test circuit, test pattern generation control circuit, and scan test control method

#23
20130073907
2013-03-21

Method of testing a device under test, device under test, and semiconductor test system including the device under test

#24
20130036337
2013-02-07

Clock control of pipelined memory for improved delay fault testing

#25
20120204072
2012-08-09

Memory coupling scan input to first of scan path segments

#26
20120054568
2012-03-01

Transition delay test function logic

#27
20110320160
2011-12-29

Integrated circuit, simulation apparatus and simulation method

#28
20110296260
2011-12-01

SEMICONDUCTOR DEVICE

#29
20110289371
2011-11-24

Capturing response after simultaneously inputting last stimulus bit in scan path subdivisions

#30
20110267096
2011-11-03

Critical-path circuit for performance monitoring

#31
20110185244
2011-07-28

Scan test circuit and scan test control method

#32
20110176374
2011-07-21

Bist DDR memory interface circuit and method for testing the same

#33
20110161755
2011-06-30

Methods of parametric testing in digital circuits

#34
20110154141
2011-06-23

Method to test hold path faults using functional clocking

#35
20110138217
2011-06-09

Semiconductor device

#36
20110084726
2011-04-14

Adjustable hold flip flop and method for adjusting hold requirements

#37
20110078523
2011-03-31

OUTPUT CONTROL SCAN FLIP-FLOP, SCAN TEST CIRCUIT USING THE SAME, AND TEST DESIGN METHOD

#38
20110066906
2011-03-17

Pulse Triggered Latches with Scan Functionality

#39
20110029829
2011-02-03

Semiconductor device

#40
20110026343
2011-02-03

BIST DDR memory interface circuit and method for testing the same

#41
20100241916
2010-09-23

SCAN TEST CIRCUIT AND METHOD FOR CHANGING CIRCUIT TO SCAN TEST CIRCUIT

#42
20100207662
2010-08-19

Semiconductor integrated circuit

#43
20100205493
2010-08-12

SEMICONDUCTOR INTEGRATED CIRCUIT, METHOD OF TESTING SEMICONDUCTOR INTEGRATED CIRCUIT, AND METHOD OF DESIGNING SEMICONDUCTOR INTEGRATED CIRCUIT

#44
20090302917
2009-12-10

DELAY CIRCUIT AND TEST METHOD FOR DELAY CIRCUIT

#45
20090284247
2009-11-19

Digital signal delay measuring circuit and digital signal delay measuring method

#46
20090240459
2009-09-24

Identifying sequential functional paths for IC testing methods and system

#47
20090198461
2009-08-06

Systems and methods for testing and diagnosing delay faults and for parametric testing in digital circuits

#48
20090187799
2009-07-23

Common test logic for multiple operation modes

#49
20090177935
2009-07-09

Scan chain cell with delay testing capability

#50
20090134912
2009-05-28

Adjustable hold flip flop and method for adjusting hold requirements

#51
20090115481
2009-05-07

Pulse operated flip-flop circuit having test-input function and associated method

#52
20090070646
2009-03-12

Multiple-capture DFT system for scan-based integrated circuits

#53
20090024888
2009-01-22

Semiconductor device

#54
20090009206
2009-01-08

Bist DDR memory interface circuit and method for self-testing the same using phase relationship between a data signal and a data strobe signal

#55
20090003424
2009-01-01

IC testing methods and apparatus

#56
20080320351
2008-12-25

Segmented scan paths with cache bit memory inputs

#57
20080284480
2008-11-20

Scan flip-flop with internal latency for scan input

#58
20080270859
2008-10-30

Scan test circuit and scan test control method

#59
20080250285
2008-10-09

Circuit arrangement, electronic mechanism, electrical turn out and procedures for the operation of one circuit arrangement

#60
20080211531
2008-09-04

Integrated circuit testing methods using well bias modification

#61
20080059853
2008-03-06

Semiconductor Integrated Circuit

#62
20080036486
2008-02-14

Integrated circuit testing method using well bias modification

#63
20080016417
2008-01-17

Cell supporting scan-based tests and with reduced time delay in functional mode

#64
20080001616
2008-01-03

Testing components of I/O paths of an integrated circuit

#65
20070300112
2007-12-27

SEMICONDUCTOR INTEGRATED CIRCUIT APPARATUS, TEST CIRCUIT OF SEMICONDUCTOR INTEGRATED CIRCUIT APPARATUS AND TEST METHOD OF SEMICONDUCTOR INTEGRATED CIRCUIT APPARATUS

#66
20070288818
2007-12-13

IC functional and delay fault testing

#67
20070288184
2007-12-13

Delay failure test circuit

#68
20070250284
2007-10-25

Semiconductor integrated circuit and testing method for the same

#69
20070192660
2007-08-16

Semiconductor device and method of adding tester circuit for the same

#70
20070061657
2007-03-15

Delay fault testing apparatus

#71
20070001732
2007-01-04

Digital storage element with dual behavior

#72
20060268714
2006-11-30

Rapid I/O Compliant Congestion Control

#73
20060253754
2006-11-09

System and method for improving transition delay fault coverage in delay fault tests through use of transition launch flip-flop

#74
20060253753
2006-11-09

System and method for improving transition delay fault coverage in delay fault tests through use of an enhanced scan flip-flop

#75
20060236179
2006-10-19

Delay test method for large-scale integrated circuits

#76
20060220679
2006-10-05

Low power scan design and delay fault testing technique using first level supply gating

#77
20060195737
2006-08-31

System and method for characterization of certain operating characteristics of devices

#78
20060179376
2006-08-10

Semiconductor integrated circuit with delay test circuit, and method for testing semiconductor integrated circuit

#79
20060168483
2006-07-27

On-chip circuitry for bus validation

#80
20060167645
2006-07-27

Apparatus and method for compensating clock period elongation during scan testing in an integrated circuit (IC)

#81
20060064616
2006-03-23

Method and apparatus for at-speed testing of digital circuits

#82
20060038582
2006-02-23

Electronic circuit with asynchronously operating components

#83
20060031728
2006-02-09

Method and apparatus for measuring digital timing paths by setting a scan mode of sequential storage elements

#84
20060026476
2006-02-02

Integrated circuit device and testing device

#85
20050278593
2005-12-15

Scan-test structure having increased effectiveness and related systems and methods

#86
20050276321
2005-12-15

Circuit for PLL-based at-speed scan testing

#87
20050240847
2005-10-27

Clock controller for at-speed testing of scan circuits

#88
20050240790
2005-10-27

Clocking methodology for at-speed testing of scan circuits with synchronous clocks

#89
20050235186
2005-10-20

Multiple-capture DFT system for scan-based integrated circuits

#90
20050229056
2005-10-13

Circuit and method for comparing circuit performance between functional and AC scan testing in an integrated circuit (IC)

#91
20050222795
2005-10-06

Apparatus and method for compensating clock period elongation during scan testing in an integrated circuit (IC)

#92
20050204228
2005-09-15

Response bits as stimulus in subdivided scan path delay test

#93
20050154552
2005-07-14

Methods for delay-fault testing in field-programmable gate arrays

#94
20050108604
2005-05-19

Scan chain registers that utilize feedback paths within latch units to support toggling of latch unit outputs during enhanced delay fault testing

#95
20050066242
2005-03-24

Hybrid scan-based delay testing technique for compact and high fault coverage test set

#96
20050034038
2005-02-10

Scan capture frequency modulator

#97
20050015689
2005-01-20

Electronic component and method for measuring its qualification

#98
17844376
2023-11-21

Multiplexer for SDFQ having differently-sized scan and data transistors, semiconductor device including same and methods of manufacturing same

#99
17823670
2024-01-23

Core and interface scan testing architecture and methodology

#100
15462878
2018-01-30

In line critical path delay measurement for accurate timing indication for a first fail mechanism

#101
15064319
2017-03-07

Method for testing through silicon vias in 3D integrated circuits