CN100517516C - 浮动字线检测方法、存储设备及其测试方法和系统、存储器阵列 - Google Patents
浮动字线检测方法、存储设备及其测试方法和系统、存储器阵列 Download PDFInfo
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- CN100517516C CN100517516C CNB2006100710985A CN200610071098A CN100517516C CN 100517516 C CN100517516 C CN 100517516C CN B2006100710985 A CNB2006100710985 A CN B2006100710985A CN 200610071098 A CN200610071098 A CN 200610071098A CN 100517516 C CN100517516 C CN 100517516C
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- word line
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims description 55
- 238000003860 storage Methods 0.000 claims description 44
- 230000002950 deficient Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005055 memory storage Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000003491 array Methods 0.000 abstract description 3
- 238000010998 test method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 108010032595 Antibody Binding Sites Proteins 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/025—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in signal lines
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
- G11C29/028—Detection or location of defective auxiliary circuits, e.g. defective refresh counters with adaption or trimming of parameters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/12005—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details comprising voltage or current generators
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/44—Indication or identification of errors, e.g. for repair
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/83—Masking faults in memories by using spares or by reconfiguring using programmable devices with reduced power consumption
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/83—Masking faults in memories by using spares or by reconfiguring using programmable devices with reduced power consumption
- G11C29/832—Masking faults in memories by using spares or by reconfiguring using programmable devices with reduced power consumption with disconnection of faulty elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C2029/1202—Word line control
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/098,998 US7170804B2 (en) | 2005-04-05 | 2005-04-05 | Test mode for detecting a floating word line |
US11/098998 | 2005-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1848301A CN1848301A (zh) | 2006-10-18 |
CN100517516C true CN100517516C (zh) | 2009-07-22 |
Family
ID=37026506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100710985A Expired - Fee Related CN100517516C (zh) | 2005-04-05 | 2006-04-05 | 浮动字线检测方法、存储设备及其测试方法和系统、存储器阵列 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7170804B2 (zh) |
KR (1) | KR100738733B1 (zh) |
CN (1) | CN100517516C (zh) |
DE (1) | DE102006015376A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100890387B1 (ko) | 2007-08-30 | 2009-03-26 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
US8054696B1 (en) * | 2008-03-20 | 2011-11-08 | Netlogic Microsystems, Inc. | System and method to improve reliability in memory word line |
US8842476B2 (en) | 2011-11-09 | 2014-09-23 | Sandisk Technologies Inc. | Erratic program detection for non-volatile storage |
US8630118B2 (en) | 2011-11-09 | 2014-01-14 | Sandisk Technologies Inc. | Defective word line detection |
EP2876016B1 (en) * | 2013-11-20 | 2020-09-02 | Nxp B.V. | Function monitor |
JP2015170379A (ja) * | 2014-03-10 | 2015-09-28 | マイクロン テクノロジー, インク. | 半導体装置 |
US10474384B2 (en) * | 2017-02-10 | 2019-11-12 | Dell Products, Lp | System and method for providing a back door communication path between channels on dual-channel DIMMs |
US11521697B2 (en) | 2019-01-30 | 2022-12-06 | STMicroelectronics International, N.V. | Circuit and method for at speed detection of a word line fault condition in a memory circuit |
US11393532B2 (en) | 2019-04-24 | 2022-07-19 | Stmicroelectronics International N.V. | Circuit and method for at speed detection of a word line fault condition in a memory circuit |
US10854274B1 (en) * | 2019-09-26 | 2020-12-01 | Micron Technology, Inc. | Apparatuses and methods for dynamic timing of row pull down operations |
US11657863B2 (en) * | 2021-06-17 | 2023-05-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Memory array test structure and method of forming the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3199862B2 (ja) * | 1992-08-12 | 2001-08-20 | 日本テキサス・インスツルメンツ株式会社 | 半導体記憶装置 |
US5777924A (en) * | 1997-06-05 | 1998-07-07 | Aplus Integrated Circuits, Inc. | Flash memory array and decoding architecture |
US6426914B1 (en) * | 2001-04-20 | 2002-07-30 | International Business Machines Corporation | Floating wordline using a dynamic row decoder and bitline VDD precharge |
-
2005
- 2005-04-05 US US11/098,998 patent/US7170804B2/en not_active Expired - Fee Related
-
2006
- 2006-04-03 DE DE102006015376A patent/DE102006015376A1/de not_active Withdrawn
- 2006-04-05 KR KR1020060030925A patent/KR100738733B1/ko not_active IP Right Cessation
- 2006-04-05 CN CNB2006100710985A patent/CN100517516C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7170804B2 (en) | 2007-01-30 |
US20060221690A1 (en) | 2006-10-05 |
DE102006015376A1 (de) | 2006-10-12 |
CN1848301A (zh) | 2006-10-18 |
KR20060107337A (ko) | 2006-10-13 |
KR100738733B1 (ko) | 2007-07-12 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20120917 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20151225 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
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