JP2010108585A - 半導体記憶装置 - Google Patents
半導体記憶装置 Download PDFInfo
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- JP2010108585A JP2010108585A JP2009218321A JP2009218321A JP2010108585A JP 2010108585 A JP2010108585 A JP 2010108585A JP 2009218321 A JP2009218321 A JP 2009218321A JP 2009218321 A JP2009218321 A JP 2009218321A JP 2010108585 A JP2010108585 A JP 2010108585A
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- Prior art keywords
- memory cell
- data
- memory
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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
- G11C29/04—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
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3436—Arrangements for verifying correct programming or erasure
- G11C16/3454—Arrangements for verifying correct programming or for detecting overprogrammed cells
- G11C16/3459—Circuits or methods to verify correct programming of nonvolatile memory cells
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
-
- 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
- G11C29/4401—Indication or identification of errors, e.g. for repair for self 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
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C2029/0409—Online test
-
- 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
- G11C2029/0411—Online error correction
-
- 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
- G11C2029/4402—Internal storage of test result, quality data, chip identification, repair information
-
- 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
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/808—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout using a flexible replacement scheme
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Read Only Memory (AREA)
Abstract
【解決手段】半導体記憶装置におけるスペアメモリ内に、不良救済回数を記憶する冗長メモリセルアレイを設ける。外部より信号を受けると、当該冗長メモリセルアレイに信号が切り替わり、不良救済回数の判定が行われる。その後、当該判定結果を基に、さらに不良メモリセルの判定を行うか、あるいは、判定を終えてメインメモリセルにデータの書き込みを行うか、決定する。このように、不良救済回数を記憶する冗長メモリセルアレイを設けることで、不良救済状態を素早く把握することが可能となる。
【選択図】図1
Description
本実施の形態では、半導体記憶装置およびその不良救済技術の一例に関して説明する。
本実施の形態では、半導体記憶装置における、メモリセルへのデータの書き込み方法の一例について説明する。
本実施の形態では、無線通信可能な半導体装置の構成の一例について、図11を基に説明する。ここで、図11は、無線通信可能な半導体装置900の回路ブロック図である。図11に示すように、半導体装置900は、メモリ回路901、デジタル回路902、アナログ回路903およびアンテナ回路904、から構成される。
101 読み出しドライバ
102 冗長制御回路部
110 メインメモリセル
111 冗長機能メモリセル
112 冗長判定メモリセル
113 置換メモリセル
114 追記防止メモリセル
120 冗長制御用回路
121 冗長比較回路
122 冗長用ラッチ回路
S201〜S210 ステップ
S301〜S304 ステップ
401 メインメモリセル
402 冗長機能メモリセル
403 冗長判定メモリセル
404 アクセス禁止メモリセル
405 置換メモリセル
406 追記防止メモリセル
601 読み出し回路
602 メモリセル
603 ビット線
604 ワード線
610 比較用TFT
611 アドレスTFT
612 点
613 選択TFT
614 アシスト容量
615 素子
900 半導体装置
901 メモリ回路
902 デジタル回路
903 アナログ回路
904 アンテナ回路
910 リーダ/ライタ
Claims (4)
- 電気的に書き込みおよび読み出しが可能な複数のメモリセルを有する第1のメモリセルアレイと、複数の冗長メモリセルを含む第2のメモリセルアレイと、制御回路と、を備え、
前記第2のメモリセルアレイは、書き込み不良救済回数を記憶する冗長メモリセルを含む第1の領域と、不良メモリセルのアドレスを記憶する冗長メモリセルを含む第2の領域と、を有することを特徴とする半導体記憶装置。 - 請求項1において、
前記制御回路は、前記第1の領域にアクセスして前記不良救済回数を判定し、
前記判定の結果によって、前記制御回路は、前記第2の領域にアクセスするか否かを決定することを特徴とする半導体記憶装置。 - 請求項1または2において、
前記第2のメモリセルアレイは、前記不良メモリセルを置換する冗長メモリセルを含む第3の領域を有することを特徴とする半導体記憶装置。 - 正常書き込みを記憶するメモリセルを有することを特徴とする請求項1乃至請求項3に記載の半導体記憶装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009218321A JP5366734B2 (ja) | 2008-09-30 | 2009-09-23 | 半導体記憶装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008254100 | 2008-09-30 | ||
JP2008254100 | 2008-09-30 | ||
JP2009218321A JP5366734B2 (ja) | 2008-09-30 | 2009-09-23 | 半導体記憶装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010108585A true JP2010108585A (ja) | 2010-05-13 |
JP2010108585A5 JP2010108585A5 (ja) | 2012-11-01 |
JP5366734B2 JP5366734B2 (ja) | 2013-12-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009218321A Expired - Fee Related JP5366734B2 (ja) | 2008-09-30 | 2009-09-23 | 半導体記憶装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100080074A1 (ja) |
JP (1) | JP5366734B2 (ja) |
CN (1) | CN102165533B (ja) |
TW (1) | TWI523024B (ja) |
WO (1) | WO2010038630A1 (ja) |
Cited By (1)
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JP2013540312A (ja) * | 2010-09-30 | 2013-10-31 | シーメンス アクチエンゲゼルシヤフト | データを検証するための方法、装置およびシステム |
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US9324398B2 (en) | 2013-02-04 | 2016-04-26 | Micron Technology, Inc. | Apparatuses and methods for targeted refreshing of memory |
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CN103777907A (zh) * | 2014-02-25 | 2014-05-07 | 四川长虹空调有限公司 | 自动获取eeprom存储容量的方法 |
JP2015219938A (ja) * | 2014-05-21 | 2015-12-07 | マイクロン テクノロジー, インク. | 半導体装置 |
US9449720B1 (en) * | 2015-11-17 | 2016-09-20 | Macronix International Co., Ltd. | Dynamic redundancy repair |
JP2017182854A (ja) | 2016-03-31 | 2017-10-05 | マイクロン テクノロジー, インク. | 半導体装置 |
CN107342108B (zh) * | 2016-04-28 | 2020-12-25 | 中芯国际集成电路制造(上海)有限公司 | 电可编程熔丝系统及其测试方法 |
US10580475B2 (en) | 2018-01-22 | 2020-03-03 | Micron Technology, Inc. | Apparatuses and methods for calculating row hammer refresh addresses in a semiconductor device |
US11152050B2 (en) | 2018-06-19 | 2021-10-19 | Micron Technology, Inc. | Apparatuses and methods for multiple row hammer refresh address sequences |
JP7112904B2 (ja) * | 2018-07-20 | 2022-08-04 | ラピスセミコンダクタ株式会社 | 半導体メモリのテスト方法 |
CN109614275B (zh) * | 2018-12-12 | 2022-06-14 | 上海华力集成电路制造有限公司 | 冗余修正电路及应用其的冗余修正方法 |
US10770127B2 (en) | 2019-02-06 | 2020-09-08 | Micron Technology, Inc. | Apparatuses and methods for managing row access counts |
US11043254B2 (en) | 2019-03-19 | 2021-06-22 | Micron Technology, Inc. | Semiconductor device having cam that stores address signals |
US11264096B2 (en) | 2019-05-14 | 2022-03-01 | Micron Technology, Inc. | Apparatuses, systems, and methods for a content addressable memory cell with latch and comparator circuits |
US11158364B2 (en) | 2019-05-31 | 2021-10-26 | Micron Technology, Inc. | Apparatuses and methods for tracking victim rows |
US11158373B2 (en) | 2019-06-11 | 2021-10-26 | Micron Technology, Inc. | Apparatuses, systems, and methods for determining extremum numerical values |
US10832792B1 (en) | 2019-07-01 | 2020-11-10 | Micron Technology, Inc. | Apparatuses and methods for adjusting victim data |
US11139015B2 (en) | 2019-07-01 | 2021-10-05 | Micron Technology, Inc. | Apparatuses and methods for monitoring word line accesses |
US11386946B2 (en) | 2019-07-16 | 2022-07-12 | Micron Technology, Inc. | Apparatuses and methods for tracking row accesses |
US10943636B1 (en) | 2019-08-20 | 2021-03-09 | Micron Technology, Inc. | Apparatuses and methods for analog row access tracking |
US10964378B2 (en) | 2019-08-22 | 2021-03-30 | Micron Technology, Inc. | Apparatus and method including analog accumulator for determining row access rate and target row address used for refresh operation |
US11200942B2 (en) | 2019-08-23 | 2021-12-14 | Micron Technology, Inc. | Apparatuses and methods for lossy row access counting |
US11222682B1 (en) | 2020-08-31 | 2022-01-11 | Micron Technology, Inc. | Apparatuses and methods for providing refresh addresses |
US11462291B2 (en) | 2020-11-23 | 2022-10-04 | Micron Technology, Inc. | Apparatuses and methods for tracking word line accesses |
US11482275B2 (en) | 2021-01-20 | 2022-10-25 | Micron Technology, Inc. | Apparatuses and methods for dynamically allocated aggressor detection |
US11600314B2 (en) | 2021-03-15 | 2023-03-07 | Micron Technology, Inc. | Apparatuses and methods for sketch circuits for refresh binning |
US11664063B2 (en) | 2021-08-12 | 2023-05-30 | Micron Technology, Inc. | Apparatuses and methods for countering memory attacks |
US11688451B2 (en) | 2021-11-29 | 2023-06-27 | Micron Technology, Inc. | Apparatuses, systems, and methods for main sketch and slim sketch circuit for row address tracking |
CN118038948A (zh) * | 2022-11-02 | 2024-05-14 | 长鑫存储技术有限公司 | 存储器 |
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- 2009-09-23 JP JP2009218321A patent/JP5366734B2/ja not_active Expired - Fee Related
- 2009-09-28 US US12/567,975 patent/US20100080074A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
TWI523024B (zh) | 2016-02-21 |
TW201030761A (en) | 2010-08-16 |
CN102165533A (zh) | 2011-08-24 |
CN102165533B (zh) | 2015-01-28 |
JP5366734B2 (ja) | 2013-12-11 |
WO2010038630A1 (en) | 2010-04-08 |
US20100080074A1 (en) | 2010-04-01 |
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