JP6124269B2 - 抵抗変化型メモリの制御方法 - Google Patents
抵抗変化型メモリの制御方法 Download PDFInfo
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- JP6124269B2 JP6124269B2 JP2015217898A JP2015217898A JP6124269B2 JP 6124269 B2 JP6124269 B2 JP 6124269B2 JP 2015217898 A JP2015217898 A JP 2015217898A JP 2015217898 A JP2015217898 A JP 2015217898A JP 6124269 B2 JP6124269 B2 JP 6124269B2
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- 230000008859 change Effects 0.000 title claims description 167
- 238000000034 method Methods 0.000 title claims description 49
- 238000010586 diagram Methods 0.000 description 13
- 238000012795 verification Methods 0.000 description 12
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/30—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0097—Erasing, e.g. resetting, circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0064—Verifying circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0007—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising metal oxide memory material, e.g. perovskites
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/004—Reading or sensing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/24—Multistable switching devices, e.g. memristors based on migration or redistribution of ionic species, e.g. anions, vacancies
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/004—Reading or sensing circuits or methods
- G11C2013/0045—Read using current through the cell
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/0073—Write using bi-directional cell biasing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/0083—Write to perform initialising, forming process, electro forming or conditioning
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
- G11C2013/0092—Write characterized by the shape, e.g. form, length, amplitude of the write pulse
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
Description
Claims (12)
- 抵抗変化型メモリの制御方法であって、前記制御方法は、
(a1)前記抵抗変化型メモリが規定の状態を有するように、前記抵抗変化型メモリで動作をし始めるステップと、
(a2)操作期間を開始させるステップと、
(a3)前記操作期間の第1サブ期間中に、第1極性をもつ第1制御信号を前記抵抗変化型メモリに供給するステップと、
(a4)前記操作期間の第2サブ期間中に、第2極性をもつ第2制御信号を前記抵抗変化型メモリに供給するステップと、
(a5)前記操作期間の第3サブ期間中に、前記第1極性をもつ第3制御信号を前記抵抗変化型メモリに供給するステップと、
(a6)前記操作期間の第4サブ期間中に、読み出し信号を前記抵抗変化型メモリに供給して、前記抵抗変化型メモリが読み出し電流を生成するステップとを備えており、
前記抵抗変化型メモリの制御回路は前記読み出し電流に応じて、前記抵抗変化型メモリが前記規定の状態であるかどうかを検証し、
前記第3制御信号の振幅が前記第1制御信号の振幅より大きく、かつ、前記第1制御信号の前記振幅が前記第2制御信号の振幅より大きい、制御方法。 - 前記読み出し信号の振幅は前記第1制御信号の振幅より小さく、前記読み出し信号の振幅は前記第2制御信号の振幅より小さく、前記読み出し信号の振幅は前記第3制御信号の振幅より小さい、請求項1に記載の制御方法。
- 前記(a6)ステップは、
(b1)前記抵抗変化型メモリが前記規定の状態であると前記制御回路が確認する場合、前記動作を終了するステップと、
(b2)前記抵抗変化型メモリが前記規定の状態でないと前記制御回路が確認する場合、前記(a2)ステップに戻るステップと、
を備える、請求項2に記載の制御方法。 - 前記(a6)ステップは、
(c1)前記抵抗変化型メモリが前記規定の状態であると前記制御回路が確認する場合、前記動作を終了するステップと、
(c2)前記抵抗変化型メモリが前記規定の状態でないと前記制御回路が確認する場合、前記第1制御信号、前記第2制御信号および/または前記第3制御信号を更新し、次いで前記(a2)ステップに戻るステップと、
を備える、請求項2に記載の制御方法。 - 前記(c2)ステップにおいて、前記第1制御信号、前記第2制御信号および/または前記第3制御信号の振幅およびパルス幅のいずれかまたは両方が更新される、請求項4に記載の制御方法。
- 前記動作はセット動作であり、前記規定の状態はセット状態である、請求項2に記載の制御方法。
- 前記動作はリセット動作であり、前記規定の状態はリセット状態である、請求項2に記載の制御方法。
- 前記第1制御信号、前記第2制御信号および前記第3制御信号は、電圧信号または電流信号である、請求項2に記載の制御方法。
- 前記読み出し信号は読み出し電圧を有する、請求項2に記載の制御方法。
- 前記第1制御信号は、単一のパルス波または複数のパルス波を含む、請求項2に記載の制御方法。
- 前記第2制御信号は、単一のパルス波または複数のパルス波を含む、請求項2に記載の制御方法。
- 前記第3制御信号は、単一のパルス波または複数のパルス波を含む、請求項2に記載の制御方法。
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US201562105744P | 2015-01-21 | 2015-01-21 | |
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JP (2) | JP6124269B2 (ja) |
CN (2) | CN105810241B (ja) |
TW (2) | TWI582773B (ja) |
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CN109410997B (zh) * | 2017-08-16 | 2021-04-30 | 华邦电子股份有限公司 | 电阻式存储器存储装置及其写入方法 |
CN109427392B (zh) | 2017-09-01 | 2021-01-12 | 华邦电子股份有限公司 | 电阻式存储装置及其写入方法 |
TWI629682B (zh) * | 2017-09-01 | 2018-07-11 | 華邦電子股份有限公司 | 電阻式記憶體儲存裝置及其寫入方法 |
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JP6599494B2 (ja) * | 2018-02-14 | 2019-10-30 | ウィンボンド エレクトロニクス コーポレーション | 半導体記憶装置 |
JP6829733B2 (ja) * | 2019-01-16 | 2021-02-10 | ウィンボンド エレクトロニクス コーポレーション | 抵抗変化型ランダムアクセスメモリ |
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TW201629973A (zh) | 2016-08-16 |
CN105810241B (zh) | 2018-11-09 |
CN105810709A (zh) | 2016-07-27 |
JP2016134191A (ja) | 2016-07-25 |
CN105810241A (zh) | 2016-07-27 |
US20160211020A1 (en) | 2016-07-21 |
JP6282258B2 (ja) | 2018-02-21 |
TWI582773B (zh) | 2017-05-11 |
TW201629972A (zh) | 2016-08-16 |
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JP2016134193A (ja) | 2016-07-25 |
US9484094B2 (en) | 2016-11-01 |
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