JP2020013628A - 半導体メモリ装置 - Google Patents
半導体メモリ装置 Download PDFInfo
- Publication number
- JP2020013628A JP2020013628A JP2018136810A JP2018136810A JP2020013628A JP 2020013628 A JP2020013628 A JP 2020013628A JP 2018136810 A JP2018136810 A JP 2018136810A JP 2018136810 A JP2018136810 A JP 2018136810A JP 2020013628 A JP2020013628 A JP 2020013628A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- block
- area
- data
- redundant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/24—Accessing extra cells, e.g. dummy cells or redundant cells
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2094—Redundant storage or storage space
-
- 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
- G11C29/10—Test algorithms, e.g. memory scan [MScan] algorithms; Test patterns, e.g. checkerboard patterns
-
- 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
- G11C29/1201—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details comprising I/O circuitry
-
- 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
- G11C29/14—Implementation of control logic, e.g. test mode decoders
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/20—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits using counters or linear-feedback shift registers [LFSR]
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/26—Accessing multiple arrays
-
- 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
- G11C29/36—Data generation devices, e.g. data inverters
-
- 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
- G11C29/70—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
- G11C29/781—Masking faults in memories by using spares or by reconfiguring using programmable devices combined in a redundant decoder
-
- 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
- G11C29/835—Masking faults in memories by using spares or by reconfiguring using programmable devices with roll call arrangements for redundant substitutions
-
- 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
- G11C29/84—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability
- G11C29/846—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability by choosing redundant lines at an output stage
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/82—Solving problems relating to consistency
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/85—Active fault masking without idle spares
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C2029/1802—Address decoder
-
- 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
- G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
- G11C29/26—Accessing multiple arrays
- G11C2029/2602—Concurrent 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
- 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
- G11C29/36—Data generation devices, e.g. data inverters
- G11C2029/3602—Pattern generator
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Dram (AREA)
Abstract
Description
10 メモリ領域
A1 通常領域
A2 冗長領域
11 ヒューズ
12 コントロールロジック回路
21 ユーザIF
22 コマンド/アドレス解析部
23 テストモード制御部
24 Read/Write制御部
25 冗長領域使用判定部
26 ヒューズインタフェース
27 メモリセルIF
28 固定値出力回路
31 機能切替ブロック
32 データ切替ブロック
33 アドレスデコーダ
40 固定値自動書込回路
41 カウンタ
42 アドレス生成部
43 制御信号生成部
44 アドレスデコーダ
45 データ切替ブロック
Claims (5)
- 各々が複数個のメモリセルからなる複数のメモリブロックを有する通常メモリ領域と、前記複数のメモリブロックのうちの欠陥ブロックのアドレスに対するアクセスを他のアドレスに対するアクセスに置き換えるための領域であって当該他のアドレスを有する冗長ブロックを含む冗長メモリ領域と、を含むメモリ部と、
前記通常メモリ領域における前記欠陥ブロックの位置を示すアドレス情報と、当該欠陥ブロックの置き換え対象である冗長ブロックの位置を示すアドレス情報とを対応付けて記憶する記憶部と、
データ読出信号に応じて、前記記憶部に記憶された情報に基づいて、前記通常メモリ領域内の前記欠陥ブロックと前記欠陥ブロック以外のメモリブロックとの配置関係を前記通常メモリ領域の少なくとも一部の領域について示す2値のデータからなるデータ列を出力する出力回路と、
を有することを特徴とする半導体メモリ装置。 - 前記出力回路は、前記2値のデータのうちの一方の値のデータを前記欠陥ブロックに対応する冗長ブロックに書き込むとともに他方の値のデータを前記通常メモリ領域の前記欠陥ブロック以外のメモリブロックに書き込んだと仮定した場合に、前記メモリ部に現れる前記2値のデータの分布パターンに基づいて、前記データ列を生成することを特徴とする請求項1に記載の半導体メモリ装置。
- 前記出力回路は、前記データ読出し信号とともに、前記通常メモリ領域の前記少なくとも一部の領域を指定するアドレス指定を受け、前記メモリ部に現れる前記2値のデータの分布パターンから前記アドレス指定によって指定された領域に対応する分布パターンを抜き出し、前記データ列として出力することを特徴とする請求項2に記載の半導体メモリ装置。
- 前記出力回路は、出力モードの指定を受けて第1の出力モード又は第2の出力モードに切り替え可能に構成され、
前記第1の出力モードが指定されている場合には前記データ読出し信号に応じて前記データ列を出力し、前記第2の出力モードが指定されている場合には前記メモリ部に実際に書き込まれている情報を前記データ読出し信号に応じて出力することを特徴とする請求項1乃至3のいずれか1項に記載の半導体メモリ装置。 - 各々が複数個のメモリセルからなる複数のメモリブロックを有する通常メモリ領域と、前記複数のメモリブロックのうちの欠陥ブロックのアドレスに対するアクセスを他のアドレスに対するアクセスに置き換えるための領域であって当該他のアドレスを有する冗長ブロックを含む冗長メモリ領域と、を含むメモリ部と、
前記通常メモリ領域における前記欠陥ブロックの位置を示すアドレス情報と、当該欠陥ブロックの置き換え対象である冗長ブロックの位置を示すアドレス情報とを対応付けて記憶する記憶部と、
データ書き込み開始信号に応じて、前記記憶部に記憶された情報に基づいて、2値のデータのうちの一方の値のデータを前記欠陥ブロックに対応する冗長ブロックに書き込み、他方の値のデータを前記通常メモリ領域の前記欠陥ブロック以外のメモリブロックに書き込む固定値書込回路と、
を有することを特徴とする半導体メモリ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018136810A JP7171286B2 (ja) | 2018-07-20 | 2018-07-20 | 半導体メモリ装置 |
US16/515,741 US11106555B2 (en) | 2018-07-20 | 2019-07-18 | Semiconductor memory device with redundant memory area |
CN201910654135.2A CN110739022A (zh) | 2018-07-20 | 2019-07-19 | 半导体存储器装置 |
JP2022176443A JP2023015196A (ja) | 2018-07-20 | 2022-11-02 | 半導体メモリ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018136810A JP7171286B2 (ja) | 2018-07-20 | 2018-07-20 | 半導体メモリ装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022176443A Division JP2023015196A (ja) | 2018-07-20 | 2022-11-02 | 半導体メモリ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020013628A true JP2020013628A (ja) | 2020-01-23 |
JP7171286B2 JP7171286B2 (ja) | 2022-11-15 |
Family
ID=69163001
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018136810A Active JP7171286B2 (ja) | 2018-07-20 | 2018-07-20 | 半導体メモリ装置 |
JP2022176443A Pending JP2023015196A (ja) | 2018-07-20 | 2022-11-02 | 半導体メモリ装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022176443A Pending JP2023015196A (ja) | 2018-07-20 | 2022-11-02 | 半導体メモリ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11106555B2 (ja) |
JP (2) | JP7171286B2 (ja) |
CN (1) | CN110739022A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113539347B (zh) * | 2021-07-21 | 2023-08-18 | 长鑫存储技术有限公司 | 存储器修补线路确定方法及装置、存储介质及电子设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0235697A (ja) * | 1988-07-26 | 1990-02-06 | Nec Corp | メモリ回路 |
JPH0765595A (ja) * | 1993-08-26 | 1995-03-10 | Nec Corp | ロールコール回路 |
JPH07220495A (ja) * | 1994-01-31 | 1995-08-18 | Fujitsu Ltd | 半導体記憶装置 |
JPH07320495A (ja) * | 1994-05-20 | 1995-12-08 | Mitsubishi Electric Corp | 半導体記憶装置 |
JPH1064300A (ja) * | 1996-08-22 | 1998-03-06 | Toshiba Corp | 半導体メモリ及びそのテスト方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563743B2 (en) * | 2000-11-27 | 2003-05-13 | Hitachi, Ltd. | Semiconductor device having dummy cells and semiconductor device having dummy cells for redundancy |
US6373758B1 (en) * | 2001-02-23 | 2002-04-16 | Hewlett-Packard Company | System and method of operating a programmable column fail counter for redundancy allocation |
JP2003187591A (ja) * | 2001-12-14 | 2003-07-04 | Toshiba Corp | 半導体記憶装置 |
JP4175852B2 (ja) * | 2002-09-13 | 2008-11-05 | スパンション エルエルシー | 冗長セルアレイへの置き換えを正常に行う半導体メモリ |
US7734966B1 (en) * | 2002-12-26 | 2010-06-08 | Marvell International Ltd. | Method and system for memory testing and test data reporting during memory testing |
JP2005267817A (ja) * | 2004-03-22 | 2005-09-29 | Oki Electric Ind Co Ltd | 半導体記憶装置と冗長救済アドレスの読出方法 |
WO2008029434A1 (fr) * | 2006-09-04 | 2008-03-13 | Fujitsu Limited | Dispositif de stockage à semi-conducteur et méthode d'essai dudit dispositif |
JP4353329B2 (ja) | 2006-10-27 | 2009-10-28 | エルピーダメモリ株式会社 | 半導体記憶装置及びそのテスト方法 |
JP2010020839A (ja) * | 2008-07-10 | 2010-01-28 | Panasonic Corp | 半導体記憶装置 |
JP5134569B2 (ja) * | 2009-02-23 | 2013-01-30 | ラピスセミコンダクタ株式会社 | メモリ装置 |
JP5559616B2 (ja) * | 2010-06-17 | 2014-07-23 | ラピスセミコンダクタ株式会社 | 半導体メモリ装置 |
JP5679801B2 (ja) * | 2010-12-22 | 2015-03-04 | ラピスセミコンダクタ株式会社 | 不揮発性記憶装置 |
KR20120076438A (ko) * | 2010-12-29 | 2012-07-09 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 |
KR20120115854A (ko) * | 2011-04-11 | 2012-10-19 | 에스케이하이닉스 주식회사 | 리페어 방법과 이를 이용한 집적회로 |
US8693271B2 (en) * | 2011-08-10 | 2014-04-08 | Texas Instruments Incorporated | Method of stressing static random access memories for pass transistor defects |
US9075741B2 (en) * | 2011-12-16 | 2015-07-07 | Intel Corporation | Dynamic error handling using parity and redundant rows |
US9953725B2 (en) * | 2012-02-29 | 2018-04-24 | Samsung Electronics Co., Ltd. | Semiconductor memory devices and methods of operating the same |
KR102143517B1 (ko) * | 2013-02-26 | 2020-08-12 | 삼성전자 주식회사 | 에러 정정회로를 포함하는 반도체 메모리 장치 및 반도체 메모리 장치의 동작방법 |
KR20150114795A (ko) * | 2014-04-02 | 2015-10-13 | 삼성전자주식회사 | 반도체 메모리 장치의 테스트 방법, 테스트 장치, 및 반도체 메모리 장치의 테스트 프로그램을 저장하는 컴퓨터로 읽을 수 있는 기록 매체 |
US10108509B2 (en) * | 2015-07-16 | 2018-10-23 | Texas Instruments Incorporated | Dynamic enabling of redundant memory cells during operating life |
KR20170059219A (ko) * | 2015-11-20 | 2017-05-30 | 삼성전자주식회사 | 메모리 장치, 메모리 시스템 및 메모리 장치의 복구 검증 방법 |
JP6886850B2 (ja) * | 2017-04-04 | 2021-06-16 | ラピスセミコンダクタ株式会社 | 半導体記憶装置および半導体記憶装置の試験方法 |
JP6941971B2 (ja) * | 2017-05-15 | 2021-09-29 | ラピスセミコンダクタ株式会社 | 半導体記憶装置、メモリコントローラ及びメモリの監視方法 |
-
2018
- 2018-07-20 JP JP2018136810A patent/JP7171286B2/ja active Active
-
2019
- 2019-07-18 US US16/515,741 patent/US11106555B2/en active Active
- 2019-07-19 CN CN201910654135.2A patent/CN110739022A/zh active Pending
-
2022
- 2022-11-02 JP JP2022176443A patent/JP2023015196A/ja active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0235697A (ja) * | 1988-07-26 | 1990-02-06 | Nec Corp | メモリ回路 |
US5008857A (en) * | 1988-07-26 | 1991-04-16 | Nec Corporation | Semiconductor memory device provided with an improved system for detecting the positions using a redundant structure |
JPH0765595A (ja) * | 1993-08-26 | 1995-03-10 | Nec Corp | ロールコール回路 |
US5517458A (en) * | 1993-08-26 | 1996-05-14 | Nec Corporation | Roll call decoder for semiconductor memory having redundant memory cells |
JPH07220495A (ja) * | 1994-01-31 | 1995-08-18 | Fujitsu Ltd | 半導体記憶装置 |
US5559741A (en) * | 1994-01-31 | 1996-09-24 | Fujitsu Limited | Semiconductor memory device |
JPH07320495A (ja) * | 1994-05-20 | 1995-12-08 | Mitsubishi Electric Corp | 半導体記憶装置 |
US5555522A (en) * | 1994-05-20 | 1996-09-10 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor memory having redundant cells |
JPH1064300A (ja) * | 1996-08-22 | 1998-03-06 | Toshiba Corp | 半導体メモリ及びそのテスト方法 |
Also Published As
Publication number | Publication date |
---|---|
US20200026628A1 (en) | 2020-01-23 |
US11106555B2 (en) | 2021-08-31 |
JP7171286B2 (ja) | 2022-11-15 |
CN110739022A (zh) | 2020-01-31 |
JP2023015196A (ja) | 2023-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101317034B1 (ko) | 반도체 메모리를 리페어하기 위한 장치 및 방법 | |
US7539896B2 (en) | Repairable block redundancy scheme | |
KR101095222B1 (ko) | 반도체 기억 장치 및 시스템 | |
US5808946A (en) | Parallel processing redundancy scheme for faster access times and lower die area | |
US20040019763A1 (en) | Column/row redundancy architecture using latches programmed from a look up table | |
US9870837B1 (en) | Semiconductor memory device for performing a post package repair operation and operating method thereof | |
KR20070023876A (ko) | 반도체 메모리 장치 및 그 셀프 테스트 방법 | |
JP2010123159A (ja) | 半導体集積回路 | |
KR100746389B1 (ko) | 결함 메모리 셀의 어드레스를 저장하기 위한 메모리유닛을 갖춘 집적 반도체 메모리 | |
US20020093874A1 (en) | Semiconductor memory device | |
JP2005302250A (ja) | 半導体装置 | |
JP3967704B2 (ja) | 半導体記憶装置とそのテスト方法 | |
JP2023015196A (ja) | 半導体メモリ装置 | |
US7403417B2 (en) | Non-volatile semiconductor memory device and method for operating a non-volatile memory device | |
WO2016073178A2 (en) | Shared repair register for memory redundancy | |
TW493176B (en) | Integrated dynamic semiconductor-memory with redundant unit of memory-cells and its self-reparation method | |
JP2010092261A (ja) | メモリモジュール、および、メモリ用補助モジュール | |
JP2001023397A (ja) | 半導体メモリのテスト方法及び半導体メモリ | |
US6684355B2 (en) | Memory testing apparatus and method | |
US9230686B2 (en) | Semiconductor device having roll call circuit | |
US20050262403A1 (en) | Apparatus and method for single operation read-modify-write in a bit-accessible memory unit memory | |
US8027221B2 (en) | Memory device | |
JPH10172297A (ja) | 半導体記憶装置及び半導体記憶装置の試験方法 | |
KR20010070201A (ko) | 메모리 장치 | |
JP4929868B2 (ja) | 半導体メモリ試験装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210427 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220118 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220119 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220315 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220719 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220913 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20221004 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20221102 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7171286 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |