JP4635061B2 - 半導体記憶装置の評価方法 - Google Patents
半導体記憶装置の評価方法 Download PDFInfo
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- JP4635061B2 JP4635061B2 JP2008046712A JP2008046712A JP4635061B2 JP 4635061 B2 JP4635061 B2 JP 4635061B2 JP 2008046712 A JP2008046712 A JP 2008046712A JP 2008046712 A JP2008046712 A JP 2008046712A JP 4635061 B2 JP4635061 B2 JP 4635061B2
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- semiconductor 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
- G11C29/1201—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details comprising I/O circuitry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/31724—Test controller, e.g. BIST state machine
-
- 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
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1068—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in sector programmable memories, e.g. flash disk
-
- 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
- G11C29/16—Implementation of control logic, e.g. test mode decoders using microprogrammed units, e.g. state machines
-
- 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
- G11C29/48—Arrangements in static stores specially adapted for testing by means external to the store, e.g. using direct memory access [DMA] or using auxiliary access paths
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor
- G11C2029/5602—Interface to device under test
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Description
図1は、本実施の形態における耐久性(信頼性)評価方法における評価対象の半導体記憶装置であるSSD100の構成を示すブロック図である。SSD100は、データ保存用の複数のNAND型フラッシュメモリ(NANDメモリ)10、データ転送用または作業領域用のDRAM101、これらを制御するドライブ制御回路102、及び電源回路103を備えている。ドライブ制御回路102は、SSD100の外部に設けられる状態表示用LEDを制御するための制御信号を出力する。
Claims (4)
- 不揮発性メモリと、前記不揮発性メモリに対するアクセスを制御するための管理プログラムを記憶する記憶部と、前記管理プログラムに従って前記不揮発性メモリに対するアクセスを制御する制御部と、を備えた半導体記憶装置における前記不揮発性メモリへのデータの書き込み及び読み込みに対する信頼性を評価する半導体記憶装置の評価方法であって、
前記半導体記憶装置に対して電源を供給した状態で、前記信頼性を評価するための評価テストを制御するプログラムであって前記不揮発性メモリへのアクセス動作を実行するために外部から入力されるアクセスコマンドを模擬的に生成するテストプログラムと、前記管理プログラムと、を前記記憶部に書き込み、前記制御部が前記テストプログラムおよび管理プログラムに従って前記不揮発性メモリへのアクセス動作を実行し、
前記テストプログラムが、前記半導体記憶装置を電源オフ状態とした後に前記半導体記憶装置を電源オン状態とする電源投入処理を模擬的に実行するアクセスコマンドを含むこと、
を特徴とする半導体記憶装置の評価方法。 - 前記テストプログラムおよび前記管理プログラムを前記記憶部に書き込んだ後に前記半導体記憶装置に対する電源供給を停止し、再度前記半導体記憶装置に対する電源供給を行うことにより前記テストプログラムの実行が開始されること、
を特徴とする請求項1に記載の半導体記憶装置の評価方法。 - 前記評価テストの実行状態を表示するためのテスト状態表示部を備えた治具を前記半導体記憶装置に接続して、前記テスト状態表示部により前記評価テストの実行状態を外部に表示すること、
を特徴とする請求項1に記載の半導体記憶装置の評価方法。 - 前記評価テストにおけるテスト結果を前記不揮発性メモリに記憶し、外部インターフェースを通して読み出すこと、
を特徴とする請求項1に記載の半導体記憶装置の評価方法。
Priority Applications (2)
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JP2008046712A JP4635061B2 (ja) | 2008-02-27 | 2008-02-27 | 半導体記憶装置の評価方法 |
US12/392,552 US7996726B2 (en) | 2008-02-27 | 2009-02-25 | Evaluation method and evaluation system for semiconductor storage device |
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JP2008046712A JP4635061B2 (ja) | 2008-02-27 | 2008-02-27 | 半導体記憶装置の評価方法 |
Publications (2)
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JP2009205413A JP2009205413A (ja) | 2009-09-10 |
JP4635061B2 true JP4635061B2 (ja) | 2011-02-16 |
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JP2008046712A Active JP4635061B2 (ja) | 2008-02-27 | 2008-02-27 | 半導体記憶装置の評価方法 |
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US (1) | US7996726B2 (ja) |
JP (1) | JP4635061B2 (ja) |
Cited By (1)
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US8386650B2 (en) * | 2009-12-16 | 2013-02-26 | Intel Corporation | Method to improve a solid state disk performance by using a programmable bus arbiter |
US8412479B2 (en) * | 2010-06-29 | 2013-04-02 | Intel Corporation | Memory power estimation by means of calibrated weights and activity counters |
US8935458B2 (en) * | 2011-01-05 | 2015-01-13 | Intel Corporation | Drive assisted system checkpointing via system restore points |
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JP5740296B2 (ja) | 2011-12-16 | 2015-06-24 | 株式会社東芝 | 半導体記憶装置、半導体記憶装置の制御方法、制御プログラム |
KR20140011438A (ko) | 2012-07-12 | 2014-01-28 | 삼성전자주식회사 | 반도체 디바이스 테스트 소켓 및 그를 구비한 테스트 설비 |
US9032264B2 (en) | 2013-03-21 | 2015-05-12 | Kabushiki Kaisha Toshiba | Test method for nonvolatile memory |
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US11093369B2 (en) | 2018-09-19 | 2021-08-17 | SK Hynix Inc. | Reconfigurable simulation system and method for testing firmware of storage |
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KR20210119678A (ko) * | 2020-03-25 | 2021-10-06 | 에스케이하이닉스 주식회사 | 멀티 칩 패키지 및 그것의 테스트 방법 |
CN114510383A (zh) * | 2022-03-17 | 2022-05-17 | 北京得瑞领新科技有限公司 | 具有温控功能的ssd硬盘测试装置以及测试方法 |
CN115035946A (zh) * | 2022-08-12 | 2022-09-09 | 武汉麓谷科技有限公司 | 一种可扩展的NVMe固态硬盘测试系统 |
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JPH0634713A (ja) * | 1992-07-16 | 1994-02-10 | Clarion Co Ltd | モジュール動作の検査装置 |
JPH08201473A (ja) * | 1995-01-30 | 1996-08-09 | Matsushita Electric Ind Co Ltd | 半導体検査装置 |
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US8539315B2 (en) | 2011-12-16 | 2013-09-17 | Kabushiki Kaisha Toshiba | Semiconductor storage device, nonvolatile semiconductor memory test method, and medium |
US9263153B2 (en) | 2011-12-16 | 2016-02-16 | Kabushiki Kaisha Toshiba | Semiconductor storage device, nonvolatile semiconductor memory test method, and medium |
Also Published As
Publication number | Publication date |
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JP2009205413A (ja) | 2009-09-10 |
US7996726B2 (en) | 2011-08-09 |
US20090217111A1 (en) | 2009-08-27 |
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