CN102708928A - 使用测试单元的闪存中的早期恶化检测 - Google Patents
使用测试单元的闪存中的早期恶化检测 Download PDFInfo
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- CN102708928A CN102708928A CN2011104361202A CN201110436120A CN102708928A CN 102708928 A CN102708928 A CN 102708928A CN 2011104361202 A CN2011104361202 A CN 2011104361202A CN 201110436120 A CN201110436120 A CN 201110436120A CN 102708928 A CN102708928 A CN 102708928A
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- G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
- G11C11/5642—Sensing or reading circuits; Data output circuits
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- G11C16/02—Erasable programmable read-only memories electrically programmable
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- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
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- 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
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- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C29/50004—Marginal testing, e.g. race, voltage or current testing of threshold voltage
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Abstract
Description
简称 | 操作模式 | 电子输送类型 |
栅极擦除 | 编程 | 损失 |
栅极编程 | 编程 | 增加 |
漏极擦除 | 编程 | 增加 |
编程干扰 | 编程 | 损失 |
击穿编程 | 编程 | 增加 |
反隧穿编程 | 编程 | 增加 |
源极擦除 | 擦除 | 损失 |
沟道擦除 | 擦除 | 损失 |
栅极读擦除 | 读取 | 损失 |
沟道读编程 | 读取 | 增加 |
软编程 | 读取 | 增加 |
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/930,020 | 2010-12-22 | ||
US12/930,020 US8422303B2 (en) | 2010-12-22 | 2010-12-22 | Early degradation detection in flash memory using test cells |
Publications (2)
Publication Number | Publication Date |
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CN102708928A true CN102708928A (zh) | 2012-10-03 |
CN102708928B CN102708928B (zh) | 2016-08-31 |
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Application Number | Title | Priority Date | Filing Date |
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CN201110436120.2A Active CN102708928B (zh) | 2010-12-22 | 2011-12-22 | 使用测试单元的闪存中的早期恶化检测 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8422303B2 (zh) |
JP (1) | JP6047286B2 (zh) |
CN (1) | CN102708928B (zh) |
Cited By (3)
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CN104658613A (zh) * | 2014-12-30 | 2015-05-27 | 中国电子科技集团公司第四十七研究所 | Eeprom耐久性试验方法及装置 |
CN111798909A (zh) * | 2019-04-04 | 2020-10-20 | 爱思开海力士有限公司 | 非易失性存储装置、其写入方法及使用其的系统 |
CN114999542A (zh) * | 2021-03-02 | 2022-09-02 | 慧与发展有限责任合伙企业 | 通过监测金丝雀单元检测存储器单元干扰的系统和方法 |
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2010
- 2010-12-22 US US12/930,020 patent/US8422303B2/en active Active
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- 2011-12-20 JP JP2011279057A patent/JP6047286B2/ja active Active
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US8422303B2 (en) | 2013-04-16 |
US20120163074A1 (en) | 2012-06-28 |
CN102708928B (zh) | 2016-08-31 |
JP6047286B2 (ja) | 2016-12-21 |
JP2012133875A (ja) | 2012-07-12 |
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