ClassID:

171841

G01R31/3172 - 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 Optimisation aspects, e.g. using functional pin as test pin, pin multiplexing

Recent Application in this class:
#1
20250370039
2025-12-04

AI EMBEDDING VECTOR DATA BASE CALIBRATION ARCHITECTURE

#2
20240426906
2024-12-26

GENERATING A TEST PROGRAM

#3
20240410942
2024-12-12

ELECTRONIC DEVICE FOR IMPROVING A PERFORMANCE OF A SIGNAL CHAIN

#4
20240337691
2024-10-10

PROGRAMMABLE TEST COMPRESSION ARCHITECTURE INPUT/OUTPUT SHIFT REGISTER

#5
20240264230
2024-08-08

TEST COMPRESSION IN A JTAG DAISY-CHAIN ENVIRONMENT

#6
20240249791
2024-07-25

SINGLE "A" LATCH WITH AN ARRAY OF "B" LATCHES

#7
20240012050
2024-01-11

Scan testing using scan frames with embedded commands

#8
20230384376
2023-11-30

SCAN TESTING USING SCAN FRAMES WITH EMBEDDED COMMANDS

#9
20230266389
2023-08-24

Test compression in a JTAG daisy-chain environment

#10
20230204661
2023-06-29

Test circuit in chip and circuit test method

#11
20230204660
2023-06-29

Chip test circuit and circuit test method

#12
20230176123
2023-06-08

Programmable test compression architecture input/output shift register coupled to SCI/SCO/PCO

#13
20230058458
2023-02-23

Reduced signaling interface method and apparatus

#14
20230005560
2023-01-05

Single “A” latch with an array of “B” latches

#15
20220229109
2022-07-21

Test apparatus and test method to a memory device

#16
20220139478
2022-05-05

Method and circuit for scan dump of latch array

#17
20220139477
2022-05-05

Method and circuit for row scannable latch array

#18
20220074989
2022-03-10

Programmable test compression architecture input/output shift register coupled to SCI/SCO/PCO

#19
20210405113
2021-12-30

Scan testing using scan frames with embedded commands

#20
20210405112
2021-12-30

Automated overclocking using a prediction model

#21
20210356522
2021-11-18

Test compression in a JTAG daisy-chain environment

#22
20210325456
2021-10-21

Integrated circuit with reduced signaling interface

#23
20210190863
2021-06-24

Scheme applied in JTAG TAP apparatus, JTAG host, and target system capable of achieving data verification as well as saving on-chip circuit costs

#24
20210156914
2021-05-27

Test method and test system

#25
20210156911
2021-05-27

Logic built-in self test dynamic weight selection method

#26
20210081715
2021-03-18

Systems and methods for predicting the trajectory of an object with the aid of a location-specific latent map

#27
20210078589
2021-03-18

Electronic control unit testing optimization

#28
20210072311
2021-03-11

Programmable scan compression

#29
20210072310
2021-03-11

Reduced signaling interface circuit

#30
20210063483
2021-03-04

Electrical circuit for testing primary internal signals of an ASIC

#31
20210041500
2021-02-11

Programmable test compression architecture input/output shift register coupled to SCI/SCO/PCO

#32
20200264233
2020-08-20

Programmable test compression architecture input/output shift register coupled to SCI/SCO/PCO

#33
20200217890
2020-07-09

Test compression in a JTAG daisy-chain environment

#34
20200191865
2020-06-18

Batch testing system and method thereof

#35
20200174068
2020-06-04

IC test architecture having differential data input and output buffers

#36
20200150178
2020-05-14

Optimization and scheduling of the handling of devices in the automation process

#37
20200088789
2020-03-19

Apparatus, method, and storage medium

#38
20190369162
2019-12-05

Programmable scan compression

#39
20190353705
2019-11-21

Reconfiguring monitoring circuitry

#40
20190293715
2019-09-26

Extracting debug information from FPGAs in multi-tenant environments

#41
20190293713
2019-09-26

Signal probability-based test cube reordering and merging

#42
20190265295
2019-08-29

Entering home state after soft reset signal after address match

#43
20190178939
2019-06-13

TCK to shift register and decompressor on shift-DR and pause-DR

#44
20190178937
2019-06-13

Single pin test interface for pin limited systems

#45
20190178934
2019-06-13

Pin connection testing system for connector, and method thereof

#46
20190120898
2019-04-25

First tap, test compression architecture; second tap, test compression architecture

#47
20190035315
2019-01-31

Panel testing device

#48
20190011499
2019-01-10

HIGHLY EFFICIENT DOUBLE-SAMPLING ARCHITECTURES

#49
20180372794
2018-12-27

Method and device for calibrating an automated test equipment

#50
20180364305
2018-12-20

Input shift register having parallel serial scan outputs, command output

#51
20180238964
2018-08-23

Non-destructive recirculation test support for integrated circuits

#52
20180224503
2018-08-09

Test compression in a JTAG daisy-chain environment

#53
20180188323
2018-07-05

Reconfiguring debug circuitry

#54
20180180676
2018-06-28

Tap, decoder providing SC and SE to scan path circuits

#55
20180172763
2018-06-21

Address/instruction registers, target domain interfaces, control information controlling all domains

#56
20180164377
2018-06-14

Decompressed/compressed data parallel scan paths with input/output shift register, SCI/SCO

#57
20180156868
2018-06-07

Testing a board assembly using test cards

#58
20180143246
2018-05-24

HIGHLY EFFICIENT DOUBLE-SAMPLING ARCHITECTURES

#59
20180143241
2018-05-24

I/O control circuit for reduced pin count (RPC) device testing

#60
20180088174
2018-03-29

Extracting debug information from FPGAs in multi-tenant environments

#61
20180080988
2018-03-22

Decompressed/compressed data parallel scan paths with tap decoded shift/scan clocks

#62
20170285103
2017-10-05

Differential I/O for parallel scan paths, scan frames, embedded commands

#63
20170261555
2017-09-14

Bypassing an encoded latch on a chip during a test-pattern scan

#64
20170261550
2017-09-14

Bypassing an encoded latch on a chip during a test-pattern scan

#65
20170242072
2017-08-24

Double data rate circuitry coupled to test access mechanisms, controller

#66
20170227604
2017-08-10

Control I/O coupling scan test port to test access port

#67
20170199241
2017-07-13

Initializing and testing integrated circuits with selectable scan chains with exclusive-OR outputs

#68
20170184664
2017-06-29

HIGHLY EFFICIENT DOUBLE-SAMPLING ARCHITECTURES

#69
20170176528
2017-06-22

Test method and test apparatus for testing a plurality of blocks in a circuit

#70
20170176524
2017-06-22

Secure remote debugging of SoCs

#71
20170176522
2017-06-22

Debugging method executed via scan chain for scan test and related circuitry system

#72
20170160342
2017-06-08

Dynamic process for adaptive tests

#73
20170141930
2017-05-18

Test point-enhanced hardware security

#74
20170074938
2017-03-16

IC cores, scan paths, compare circuitry, select and enable inputs

#75
20170074929
2017-03-16

Addressable tap domain selection circuit with instruction and linking circuits

#76
20170059655
2017-03-02

TDI, SC, and SE gating circuitry with count complete input

#77
20170059652
2017-03-02

Tap SPC with tap state machine reset and clock control

#78
20170045584
2017-02-16

Reconfiguring debug circuitry

#79
20160377677
2016-12-29

CHIP AND METHOD FOR TESTING A PROCESSING COMPONENT OF A CHIP

#80
20160356849
2016-12-08

Method and apparatus for test time reduction using fractional data packing

#81
20160349323
2016-12-01

Scan testing scan frames with embedded commands and differential signaling

#82
20160349317
2016-12-01

Method and apparatus for obtaining a maximally compressed verification test set

#83
20160341795
2016-11-24

Scheme for Masking Output of Scan Chains in Test Circuit

#84
20160327607
2016-11-10

METHODS AND SYSTEMS FOR TRANSFORMING FAULT TREE DIAGRAMS OF ENGINEERING SYSTEMS

#85
20160320448
2016-11-03

Programmable circuits for correcting scan-test circuitry defects in integrated circuit designs

#86
20160313401
2016-10-27

IC and process shifting compressed data and loading scan paths

#87
20160313400
2016-10-27

Tap controller state machine scanning capturing plurality of scan paths

#88
20160313397
2016-10-27

Bypass register separately controlled as internal scan circuit by TAP

#89
20160291087
2016-10-06

Electronic device with chip-on-film package

#90
20160259002
2016-09-08

Tester for integrated circuits on a silicon wafer and integrated circuit

#91
20160252574
2016-09-01

Decompressed/compressed data parallel scan paths with input/output shift register, SCI/SCO

#92
20160245861
2016-08-25

METHODS AND DEVICES FOR DETERMINING LOGICAL TO PHYSICAL MAPPING ON AN INTEGRATED CIRCUIT

#93
20160223611
2016-08-04

Modifying a scan chain for improved fault diagnosis of integrated circuits

#94
20160169972
2016-06-16

Inserting bypass structures at tap points to reduce latch dependency during scan testing

#95
20160169967
2016-06-16

Inserting bypass structures at tap points to reduce latch dependency during scan testing

#96
20160109514
2016-04-21

Structural testing of integrated circuits

#97
20160097808
2016-04-07

Implementing fixed-point polynomials in hardware logic

#98
20160077155
2016-03-17

Serial/parallel control, separate tap, master reset synchronizer for tap domains

#99
20160069953
2016-03-10

TEST CIRCUIT DESIGN APPARATUS, TEST CIRCUIT DESIGN PROGRAM, AND TEST CIRCUIT

#100
20160033572
2016-02-04

Test clock/test mode slect (TCK/TMS), select, data register (DR) connection circuitry between test access port (TAP) and bypass register

#101
20160003909
2016-01-07

TAP addressable circuit with bi-directional TMS and second signal lead

#102
20150285861
2015-10-08

Gated state machine circuitry having three clock 2 enable states

#103
20150192641
2015-07-09

Device for generating test pattern

#104
20150168489
2015-06-18

Design-Based weighting for logic built-in self-test

#105
20150153412
2015-06-04

IC tap/scan selecting between TDI/SI and a test pattern source

#106
20150033088
2015-01-29

Linking circuitry selectively coupling TDI/TDO with first and second domains

#107
20150012789
2015-01-08

Operating state machine from reset to poll in to reset

#108
20150012237
2015-01-08

Systems and methods for test time outlier detection and correction in integrated circuit testing

#109
20140181605
2014-06-26

Asynchronous programmable JTAG-based interface to debug any system-on-chip states, power modes, resets, clocks, and complex digital logic

#110
20140176169
2014-06-26

Electronic device with chip-on-film package

#111
20140159803
2014-06-12

Semiconductor chip repair by stacking of a base semiconductor chip and a repair semiconductor chip

#112
20140136913
2014-05-15

Circuitry selectively coupling scan circuitry to test data out lead

#113
20140136138
2014-05-15

On-chip spectral analysis using enhanced recursive discrete Fourier transforms

#114
20140075254
2014-03-13

Scan test controller with state machine and gates

#115
20130329508
2013-12-12

Methods and devices for determining logical to physical mapping on an integrated circuit

#116
20130257512
2013-10-03

Methods and structure for utilizing external interfaces used during normal operation of a circuit to output test signals

#117
20130227363
2013-08-29

Transitioning POLL IN to set MRST and CE high states

#118
20130218507
2013-08-22

Testing an integrated circuit device with multiple testing protocols

#119
20130198578
2013-08-01

Maximizing Re-Use of External Pins of an Integrated Circuit for Testing

#120
20130193994
2013-08-01

Systems and methods for test time outlier detection and correction in integrated circuit testing

#121
20130120012
2013-05-16

Testing integrated circuits using few test probes

#122
20130082718
2013-04-04

Circuit test interface and test method thereof

#123
20130073917
2013-03-21

IC with wrapper, TAM, TAM controller, and DDR circuitry

#124
20130073916
2013-03-21

Test access and scan test ports with lockout signal terminal

#125
20130073915
2013-03-21

Gating of clock-DR and pause-DR from TAP to TCA

#126
20120324304
2012-12-20

Parallel scan paths with stimulus and header data circuitry

#127
20120284579
2012-11-08

Master reset and synchronizer circuit with data and clock inputs

#128
20120266035
2012-10-18

DOUBLE DATA RATE TEST INTERFACE AND ARCHITECTURE

#129
20120216090
2012-08-23

Address and instruction controller with TCK, TMS, address match inputs

#130
20120216087
2012-08-23

Compare circuitry with scan cell separate from serial scan circuitry

#131
20120124437
2012-05-17

Integrated circuit having a scan chain and testing method for a chip

#132
20120117435
2012-05-10

Programmable test compression architecture with serial input register and multiplexer

#133
20120096324
2012-04-19

IR gating SC signals during TAP Clock-DR and Pause-DR states

#134
20120089878
2012-04-12

Tap and scan test port with IR lock out output

#135
20120049883
2012-03-01

Semiconductor integrated circuit, circuit testing system, circuit testing unit, and circuit test method

#136
20110320898
2011-12-29

Integrated circuit arrangement for test inputs

#137
20110320897
2011-12-29

Core circuit test architecture

#138
20110314348
2011-12-22

Scan paths, stimulus, and header circuitry with command/frame marker outputs

#139
20110291679
2011-12-01

Testing integrated circuits

#140
20110289370
2011-11-24

Clock controller for JTAG interface

#141
20110267091
2011-11-03

Semiconductor device for performing test operation and method thereof

#142
20110224938
2011-09-15

Systems and methods for test time outlier detection and correction in integrated circuit testing

#143
20110202808
2011-08-18

Inverter and TMS clocked flip-flop pairs between TCK and reset

#144
20110161762
2011-06-30

DOUBLE DATA RATE TEST INTERFACE AND ARCHITECTURE

#145
20110119540
2011-05-19

Tap and control with data I/O, TMS, TDI, and TDO

#146
20110102053
2011-05-05

Method and SOC for implementing time division multiplex of pin

#147
20110087939
2011-04-14

Multiplexer selecting STP clock signal with tap control outputs

#148
20110087938
2011-04-14

Reduced signaling interface method and apparatus

#149
20110087937
2011-04-14

Gating circuitry coupling selected scan paths between I/O scan bus

#150
20110010595
2011-01-13

Optimized JTAG interface

#151
20100318866
2010-12-16

Tap control of TCA scan clock and scan enable

#152
20100318863
2010-12-16

Serial compressed data I/O in a parallel test compression architecture

#153
20100262878
2010-10-14

DDR gate and delay clock circuitry for parallel interface registers

#154
20100205495
2010-08-12

Dual mode test access port method and apparatus

#155
20100162059
2010-06-24

Core circuit test architecture

#156
20100149014
2010-06-17

SEMICONDUCTOR INTEGRATED CIRCUIT

#157
20100131224
2010-05-27

Test method and program product used therefor

#158
20100095178
2010-04-15

Optimized JTAG interface

#159
20100077269
2010-03-25

Reduced signaling interface method and apparatus

#160
20100015732
2010-01-21

Semiconductor chip repair by stacking of a base semiconductor chip and a repair semiconductor chip

#161
20090300447
2009-12-03

Parallel scan paths with header data circuitry and header return circuitry

#162
20090267203
2009-10-29

MULTI-CHIP PACKAGE FOR REDUCING TEST TIME

#163
20090224784
2009-09-10

Testing integrated circuits using few test probes

#164
20090212799
2009-08-27

Methods and apparatus that selectively use or bypass a remote pin electronics block to test at least one device under test

#165
20090192754
2009-07-30

Systems and methods for test time outlier detection and correction in integrated circuit testing

#166
20090183040
2009-07-16

DDR register circuitry input to IC test controller circuitry

#167
20090167094
2009-07-02

Voltage adjusting circuits and voltage adjusting methods

#168
20090134892
2009-05-28

Semiconductor integrated circuit

#169
20090132881
2009-05-21

Scan output connection in tap and scan test port

#170
20090132879
2009-05-21

MULTIPLEXING OF SCAN INPUTS AND SCAN OUTPUTS ON TEST PINS FOR TESTING OF AN INTEGRATED CIRCUIT

#171
20090125768
2009-05-14

Local and global address compare with tap interface TDI/TDO lead

#172
20090122850
2009-05-14

Test circuit capable of masking data at read operation and method for controlling the same

#173
20090106611
2009-04-23

Microelectronic device and pin arrangement method thereof

#174
20090090908
2009-04-09

Providing A Duplicate Test Signal Of An Output Signal Under Test In An Integrated Circuit

#175
20080288843
2008-11-20

Optimized JTAG interface

#176
20080270858
2008-10-30

Device and method for configuring input/output pads

#177
20080234967
2008-09-25

Test Sequence Optimization Method and Design Tool

#178
20080215914
2008-09-04

Self-reparable semiconductor and method thereof

#179
20080170506
2008-07-17

Apparatus and method for flexible visibility in integrated circuits with minimal package impact

#180
20080141089
2008-06-12

Semiconductor integrated circuit and system LSI having a test expected value programming circuit

#181
20080141087
2008-06-12

CORE CIRCUIT TEST ARCHITECTURE

#182
20080065942
2008-03-13

Synthetic instrument utilizing peer-to-peer communication for error correction

#183
20080061811
2008-03-13

Electronic device having an interface supported testing mode

#184
20080034262
2008-02-07

DDR input interface to IC test controller circuitry

#185
20070288815
2007-12-13

TAP, ST, lockout, and IR SO enable output data control

#186
20070234154
2007-10-04

Scan testing using scan frames with embedded commands

#187
20070226591
2007-09-27

Integrated device for simplified parallel testing, test board for testing a plurality of integrated devices, and test system and tester unit

#188
20070216438
2007-09-20

Ultra low pin count interface for die testing

#189
20070188351
2007-08-16

Hardware enablement using an interface

#190
20070174700
2007-07-26

Connector ports for anti-tamper

#191
20070143653
2007-06-21

Reduced pin count scan chain implementation

#192
20070139096
2007-06-21

Fuse circuit with leakage path elimination

#193
20070132477
2007-06-14

Methods for slow test time detection of an integrated circuit during parallel testing

#194
20070103189
2007-05-10

Semiconductor device, test system and method of testing on die termination circuit

#195
20070090848
2007-04-26

Design-for-test circuit for low pin count devices

#196
20070038908
2007-02-15

Design data structure for semiconductor integrated circuit and apparatus and method for designing the same

#197
20070033465
2007-02-08

Apparatus and method for a single wire interface between a intergated circuit and JTAG test and emulation apparatus

#198
20070016835
2007-01-18

Method and apparatus for parameter adjustment, testing, and configuration

#199
20070007985
2007-01-11

Semiconductor integrated circuit device

#200
20070007981
2007-01-11

Optimize parallel testing

#201
20060279308
2006-12-14

Electronic device having an interface supported testing mode

#202
20060236174
2006-10-19

Controller receiving combined TMS/TDI and suppyling separate TMS and TDI

#203
20060184847
2006-08-17

Semiconductor device tested using minimum pins and methods of testing the same

#204
20060181300
2006-08-17

Method for testing a circuit unit and test apparatus

#205
20060170433
2006-08-03

Semiconductor test circuit

#206
20060164121
2006-07-27

Structured integrated circuit device

#207
20060156139
2006-07-13

Systems and methods for facilitating testing of integrated circuits

#208
20060156112
2006-07-13

Addressable tap domain selection circuit with TDI/TDO external terminal

#209
20060152268
2006-07-13

Latch circuit including a data retention latch

#210
20060152241
2006-07-13

Shared bond pad for testing a memory within a packaged semiconductor device

#211
20060151866
2006-07-13

Multi-chip package for reducing test time

#212
20060119371
2006-06-08

Semiconductor device and evaluation circuit for the same

#213
20060106563
2006-05-18

Method and system of generic implementation of sharing test pins with I/O cells

#214
20060100812
2006-05-11

Low cost test for IC's or electrical modules using standard reconfigurable logic devices

#215
20060078076
2006-04-13

System and method of digital system performance enhancement

#216
20060064613
2006-03-23

IC with TAP, STP and lock out controlled output buffer

#217
20060036985
2006-02-16

Compacting circuit responses

#218
20060028241
2006-02-09

Structured integrated circuit device

#219
20060022705
2006-02-02

Structured integrated circuit device

#220
20050281201
2005-12-22

Trace information queueing system

#221
20050258818
2005-11-24

Reduced pin count test method and apparatus

#222
20050251720
2005-11-10

Single-ended transmission for direct access test mode within a differential input and output circuit

#223
20050240845
2005-10-27

Reducing Number of Pins Required to Test Integrated Circuits

#224
20050229055
2005-10-13

Interface circuit for a single logic input pin of an electronic system

#225
20050219079
2005-10-06

Use of a third state applied to a digital input terminal of a circuit to initiate non-standard operational modes of the circuit

#226
20050204226
2005-09-15

IC with parallel scan paths and compare circuitry

#227
20050065747
2005-03-24

Mixed-signal core design for concurrent testing of mixed-signal, analog, and digital components

#228
20050015660
2005-01-20

Self-reparable semiconductor and method thereof

#229
20050007154
2005-01-13

System and method for evaluating the speed of a circuit

#230
20050005210
2005-01-06

Semiconductor integrated circuit having a number of data output pins capable of selectively providing output signals and test method thereof

#231
17500453
2024-03-12

System and method for schedule-based I/O multiplexing for integrated circuit (IC) scan test

#232
17199874
2023-05-02

Scalable scan architecture for multi-circuit block arrays

#233
16119458
2019-08-06

Removal of over-masking in an on product multiple input signature register (OPMISR) test

#234
16050680
2019-08-13

Minimization of over-masking in an on product multiple input signature register (OPMISR)

#235
15498240
2018-07-17

Implementing decreased scan data interdependence for compressed patterns in on product multiple input signature register (OPMISR) through spreading in stumpmux daisy-chain structure

#236
15429008
2018-10-16

Sharing a JTAG interface among multiple partitions

#237
15143676
2017-05-02

Flip-flop with delineated layout for reduced footprint

#238
14133552
2016-11-22

Configuration of semiconductor device supply voltage