ClassID:

199879

G11C2211/4062 - CPC Classification

Classification description:

Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor; Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells; Refreshing of dynamic cells Parity or ECC in refresh operations

Recent Application in this class:
#1
20260105951
2026-04-16

MEMORY DEVICE WITH DATA RETENTION CHARACTERISTICS AND OPERATING METHOD THEREOF

#2
20260094655
2026-04-02

MAINTENANCE-BASED CONDITIONS FOR BLOCK RETIREMENT

#3
20260045290
2026-02-12

APPARATUS WITH REFRESH MANAGEMENT MECHANISM

#4
20250130897
2025-04-24

SEMICONDUCTOR MEMORY DEVICE-DIRECTED ERROR CHECK AND SCRUB

#5
20240311239
2024-09-19

DEFERRED ERROR CODE CORRECTION WITH IMPROVED EFFECTIVE DATA BANDWIDTH PERFORMANCE

#6
20240194239
2024-06-13

APPARATUS WITH REFRESH MANAGEMENT MECHANISM

#7
20240185904
2024-06-06

MEMORY DEVICE AND OPERATING METHOD THEREOF

#8
20240111673
2024-04-04

Memory device interface and method

#9
20240070069
2024-02-29

Memory device interface and method

#10
20240029778
2024-01-25

Bank selection for refreshing

#11
20230206994
2023-06-29

MEMORY BANK AND MEMORY

#12
20230197137
2023-06-22

Trim level adjustments for memory based on data use

#13
20230178170
2023-06-08

Semiconductor memory device

#14
20220375509
2022-11-24

Apparatus with refresh management mechanism

#15
20220351770
2022-11-03

METHODS AND APPARATUS FOR DYNAMICALLY ADJUSTING PERFORMANCE OF PARTITIONED MEMORY

#16
20220342814
2022-10-27

Memory device interface and method

#17
20220300371
2022-09-22

Semiconductor devices

#18
20220269432
2022-08-25

Apparatus with combinational access mechanism and methods for operating the same

#19
20220148645
2022-05-12

Apparatus with refresh management mechanism

#20
20220083254
2022-03-17

Apparatus with combinational access mechanism and methods for operating the same

#21
20210318956
2021-10-14

MEMORY DEVICE INTERFACE AND METHOD

#22
20210304807
2021-09-30

Error correction methods and semiconductor devices and semiconductor systems using the same

#23
20210294693
2021-09-23

Semiconductor devices

#24
20210193217
2021-06-24

Semiconductor devices

#25
20210191812
2021-06-24

Deferred error code correction with improved effective data bandwidth performance

#26
20210142848
2021-05-13

Semiconductor devices

#27
20210141689
2021-05-13

Memory device and multi physical cells error correction method thereof

#28
20210098047
2021-04-01

Methods and apparatus for dynamically adjusting performance of partitioned memory

#29
20200341841
2020-10-29

Error correction code scrub scheme

#30
20200293396
2020-09-17

Deferred error code correction with improved effective data bandwidth performance

#31
20200272564
2020-08-27

MEMORY DEVICE INTERFACE AND METHOD

#32
20200272560
2020-08-27

Memory device interface and method

#33
20190318777
2019-10-17

Semiconductor device and memory module including the semiconductor device for controlling a refresh cycle differently based on error correction code

#34
20190303244
2019-10-03

Apparatus including refresh controller controlling refresh operation responsive to data error

#35
20190221248
2019-07-18

Memory device detecting and correcting data error and operating method thereof

#36
20190179702
2019-06-13

Electronic devices

#37
20190179700
2019-06-13

Error correction code scrub scheme

#38
20190164595
2019-05-30

Memory system for removing memory cell fault and method thereof

#39
20190147936
2019-05-16

Memory device and operating method thereof

#40
20190130960
2019-05-02

Memory systems and methods of controlling refresh operations of memory systems

#41
20190087127
2019-03-21

Memory system and operating method thereof

#42
20190006001
2019-01-03

Systems and methods for improved error correction in a refreshable memory

#43
20180366177
2018-12-20

Refresh in memory based on monitor array threshold drift

#44
20180342284
2018-11-29

Semiconductor device and method for controlling a refresh operation and a memory system including the same

#45
20180336959
2018-11-22

Method of ECC encoding a DRAM and a DRAM

#46
20180330774
2018-11-15

Refresh in memory based on a set margin

#47
20180322940
2018-11-08

MEMORY SYSTEM AND OPERATION METHOD OF THE SAME

#48
20180314591
2018-11-01

Controller-based memory scrub for DRAMs with internal error-correcting code (ECC) bits contemporaneously during auto refresh or by using masked write commands

#49
20180166123
2018-06-14

Semiconductor device and refresh rate control method of semiconductor device based on measured temperature

#50
20170256302
2017-09-07

Dynamic Random Access Memory For Communications Systems

#51
20170242749
2017-08-24

Semiconductor device and driving method thereof

#52
20170192845
2017-07-06

Semiconductor system with a column control circuit

#53
20170161144
2017-06-08

Method for memory scrub of DRAM with internal error correcting code (ECC) bits during either memory activate and/or precharge operation

#54
20170161143
2017-06-08

Controller-based memory scrub for DRAMs with internal error-correcting code (ECC) bits contemporaneously during auto refresh or by using masked write commands

#55
20170161142
2017-06-08

Method for scrubbing and correcting DRAM memory data with internal error-correcting code (ECC) bits contemporaneously during self-refresh state

#56
20170132072
2017-05-11

Semiconductor device

#57
20170069398
2017-03-09

Memory device

#58
20170052840
2017-02-23

Memory device and operating method thereof

#59
20160034348
2016-02-04

Semiconductor memory device having selective ECC function

#60
20160027493
2016-01-28

Dynamic random access memory with configurable refresh rate for communications systems

#61
20160026533
2016-01-28

Apparatus including refresh controller controlling refresh operation responsive to data error

#62
20150039967
2015-02-05

Memory device having adjustable refresh period and method of operating the same

#63
20140359391
2014-12-04

Memory system and method using partial ECC to achieve low power refresh and fast access to data

#64
20140211579
2014-07-31

Apparatus, method and system to determine memory access command timing based on error detection

#65
20140198597
2014-07-17

Dynamic random access memory for communications systems

#66
20140189229
2014-07-03

Refresh rate performance based on in-system weak bit detection

#67
20140181613
2014-06-26

Memory controller method and system compensating for memory cell data losses

#68
20140164692
2014-06-12

Managing errors in a DRAM by weak cell encoding

#69
20140068319
2014-03-06

Error Detection And Correction In A Memory System

#70
20140063983
2014-03-06

Error Detection And Correction In A Memory System

#71
20140047305
2014-02-13

Memory system and method using ECC with flag bit to identify modified data

#72
20130139029
2013-05-30

Memory system and method using partial ECC to achieve low power refresh and fast access to data

#73
20130111296
2013-05-02

Memory device having reconfigurable refresh timing

#74
20130003467
2013-01-03

Digit line comparison circuits

#75
20120151299
2012-06-14

Embedded DRAM having low power self-correction capability

#76
20120099389
2012-04-26

Memory circuits, systems, and modules for performing DRAM refresh operations and methods of operating the same

#77
20110255360
2011-10-20

Semiconductor memory device with hidden refresh and method for controlling the same

#78
20110138252
2011-06-09

Memory system and method using ECC with flag bit to identify modified data

#79
20110138251
2011-06-09

Memory system and method using partial ECC to achieve low power refresh and fast access to data

#80
20110134708
2011-06-09

Digit line comparison circuits

#81
20110126073
2011-05-26

Error Correction in an Electronic Circuit

#82
20110060961
2011-03-10

Memory controller method and system compensating for memory cell data losses

#83
20110004805
2011-01-06

Semiconductor memory device capable of reducing current in PASR mode

#84
20100157693
2010-06-24

SEMICONDUCTOR MEMORY DEVICE

#85
20100054070
2010-03-04

Method and system for controlling refresh to avoid memory cell data losses

#86
20090249169
2009-10-01

Systems, methods, and apparatuses to save memory self-refresh power

#87
20090204752
2009-08-13

Memory device and refresh adjusting method

#88
20090193301
2009-07-30

Semiconductor memory device and refresh period controlling method

#89
20090024884
2009-01-22

Memory controller method and system compensating for memory cell data losses

#90
20090019341
2009-01-15

Dynamic memory architecture employing passive expiration of data

#91
20080313494
2008-12-18

Memory refresh system and method

#92
20080304327
2008-12-11

Methods and apparatuses for refreshing non-volatile memory

#93
20080294934
2008-11-27

Semiconductor memory device having an error correction function and associated method

#94
20080151671
2008-06-26

Method and system for controlling refresh to avoid memory cell data losses

#95
20080133985
2008-06-05

Semiconductor device and testing method for same

#96
20080126893
2008-05-29

METHOD OF REFRESHING A DYNAMIC RANDOM ACCESS MEMORY AND CORRESPONDING DYNAMIC RANDOM ACCESS MEMORY DEVICE, IN PARTICULAR INCORPORATED INTO A CELLULAR MOBILE TELEPHONE

#97
20080109705
2008-05-08

Memory system and method using ECC with flag bit to identify modified data

#98
20080092016
2008-04-17

Memory system and method using partial ECC to achieve low power refresh and fast access to data

#99
20080002503
2008-01-03

Method and system for controlling refresh to avoid memory cell data losses

#100
20070230265
2007-10-04

Semiconductor storage device and refresh control method therefor

#101
20070229525
2007-10-04

Parity-scanning and refresh in dynamic memory devices

#102
20070133331
2007-06-14

DEVICE AND METHOD FOR REDUCING REFRESH CURRENT CONSUMPTION

#103
20070097772
2007-05-03

Semiconductor storage device and refresh control method therefor

#104
20070079218
2007-04-05

Semiconductor memory device having data holding mode using ECC function

#105
20070067699
2007-03-22

Semiconductor integrated circuit device

#106
20060294296
2006-12-28

Parity-scanning and refresh in dynamic memory devices

#107
20060285412
2006-12-21

Memory having parity error correction

#108
20060285410
2006-12-21

Memory having parity error correction

#109
20060200729
2006-09-07

Data storing method of dynamic RAM and semiconductor memory device

#110
20060158950
2006-07-20

Method and system for controlling refresh to avoid memory cell data losses

#111
20060158949
2006-07-20

Method and system for controlling refresh to avoid memory cell data losses

#112
20060156196
2006-07-13

Semiconductor storage device and pseudo SRAM

#113
20060152989
2006-07-13

Method and system for controlling refresh to avoid memory cell data losses

#114
20060107090
2006-05-18

Dynamic memory architecture employing passive expiration of data

#115
20060069856
2006-03-30

Memory controller method and system compensating for memory cell data losses

#116
20060056260
2006-03-16

Memory controller method and system compensating for memory cell data losses

#117
20060056259
2006-03-16

Memory controller method and system compensating for memory cell data losses

#118
20060056258
2006-03-16

Semiconductor memory and method for operating the same

#119
20060044913
2006-03-02

Memory system and method using ECC to achieve low power refresh

#120
20060013052
2006-01-19

Method and system for controlling refresh to avoid memory cell data losses

#121
20060002221
2006-01-05

Refresh counter circuit and control method for refresh operation

#122
20050286331
2005-12-29

Semiconductor memory device

#123
20050286330
2005-12-29

Semiconductor memory device

#124
20050281112
2005-12-22

Semiconductor memory device and refresh period controlling method

#125
20050249010
2005-11-10

Memory controller method and system compensating for memory cell data losses

#126
20050229076
2005-10-13

Semiconductor device and testing method for same

#127
20050169083
2005-08-04

Semiconductor storage device and refresh control method therefor

#128
20050080988
2005-04-14

Parity-scanning and refresh in dynamic memory devices

#129
20050005230
2005-01-06

Semiconductor integrated circuit device and error checking and correcting method thereof

#130
16505472
2020-12-15

Methods and apparatus for dynamically adjusting performance of partitioned memory

#131
14746544
2020-03-24

Dynamic adjustment of refresh rate