ClassID:

199773

G11C2029/3202 - CPC Classification

Classification description:

Checking stores for correct operation ; Subsequent repair ; Testing stores during standby or offline operation; Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals; Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing; Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details; Address generation devices; Devices for accessing memories, e.g. details of addressing circuits; Accessing single arrays Scan chain

Recent Application in this class:
#1
20260134908
2026-05-14

Scannable SRAM

#2
20250308613
2025-10-02

SCAN REGISTER CIRCUIT GENERATING POSITION INDEX SIGNAL THROUGH FAIL-BIT SCAN OPERATION AND MEMORY DEVICE INCLUDING THE SAME

#3
20250299760
2025-09-25

Scannable Memory Subsystem

#4
20250246256
2025-07-31

Memory apparatus having a memory output masking mechanism

#5
20250210123
2025-06-26

MEMORY DEVICE WITH IMPROVED SENSING STRUCTURE

#6
20250014665
2025-01-09

TRIPLE VIA CHAIN FOR ADVANCED INTERCONNECT IN A MEMORY DEVICE

#7
20240420796
2024-12-19

DISTRIBUTED MRAM CONFIGURATION BIT AND METHOD OF REPAIR

#8
20240412798
2024-12-12

Method for Scanning a Memory Array

#9
20240412797
2024-12-12

Fully Scannable Memory Arrays

#10
20240363187
2024-10-31

AREA SAVING HIGH COVERAGE FAST DIAGNOSIS MEMORY SCAN DESIGN

#11
20240321376
2024-09-26

Sense Amplifier Scan Capture Circuit with Reduced Sense Amplifier Offset

#12
20240295604
2024-09-05

INTEGRATED CIRCUIT COMPRISING A TEST CIRCUIT, RELATED METHOD AND COMPUTER-PROGRAM PRODUCT

#13
20240249791
2024-07-25

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

#14
20240249790
2024-07-25

Register Bank Architecture with Latches

#15
20240170087
2024-05-23

Programmable logic device with design for test functionality

#16
20240142520
2024-05-02

Integrated circuit having test circuitry for memory sub-systems

#17
20230410930
2023-12-21

Memory device with serial and parallel testing structure for sensing amplifiers

#18
20230317192
2023-10-05

Programmable logic device with design for test functionality

#19
20230031828
2023-02-02

Memory device, memory test circuit and memory test method thereof having repair information maintaining mechanism

#20
20230005562
2023-01-05

Scan chain compression for testing memory of a system on a chip

#21
20230005561
2023-01-05

Memory device architecture coupled to a system-on-chip

#22
20230005560
2023-01-05

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

#23
20220382485
2022-12-01

JTAG registers with concurrent inputs

#24
20220293203
2022-09-15

Memory device with analog measurement mode features

#25
20220139478
2022-05-05

Method and circuit for scan dump of latch array

#26
20220139477
2022-05-05

Method and circuit for row scannable latch array

#27
20220130483
2022-04-28

Test access port architecture to facilitate multiple testing modes

#28
20220130481
2022-04-28

Circuit and associated chip

#29
20220091919
2022-03-24

Delay fault testing of pseudo static controls

#30
20210335439
2021-10-28

Memory device architecture coupled to a System-on-Chip

#31
20210335438
2021-10-28

Direct memory access using JTAG cell addressing

#32
20210335435
2021-10-28

JTAG BASED ARCHITECTURE ALLOWING MULTI-CORE OPERATION

#33
20210333323
2021-10-28

JTAG registers with concurrent inputs

#34
20210327526
2021-10-21

Memory device with analog measurement mode features

#35
20210295939
2021-09-23

Digital circuit testing and analysis module, system and method thereof

#36
20210287757
2021-09-16

Memory device with improved sensing structure

#37
20210104290
2021-04-08

Test access port architecture to facilitate multiple testing modes

#38
20210102997
2021-04-08

Non-volatile computer data storage production-level programming

#39
20210035652
2021-02-04

System including hierarchical memory modules having different types of integrated circuit memory devices

#40
20200258590
2020-08-13

Test access port architecture to facilitate multiple testing modes

#41
20200142768
2020-05-07

Delay fault testing of pseudo static controls

#42
20200132767
2020-04-30

Scan chain techniques and method of using scan chain structure

#43
20200105360
2020-04-02

Scannable-latch random access memory

#44
20200005883
2020-01-02

Simultaneous scan chain initialization with disparate latches

#45
20190198133
2019-06-27

Memory circuit and testing method thereof

#46
20190156907
2019-05-23

Simultaneous scan chain initialization with disparate latches

#47
20190080781
2019-03-14

Multi-port register file device and method of operation in normal mode and test mode

#48
20190018731
2019-01-17

Integrated circuit fault detection

#49
20190004114
2019-01-03

Register array having groups of latches with single test latch testable in single pass

#50
20180307553
2018-10-25

Delay fault testing of pseudo static controls

#51
20180277237
2018-09-27

Semiconductor device and diagnostic method therefor

#52
20180238965
2018-08-23

Semiconductor integrated circuit

#53
20180218778
2018-08-02

Embedded memory testing with storage borrowing

#54
20180181193
2018-06-28

Sense amplifier flip-flop with embedded scan logic and level shifting functionality

#55
20180156866
2018-06-07

Scan cell for dual port memory applications

#56
20180080973
2018-03-22

Gate driving circuit and method for detecting same, array substrate and display apparatus

#57
20180024189
2018-01-25

Implementing register array (RA) repair using LBIST

#58
20170365354
2017-12-21

System including hierarchical memory modules having different types of integrated circuit memory devices

#59
20170316834
2017-11-02

High accuracy leakage detection through low voltage biasing

#60
20170140838
2017-05-18

Scan compression architecture for highly compressed designs and associated methods

#61
20170025187
2017-01-26

System including hierarchical memory modules having different types of integrated circuit memory devices

#62
20160131705
2016-05-12

Circuit for testing integrated circuits

#63
20160125957
2016-05-05

Scan chain for memory sequential test

#64
20160124043
2016-05-05

Circuit techniques for efficient scan hold path design

#65
20160078965
2016-03-17

Scannable memories with robust clocking methodology to prevent inadvertent reads or writes

#66
20150323593
2015-11-12

Scan compression architecture for highly compressed designs and associated methods

#67
20150162097
2015-06-11

Method for performing built-in self-tests

#68
20150106672
2015-04-16

Circuit for testing integrated circuits

#69
20150058686
2015-02-26

Reconfigurable memory interface circuit to support a built-in memory scan chain

#70
20140289550
2014-09-25

Integrated clock architecture for improved testing

#71
20140082445
2014-03-20

Probeless testing of pad buffers on wafer

#72
20140028362
2014-01-30

Input circuit

#73
20120317451
2012-12-13

Pad switch cells selectively coupling test leads to test pads

#74
20120198297
2012-08-02

Non-volatile semiconductor memory device

#75
20120133423
2012-05-31

Semiconductor apparatus and semiconductor system for outputting internal information according to various mode and method for outputting internal information thereof

#76
20120133387
2012-05-31

Reconfigurable connections for stacked semiconductor devices

#77
20120117434
2012-05-10

Scan path switch testing of output buffer with ESD

#78
20120017130
2012-01-19

Circuit for testing integrated circuits

#79
20110185110
2011-07-28

METHOD AND DEVICE FOR PROTECTING INFORMATION CONTAINED IN AN INTEGRATED CIRCUIT

#80
20110161761
2011-06-30

Input buffer, test switches and switch control with serial I/O

#81
20110145774
2011-06-16

Testing embedded memories in an integrated circuit

#82
20110080208
2011-04-07

Low power design using a scan bypass multiplexer as an isolation cell

#83
20110075494
2011-03-31

Data transfer circuit

#84
20110072323
2011-03-24

Supporting scan functions within memories

#85
20110060952
2011-03-10

Semiconductor integrated circuit

#86
20110018574
2011-01-27

Reconfigurable connections for stacked semiconductor devices

#87
20100332928
2010-12-30

Scalable scan system for system-on-chip design

#88
20100332924
2010-12-30

At-speed scan testing of memory arrays

#89
20100332177
2010-12-30

TEST ACCESS CONTROL APPARATUS AND METHOD THEREOF

#90
20100299567
2010-11-25

On-chip logic to support compressed X-masking for BIST

#91
20100281316
2010-11-04

SEMICONDUCTOR INTEGRATED CIRCUIT, INFORMATION PROCESSING APPARATUS, OUTPUT DATA DIFFUSION METHOD, AND PROGRAM

#92
20100257417
2010-10-07

Compressing test responses using a compactor

#93
20100223512
2010-09-02

System, apparatus, and method for memory built-in self testing using microcode sequencers

#94
20100218054
2010-08-26

Secure scan design

#95
20100205490
2010-08-12

Input/output compression and pin reduction in an integrated circuit

#96
20100195396
2010-08-05

SEMICONDUCTOR MEMORY DEVICE AND SELF-TEST METHOD OF THE SAME

#97
20100169856
2010-07-01

Transparent test method and scan flip-flop

#98
20100142272
2010-06-10

Method and apparatus for testing the connectivity of a flash memory chip

#99
20100122128
2010-05-13

Test interface for memory elements

#100
20100115337
2010-05-06

Verification of array built-in self-test (ABIST) design-for-test/design-for-diagnostics (DFT/DFD)

#101
20100115191
2010-05-06

System including hierarchical memory modules having different types of integrated circuit memory devices

#102
20100083062
2010-04-01

High performance pulsed storage circuit

#103
20100065846
2010-03-18

System in package with built-in test-facilitating circuit

#104
20100037109
2010-02-11

METHOD FOR AT-SPEED TESTING OF MEMORY INTERFACE USING SCAN

#105
20100023719
2010-01-28

Method and circuit for protection of sensitive data in scan mode

#106
20090313511
2009-12-17

Semiconductor device testing

#107
20090307411
2009-12-10

Method and apparatus for securing digital information on an integrated circuit during test operating modes

#108
20090300441
2009-12-03

Address controlling in the MBIST chain architecture

#109
20090300440
2009-12-03

Data controlling in the MBIST chain architecture

#110
20090271672
2009-10-29

Scan circuitry controlled switch connecting buffer output to test lead

#111
20090254788
2009-10-08

Techniques for logic built-in self-test diagnostics of integrated circuit devices

#112
20090249147
2009-10-01

Fault diagnosis of compressed test responses

#113
20090210759
2009-08-20

Scalable scan-based test architecture with reduced test time and test power

#114
20090177934
2009-07-09

Apparatus for testing embedded memory read paths

#115
20090172486
2009-07-02

Testing embedded memories in an integrated circuit

#116
20090172282
2009-07-02

Digital circuits and methods for testing a digital circuit

#117
20090150731
2009-06-11

Test circuit capable of sequentially performing boundary scan test and test method thereof

#118
20090116323
2009-05-07

Scanned memory testing of multi-port memory arrays

#119
20090096478
2009-04-16

Reconfigurable connections for stacked semiconductor devices

#120
20090089632
2009-04-02

Memory sense scan circuit and test interface

#121
20090055698
2009-02-26

System, apparatus, and method for memory built-in self testing using microcode sequencers

#122
20090022000
2009-01-22

Semiconductor storage device and test method therefor

#123
20090010077
2009-01-08

Shift register latch with embedded dynamic random access memory scan only cell

#124
20080307278
2008-12-11

Apparatus for efficiently loading scan and non-scan memory elements

#125
20080288840
2008-11-20

Probeless testing of pad buffers on wafer

#126
20080288838
2008-11-20

Nonvolatile semiconductor memory system

#127
20080256405
2008-10-16

COMPILABLE MEMORY STRUCTURE AND TEST METHODOLOGY FOR BOTH ASIC AND FOUNDRY TEST ENVIRONMENTS

#128
20080250285
2008-10-09

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

#129
20080250280
2008-10-09

Sharing routing of a test signal with an alternative power supply to combinatorial logic for low power design

#130
20080222469
2008-09-11

Method and dual interlocked storage cell latch for implementing enhanced testability

#131
20080222464
2008-09-11

Structure for system for and method of performing high speed memory diagnostics via built-in-self-test

#132
20080209289
2008-08-28

Partial good integrated circuit and method of testing same

#133
20080209284
2008-08-28

Input/output compression and pin reduction in an integrated circuit

#134
20080163019
2008-07-03

Scanning Latches Using Selecting Array

#135
20080158978
2008-07-03

MEMORY READ CIRCUIT AND MEMORY APPARATUS USING THE SAME

#136
20080144400
2008-06-19

Scanning Latches Using Selecting Array

#137
20080133987
2008-06-05

Compressing test responses using a compactor

#138
20080104466
2008-05-01

Method and apparatus for testing embedded cores

#139
20080091995
2008-04-17

Progressive random access scan circuitry

#140
20080082885
2008-04-03

Test circuit for testing command signal at package level in semiconductor device

#141
20080082883
2008-04-03

System and method for performing high speed memory diagnostics via built-in-self-test

#142
20080082874
2008-04-03

FBM generation device and FBM generation method

#143
20080059854
2008-03-06

Merged MISR and output register without performance impact for circuits under test

#144
20080036505
2008-02-14

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

#145
20080031077
2008-02-07

Daisy chainable memory chip

#146
20080031076
2008-02-07

Daisy chainable memory chip

#147
20080016417
2008-01-17

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

#148
20080010571
2008-01-10

Partial good integrated circuit and method of testing same

#149
20070300131
2007-12-27

Register file cell with soft error detection and circuits and methods using the cell

#150
20070266278
2007-11-15

Method for at-speed testing of memory interface using scan

#151
20070250744
2007-10-25

Method and apparatus for testing the connectivity of a flash memory chip

#152
20070237009
2007-10-11

Methods and apparatus for improved memory access

#153
20070234155
2007-10-04

Input/output buffer test circuitry and leads additional to boundary scan

#154
20070234153
2007-10-04

Semiconductor integrated circuit apparatus and control method thereof

#155
20070230255
2007-10-04

Semiconductor memory device operating using read only memory data

#156
20070208966
2007-09-06

Test circuit for semiconductor device

#157
20070198883
2007-08-23

Scan Read Block Wherein a Scan Latch Circuit and a Bit Cell Have Substantially Identical Circuit Structures

#158
20070198880
2007-08-23

Semiconductor integrated circuit and testing method thereof

#159
20070180340
2007-08-02

Semiconductor integrated circuit

#160
20070168806
2007-07-19

Scan path circuit and semiconductor integrated circuit comprising the scan path circuit

#161
20070168776
2007-07-19

Systems and methods for improved memory scan testability

#162
20070143647
2007-06-21

Pulsed flop with scan circuitry

#163
20070136564
2007-06-14

Method and apparatus to save and restore context using scan cells

#164
20070101217
2007-05-03

Serial data input/output method and apparatus

#165
20070086253
2007-04-19

Scanned memory testing of multi-port memory arrays

#166
20070079188
2007-04-05

Signal integrity self-test architecture

#167
20070033462
2007-02-08

Test circuit and test method

#168
20070033459
2007-02-08

Method for enabling scan of defective ram prior to repair

#169
20070011521
2007-01-11

Integrated scannable interface for testing memory

#170
20070001733
2007-01-04

Digital storage element architecture comprising integrated 2-to-1 multiplexer functionality

#171
20070001732
2007-01-04

Digital storage element with dual behavior

#172
20070001731
2007-01-04

Digital storage element architecture comprising integrated multiplexer and reset functionality

#173
20070001730
2007-01-04

Digital storage element architecture comprising integrated 4-to-1 multiplexer functionality

#174
20060250857
2006-11-09

Non-volatile memory cell integrated with a latch

#175
20060236178
2006-10-19

RAM testing apparatus and method

#176
20060233035
2006-10-19

Semiconductor memory device and testing method thereof

#177
20060195738
2006-08-31

Merged MISR and output register without performance impact for circuits under test

#178
20060184848
2006-08-17

Semiconductor integrated circuit having test function and manufacturing method

#179
20060181910
2006-08-17

Content addressable memory including a dual mode cycle boundary latch

#180
20060176745
2006-08-10

Compilable memory structure and test methodology for both ASIC and foundry test environments

#181
20060161824
2006-07-20

System and method of testing a plurality of memory blocks of an integrated circuit in parallel

#182
20060156091
2006-07-13

Methods and apparatus for testing a memory

#183
20060123295
2006-06-08

Register file and its storage device

#184
20060107142
2006-05-18

Semiconductor integrated circuit

#185
20060059396
2006-03-16

Semiconductor integrated circuit having bonding optional function

#186
20060041814
2006-02-23

Fault diagnosis of compressed test responses having one or more unknown states

#187
20060041813
2006-02-23

Adaptive fault diagnosis of compressed test responses

#188
20060041812
2006-02-23

Fault diagnosis of compressed test responses

#189
20060041801
2006-02-23

Acceleration of the programming of a memory module with the aid of a boundary scan (BSCAN) register

#190
20060023544
2006-02-02

Semiconductor device

#191
20060020863
2006-01-26

Scanning latches using selecting array

#192
20060015784
2006-01-19

System and method for write-enable bypass testing in an electronic circuit

#193
20060012392
2006-01-19

System and method for front-end bypass testing in an electronic circuit

#194
20060005103
2006-01-05

System and scanout circuits with error resilience circuit

#195
20060005091
2006-01-05

Error detecting circuit

#196
20050289417
2005-12-29

Scan enabled storage device

#197
20050275441
2005-12-15

Method and/or apparatus for generating a write gated clock signal

#198
20050273677
2005-12-08

Circuit and method for storing a signal using a latch shared between operational and diagnostic paths

#199
20050268185
2005-12-01

Method and apparatus for high speed testing of latch based random access memory

#200
20050254285
2005-11-17

Cache late select circuit

#201
20050253639
2005-11-17

Output driver with pulse to static converter

#202
20050222809
2005-10-06

Testing memory access signal connections

#203
20050204231
2005-09-15

Testing memories using algorithm selection

#204
20050185479
2005-08-25

Method and device for saving and setting a circuit state of a microelectronic circuit

#205
20050138481
2005-06-23

Microcomputer, a method for protecting memory and a method for performing debugging

#206
20050128823
2005-06-16

Methods and apparatus for improved memory access

#207
20050120284
2005-06-02

Memory testing

#208
20050096876
2005-05-05

Semiconductor test apparatus and method thereof and multiplexer and method thereof

#209
20050091561
2005-04-28

Scan test method, device, and system

#210
20050066243
2005-03-24

Mechanism to enhance observability of integrated circuit failures during burn-in tests

#211
20050047224
2005-03-03

Partial good integrated circuit and method of testing same

#212
20050041460
2005-02-24

Method and circuit for scan testing latch based random access memory

#213
20050033898
2005-02-10

Method of efficiently loading scan and non-scan memory elements

#214
20050030781
2005-02-10

Method and arrangement for testing output circuits of high speed semiconductor memory devices

#215
20050007143
2005-01-13

Fault tolerant semiconductor system

#216
17847421
2024-06-11

Systems and methods for scan chain stitching

#217
15362413
2019-03-05

Securing access to integrated circuit scan mode and data