JP2010529651A - 1つのアクセス素子につき複数のメモリセルを備える抵抗変化を利用したメモリのアーキテクチャ - Google Patents
1つのアクセス素子につき複数のメモリセルを備える抵抗変化を利用したメモリのアーキテクチャ Download PDFInfo
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Classifications
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- G—PHYSICS
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- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
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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
- H10N70/801—Constructional details of multistable switching devices
- H10N70/841—Electrodes
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- 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
- G11C13/0004—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 amorphous/crystalline phase transition cells
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- 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
- G11C13/0023—Address circuits or decoders
-
- 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
- G11C13/0023—Address circuits or decoders
- G11C13/0026—Bit-line or column circuits
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- 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
- G11C13/003—Cell access
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
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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
- H10B63/20—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having two electrodes, e.g. diodes
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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
-
- 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
- H10B63/80—Arrangements comprising multiple bistable or multi-stable switching components of the same type on a plane parallel to the substrate, e.g. cross-point arrays
- H10B63/82—Arrangements comprising multiple bistable or multi-stable switching components of the same type on a plane parallel to the substrate, e.g. cross-point arrays the switching components having a common active material layer
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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
- H10B63/80—Arrangements comprising multiple bistable or multi-stable switching components of the same type on a plane parallel to the substrate, e.g. cross-point arrays
- H10B63/84—Arrangements comprising multiple bistable or multi-stable switching components of the same type on a plane parallel to the substrate, e.g. cross-point arrays arranged in a direction perpendicular to the substrate, e.g. 3D cell arrays
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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
- H10N70/231—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect
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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
- H10N70/801—Constructional details of multistable switching devices
- H10N70/821—Device geometry
- H10N70/826—Device geometry adapted for essentially vertical current flow, e.g. sandwich or pillar type devices
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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
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8828—Tellurides, e.g. GeSbTe
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/72—Array wherein the access device being a diode
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/74—Array wherein each memory cell has more than one access device
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/76—Array using an access device for each cell which being not a transistor and not a diode
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/78—Array wherein the memory cells of a group share an access device, all the memory cells of the group having a common electrode and the access device being not part of a word line or a bit line driver
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/79—Array wherein the access device being a transistor
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (61)
抵抗変化を利用した少なくとも2つのメモリセルであって、前記少なくとも2つのメモリセルの各々は、前記アクセス素子およびセル選択信号線に連結され、ならびに、前記セル選択信号線上のセル選択信号を介し、かつ、前記アクセス素子の活性化により選択されると、電流を通すように各々が設定されている、前記少なくとも2つのメモリセルと、
前記少なくとも2つのメモリセルの各1つと各々接続した少なくとも2つの整流素子と、
を含む、抵抗変化を利用したメモリ構造。
前記複数のアクセス素子の各々に連結された少なくとも2つの相変化メモリセルであって、前記少なくとも2つの相変化メモリセル の各々は、連結されたセル選択線からのセル選択信号を介し、かつ、連結された関連する1つのアクセス素子の活性化により選択されると、電流を通すように設定されている、前記少なくとも2つの相変化メモリセルと、
選択されたメモリセルと選択されなかったメモリセルとの間の並列のリーク電流を阻止するように各々が設定されている、前記少なくとも2つの相変化メモリセル の各々に接続された1つの整流素子と、
を含む、相変化メモリデバイス。
前記複数のアクセス素子の各々に連結された第1および第2の相変化メモリセルであって、前記セルの各々は、連結されたセル選択線からのセル選択信号を介し、かつ、連結された関連する1つのアクセス素子の活性化により選択されると、電流を通すように設定され、ならびに、前記第1のセルは積層されたメモリセルの第1の対の下部のセルであり、前記第2のセルは積層されたメモリセルの第2の対の上部のセルである、前記第1および第2の相変化メモリセルと、
選択されたメモリセルと選択されなかったメモリセルとの間の並列のリーク電流を阻止するように各々が設定されている、前記メモリセルの各々に接続された1つの整流素子と、
を含む、相変化メモリデバイス。
前記プロセッサに連結された抵抗変化を利用したメモリであって、
前記抵抗変化を利用したメモリは、
複数のアクセス素子の少なくとも1つのアレイと、
前記複数のアクセス素子の各々に連結された少なくとも2つの、抵抗変化を利用したメモリセルであって、前記少なくとも2つの、抵抗変化を利用したメモリセルの各々は、セル選択信号を介し、かつ、連結された関連する1つのアクセス素子の活性化により選択されると、電流を通すように設定されている、前記少なくとも2つの、抵抗変化を利用したメモリセルと、
選択されたメモリセルと選択されなかったメモリセルとの間の並列のリーク電流を阻止するように各々が設定されている、前記メモリセルの各々に接続された1つの整流素子と、
を含む、前記プロセッサに連結された抵抗変化を利用したメモリと、
を含む、処理システム。
ソースおよびドレインが第1のドーパント型にドープされる、前記ソース、前記ドレイン、ならびにゲートを備えるアクセス素子を形成するステップと、
前記アクセス素子の上部に層間誘電体を堆積させるステップと、
前記ドープされたソースもしくはドレインのいずれかに、前記層間誘電体を貫いてビアをエッチングするステップと、
前記ビアの底部に整流素子を形成するために、第2のドーパント型を用いて前記ビアの前記底部をドープするステップと、
前記ビアを充填するステップと、
前記ビアおよび前記整流素子を通じて前記アクセス素子に電気的にそのセルが連結されるように、前記ビアの上方に 抵抗変化を利用したメモリセルを形成するステップと、
を含む、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/806,495 US7684227B2 (en) | 2007-05-31 | 2007-05-31 | Resistive memory architectures with multiple memory cells per access device |
US11/806,495 | 2007-05-31 | ||
PCT/US2008/060592 WO2008150583A2 (en) | 2007-05-31 | 2008-04-17 | Resistive memory architectures with multiple memory cells per access device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010529651A true JP2010529651A (ja) | 2010-08-26 |
JP5553285B2 JP5553285B2 (ja) | 2014-07-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010510389A Expired - Fee Related JP5553285B2 (ja) | 2007-05-31 | 2008-04-17 | 1つのアクセス素子につき複数のメモリセルを備える抵抗変化を利用したメモリのアーキテクチャ |
Country Status (6)
Country | Link |
---|---|
US (9) | US7684227B2 (ja) |
JP (1) | JP5553285B2 (ja) |
KR (1) | KR101083854B1 (ja) |
CN (1) | CN101689403B (ja) |
TW (1) | TWI369010B (ja) |
WO (1) | WO2008150583A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009004000A (ja) * | 2007-06-19 | 2009-01-08 | Elpida Memory Inc | 相変化メモリ装置 |
JP2013544419A (ja) * | 2010-10-07 | 2013-12-12 | クロスバー, インコーポレイテッド | 同時読み出し動作のための回路及びその方法 |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7745231B2 (en) | 2007-04-17 | 2010-06-29 | Micron Technology, Inc. | Resistive memory cell fabrication methods and devices |
KR20090020938A (ko) * | 2007-08-24 | 2009-02-27 | 삼성전자주식회사 | 상변화 메모리 유닛, 이의 제조 방법, 이를 포함하는상변화 메모리 장치 및 그 제조 방법 |
US7961506B2 (en) | 2008-02-05 | 2011-06-14 | Micron Technology, Inc. | Multiple memory cells with rectifying device |
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CN101689403B (zh) | 2015-01-07 |
JP5553285B2 (ja) | 2014-07-16 |
US20100151637A1 (en) | 2010-06-17 |
US20210005811A1 (en) | 2021-01-07 |
CN101689403A (zh) | 2010-03-31 |
US20170069838A1 (en) | 2017-03-09 |
US20180337330A1 (en) | 2018-11-22 |
US20120056146A1 (en) | 2012-03-08 |
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WO2008150583A2 (en) | 2008-12-11 |
US20080298113A1 (en) | 2008-12-04 |
TW200903873A (en) | 2009-01-16 |
KR20100027184A (ko) | 2010-03-10 |
US11349072B2 (en) | 2022-05-31 |
US8976562B2 (en) | 2015-03-10 |
US20150179931A1 (en) | 2015-06-25 |
WO2008150583A3 (en) | 2009-04-30 |
US10797237B2 (en) | 2020-10-06 |
US7684227B2 (en) | 2010-03-23 |
US20200044151A1 (en) | 2020-02-06 |
US9997701B2 (en) | 2018-06-12 |
US20220271224A1 (en) | 2022-08-25 |
US9472755B2 (en) | 2016-10-18 |
TWI369010B (en) | 2012-07-21 |
KR101083854B1 (ko) | 2011-11-15 |
US10424729B2 (en) | 2019-09-24 |
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