JP2019003717A - 半導体記憶装置 - Google Patents
半導体記憶装置 Download PDFInfo
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- JP2019003717A JP2019003717A JP2017120184A JP2017120184A JP2019003717A JP 2019003717 A JP2019003717 A JP 2019003717A JP 2017120184 A JP2017120184 A JP 2017120184A JP 2017120184 A JP2017120184 A JP 2017120184A JP 2019003717 A JP2019003717 A JP 2019003717A
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- 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
- G11C16/26—Sensing or reading circuits; Data output circuits
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
-
- 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
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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
- G11C29/026—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in sense amplifiers
-
- 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
- G11C29/14—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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
- G11C7/065—Differential amplifiers of latching type
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
- G11C7/08—Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/106—Data output latches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
-
- 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
- G11C16/32—Timing circuits
-
- 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
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/005—Transfer gates, i.e. gates coupling the sense amplifier output to data lines, I/O lines or global bit lines
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/22—Control and timing of internal memory operations
- G11C2207/2281—Timing of a read operation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1015—Read-write modes for single port memories, i.e. having either a random port or a serial port
- G11C7/1018—Serial bit line access mode, e.g. using bit line address shift registers, bit line address counters, bit line burst counters
- G11C7/1021—Page serial bit line access mode, i.e. using an enabled row address stroke pulse with its associated word line address and a sequence of enabled column address stroke pulses each with its associated bit line address
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Read Only Memory (AREA)
Abstract
Description
120:センスアンプ 130、140:ラッチ回路
150:データ「1」の複製回路 160:データ「0」の複製回路
170:列デコーダ 172:ドライバ
180:列選択信号の配線 190:データバス
200:差動センスアンプ 210:タイミング制御回路
300:検証回路 330:検証結果保持回路
340:レジスタ 360:セレクタ
400:差動センスアンプ 410:差動センスアンプ
420、430:判定回路 440:判定回路
450:駆動回路
Claims (13)
- 少なくともメモリセルアレイから読み出されたデータを保持可能であり、列選択信号に応答して保持した複数ビットのデータをデータバス上に出力する保持手段と、
活性化信号に応答してデータバス上のデータをセンスするセンス手段と、
センス手段によりセンスされたデータを出力する出力手段と、
前記センス手段の動作マージンを検証する検証手段と、
前記検証手段により検証された結果に基づき前記活性化信号のタイミングを調整する調整手段と、
を有する半導体記憶装置。 - 前記検証手段は、前記列選択信号から見て最遠端にある複製回路を含み、当該複製回路は、前記列選択信号に応答して保持したデータをデータバス上に出力し、前記検証手段は、前記複製回路から出力されたデータのセンス結果に基づき動作マージンを検証する、請求項1に記載の半導体記憶装置。
- 前記検証手段は、前記センス手段によりデータが正しくセンスされたか否かを判定する判定回路を含み、前記検証手段は、前記判定回路の判定結果に基づき動作マージンを検証する、請求項1または2に記載の半導体記憶装置。
- 前記検証手段は、前記活性化信号のタイミングを変えて前記センス手段に複数回のセンスを行わせ、複数回のセンス結果に基づき動作マージンを検証する、請求項1ないし3いずれか1つに記載の半導体記憶装置。
- 前記検証手段は、前記活性化信号のタイミングを変えて前記センス手段に複数回のセンスを行わせたときのセンス結果を記憶する記憶手段を含み、
前記調整手段は、前記記憶手段に記憶されたセンス結果に基づき前記活性化信号のタイミングを設定する、請求項1に記載の半導体記憶装置。 - 前記検証手段は、テスト実行時に行われ、前記検証手段の検証結果が不揮発性レジスタに記憶され、前記調整手段は、通常の動作時に前記不揮発性レジスタに記憶された検証結果に基づき前記活性化信号のタイミングを調整する、請求項1ないし5いずれか1つに記載の半導体記憶装置。
- 前記検証手段は、前記複製回路から出力されたデータバス上のデータをセンスする複数組のセンス手段を含み、前記検証手段は、前記活性化信号のタイミングを変えて前記複数組のセンス手段にセンスを行わせ、複数組のセンス手段のセンス結果に基づきセンス手段に保持されたデータを前記出力手段に出力させる、請求項1ないし3いずれか1つに記載の半導体記憶装置。
- 前記調整手段は、前記複数組のセンス手段のセンス結果に基づき前記活性化信号のタイミングを調整する、請求項7に記載の半導体記憶装置。
- 前記複製回路は、前記メモリセルアレイとは無関係に予め決められたデータを保持する記憶素子を含む、請求項2に記載の半導体記憶装置。
- 前記複製回路は、前記メモリセルアレイから読み出されたデータを保持する記憶素子を含む、請求項2に記載の半導体記憶装置。
- 前記複製回路は、データ「0」を保持する第1のラッチ回路と、データ「1」を保持する第2のラッチ回路とを含む、請求項2、9または10に記載の半導体記憶装置。
- 前記センス手段は、データバス上の差動データをセンスする、請求項1に記載の半導体記憶装置。
- 前記半導体記憶装置は、NAND型のフラッシュメモリである、請求項1ないし12いずれか1つに記載の半導体記憶装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017120184A JP6370444B1 (ja) | 2017-06-20 | 2017-06-20 | 半導体記憶装置 |
| TW107115436A TWI702601B (zh) | 2017-06-20 | 2018-05-07 | 半導體記憶裝置 |
| KR1020180067730A KR102082047B1 (ko) | 2017-06-20 | 2018-06-12 | 반도체 기억장치 |
| US16/013,349 US10490240B2 (en) | 2017-06-20 | 2018-06-20 | Semiconductor memory device capable of correctly reading data |
| CN201810635517.6A CN109102836B (zh) | 2017-06-20 | 2018-06-20 | 半导体存储装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017120184A JP6370444B1 (ja) | 2017-06-20 | 2017-06-20 | 半導体記憶装置 |
Publications (2)
| Publication Number | Publication Date |
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| JP6370444B1 JP6370444B1 (ja) | 2018-08-08 |
| JP2019003717A true JP2019003717A (ja) | 2019-01-10 |
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| JP2017120184A Active JP6370444B1 (ja) | 2017-06-20 | 2017-06-20 | 半導体記憶装置 |
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| Country | Link |
|---|---|
| US (1) | US10490240B2 (ja) |
| JP (1) | JP6370444B1 (ja) |
| KR (1) | KR102082047B1 (ja) |
| CN (1) | CN109102836B (ja) |
| TW (1) | TWI702601B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111429957B (zh) * | 2019-06-19 | 2022-03-22 | 合肥晶合集成电路股份有限公司 | 一种静态随机存取存储器 |
| US11049551B2 (en) * | 2019-11-13 | 2021-06-29 | University Of Virginia Patent Foundation | Memory devices providing in situ computing using sequential transfer of row buffered data and related methods and circuits |
| KR20220045458A (ko) * | 2020-10-05 | 2022-04-12 | 에스케이하이닉스 주식회사 | 페이지 버퍼 및 이를 포함하는 반도체 메모리 장치 |
| US11545231B2 (en) * | 2021-02-09 | 2023-01-03 | Micron Technology, Inc. | Reset read disturb mitigation |
| US12474864B2 (en) * | 2022-09-09 | 2025-11-18 | Micron Technology, Inc. | Data sensing with error correction |
| CN115472190A (zh) * | 2022-09-14 | 2022-12-13 | 厦门半导体工业技术研发有限公司 | 存储器读写验证方法 |
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| JP2003151281A (ja) * | 2001-11-07 | 2003-05-23 | Mitsubishi Electric Corp | 半導体記憶装置 |
| JP2004164772A (ja) * | 2002-11-14 | 2004-06-10 | Matsushita Electric Ind Co Ltd | 半導体記憶装置 |
| JP2005092923A (ja) * | 2003-09-12 | 2005-04-07 | Renesas Technology Corp | 半導体記憶装置 |
| JP4322686B2 (ja) * | 2004-01-07 | 2009-09-02 | 株式会社東芝 | 不揮発性半導体記憶装置 |
| DE112004002973B4 (de) * | 2004-09-30 | 2011-06-01 | Spansion LLC (n.d.Ges.d. Staates Delaware), Sunnyvale | Halbleiterbauelement und Verfahren zum Schreiben von Daten |
| JP4381278B2 (ja) | 2004-10-14 | 2009-12-09 | 株式会社東芝 | 不揮発性半導体記憶装置の制御方法 |
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- 2017-06-20 JP JP2017120184A patent/JP6370444B1/ja active Active
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2018
- 2018-05-07 TW TW107115436A patent/TWI702601B/zh active
- 2018-06-12 KR KR1020180067730A patent/KR102082047B1/ko active Active
- 2018-06-20 CN CN201810635517.6A patent/CN109102836B/zh active Active
- 2018-06-20 US US16/013,349 patent/US10490240B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20180366201A1 (en) | 2018-12-20 |
| CN109102836B (zh) | 2021-04-27 |
| KR20180138148A (ko) | 2018-12-28 |
| TWI702601B (zh) | 2020-08-21 |
| JP6370444B1 (ja) | 2018-08-08 |
| TW201905924A (zh) | 2019-02-01 |
| CN109102836A (zh) | 2018-12-28 |
| US10490240B2 (en) | 2019-11-26 |
| KR102082047B1 (ko) | 2020-02-26 |
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