JP6884103B2 - 3ポートのビットセルのための金属層 - Google Patents
3ポートのビットセルのための金属層 Download PDFInfo
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- JP6884103B2 JP6884103B2 JP2017541025A JP2017541025A JP6884103B2 JP 6884103 B2 JP6884103 B2 JP 6884103B2 JP 2017541025 A JP2017541025 A JP 2017541025A JP 2017541025 A JP2017541025 A JP 2017541025A JP 6884103 B2 JP6884103 B2 JP 6884103B2
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- 229910052751 metal Inorganic materials 0.000 title claims description 240
- 239000002184 metal Substances 0.000 title claims description 240
- 238000000034 method Methods 0.000 claims description 95
- 238000004519 manufacturing process Methods 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 44
- 238000000059 patterning Methods 0.000 claims description 39
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000015654 memory Effects 0.000 description 39
- 238000013461 design Methods 0.000 description 31
- 238000010586 diagram Methods 0.000 description 21
- 238000003860 storage Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000000758 substrate 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
- H10B10/00—Static random access memory [SRAM] devices
- H10B10/12—Static random access memory [SRAM] devices comprising a MOSFET load element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
- G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
- G11C11/418—Address circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
- G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
- G11C11/419—Read-write [R-W] circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/14—Word line organisation; Word line lay-out
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/16—Multiple access memory array, e.g. addressing one storage element via at least two independent addressing line groups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/528—Geometry or layout of the interconnection structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B10/00—Static random access memory [SRAM] devices
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Semiconductor Memories (AREA)
- Static Random-Access Memory (AREA)
Description
本出願は、その全体が参考として本明細書に明示的に組み込まれている、2015年2月12日に出願された、同一出願人が所有する米国非仮特許出願第14/620,480号の優先権を主張するものである。
110 記憶ラッチ
112 インバータ
114 インバータ
121 第1の書込みトランジスタ
122 第2の書込みトランジスタ
123 第1の読取り駆動トランジスタ
124 第2の読取り駆動トランジスタ
125 第1の読取りトランジスタ
126 第2の読取りトランジスタ
131 第1の読取りビット線
132 第2の読取りビット線
133 第1の読取りワード線
134 第2の読取りワード線
135 第1の書込みビット線
136 第2の書込みビット線
137 書込みワード線
200 第1のレイアウト図
300 第2のレイアウト図
400 第3のレイアウト図
500 方法
600 電子デバイス
610 プロセッサ
622 移動局モデム
626 ディスプレイコントローラ
628 ディスプレイ
630 入力デバイス
632 メモリ
634 コーデック
636 スピーカー
638 マイクロフォン
640 ワイヤレスコントローラ
642 アンテナ
644 電源
664 SRAMデバイス
700 電子デバイス製造プロセス
702 物理デバイス情報
704 ユーザインターフェース
706 研究用コンピュータ
708 プロセッサ
710 メモリ
712 ライブラリファイル
714 設計用コンピュータ
716 プロセッサ
718 メモリ
720 EDAツール
722 回路設計情報
724 ユーザインターフェース
726 GDSIIファイル
728 製作プロセス
730 マスク製造業者
732 マスク
733 ウェハ
734 プロセッサ
735 メモリ
736 ダイ
738 パッケージングプロセス
740 パッケージ
742 PCB設計情報
744 ユーザインターフェース
746 コンピュータ
748 プロセッサ
750 メモリ
752 GERBERファイル
754 基板組立プロセス
756 PCB
758 PCA
760 製品製造プロセス
762 第1の代表的な電子デバイス1
764 第2の代表的な電子デバイス2
Claims (10)
- ビットセルに結合され、前記ビットセルのポリゲートの長さに対して垂直な方向の長さを有する第1の金属層と、
前記ビットセルに結合され、前記ポリゲートの長さと平行な方向の長さを有する、書込みワード線を含む第3の金属層と、
前記第1の金属層と前記第3の金属層との間の第2の金属層であって、前記第2の金属層が、前記ビットセルに結合される2本の読取りワード線を含み、前記第2の金属層が前記ポリゲートの長さと平行な方向の長さを有する、第2の金属層と、
前記第1の金属層を前記第2の金属層に接続する第1のビアと、
前記第2の金属層を前記第3の金属層に接続する第2のビアとを備え、
前記第1の金属層及び前記第2の金属層が前記第3の金属層よりも狭いピッチを有し、前記書込みワード線の幅が前記2本の読取りワード線の幅よりも大きく、
前記書込みワード線が、前記2本の読取りワード線の間に配置され、
前記書込みワード線が、前記ビットセルを覆う幅を有し、
前記書込みワード線が、前記第1のビア及び前記第2のビアを介して前記ビットセルに結合される、装置。 - 前記ビットセルが3ポートのビットセルである、請求項1に記載の装置。
- 前記ビットセルが半導体製造プロセスを使用して製造され、前記半導体製造プロセスがサブ14ナノメートル(nm)プロセスである、請求項1に記載の装置。
- 前記第2の金属層がジョグを含まない、請求項1に記載の装置。
- ビットセルにおいて、前記ビットセルのポリゲートの長さに対して垂直な方向の長さを有する第1の金属層をパターニングするステップと、
第3の金属層をパターニングするステップであって、前記第3の金属層が前記ビットセルに結合される書込みワード線を含み、前記第3の金属層が前記ポリゲートの長さと平行な方向の長さを有する、ステップと、
前記第1の金属層と前記第3の金属層との間に第2の金属層をパターニングするステップであって、前記第2の金属層が前記ビットセルに結合される2本の読取りワード線を含み、前記第2の金属層が前記ポリゲートの長さと平行な方向の長さを有する、ステップと、
第1のビアを形成するステップであって、前記第1のビアが前記第1の金属層を前記第2の金属層に接続する、ステップと、
第2のビアを形成するステップであって、前記第2のビアが前記第2の金属層を前記第3の金属層に接続する、ステップとを備え、
前記第1の金属層及び前記第2の金属層が前記第3の金属層よりも狭いピッチを有し、前記書込みワード線の幅が前記第2の金属層の前記2本の読取りワード線の幅よりも大きく、
前記書込みワード線が、前記2本の読取りワード線の間に配置され、
前記書込みワード線が、前記ビットセルを覆う幅を有し、
前記書込みワード線が、前記第1のビア及び前記第2のビアを介して前記ビットセルに結合される、方法。 - 前記ビットセルが3ポートのビットセルである、請求項5に記載の方法。
- 前記ビットセルが半導体製造プロセスを使用して製造され、前記半導体製造プロセスがサブ14ナノメートル(nm)プロセスである、請求項5に記載の方法。
- 前記第1の金属層、前記第2の金属層、および前記第3の金属層が、self−aligned double patterning (SADP)プロセスを使用してパターニングされる、請求項5に記載の方法。
- 前記第2の金属層がジョグを含まない、請求項5に記載の方法。
- プロセッサによって実行されると、前記プロセッサに、請求項5から9のいずれか一項に記載の方法を開始させる、命令を備える非一時的コンピュータ可読媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/620,480 US9524972B2 (en) | 2015-02-12 | 2015-02-12 | Metal layers for a three-port bit cell |
US14/620,480 | 2015-02-12 | ||
PCT/US2015/062644 WO2016130194A1 (en) | 2015-02-12 | 2015-11-25 | Metal layers for a three-port bit cell |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018508991A JP2018508991A (ja) | 2018-03-29 |
JP2018508991A5 JP2018508991A5 (ja) | 2018-12-13 |
JP6884103B2 true JP6884103B2 (ja) | 2021-06-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017541025A Active JP6884103B2 (ja) | 2015-02-12 | 2015-11-25 | 3ポートのビットセルのための金属層 |
Country Status (9)
Country | Link |
---|---|
US (3) | US9524972B2 (ja) |
EP (1) | EP3257080B1 (ja) |
JP (1) | JP6884103B2 (ja) |
KR (2) | KR102504733B1 (ja) |
CN (1) | CN107210295B (ja) |
BR (1) | BR112017017345B1 (ja) |
HK (1) | HK1244354A1 (ja) |
SG (1) | SG11201705246UA (ja) |
WO (1) | WO2016130194A1 (ja) |
Families Citing this family (15)
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US9524972B2 (en) * | 2015-02-12 | 2016-12-20 | Qualcomm Incorporated | Metal layers for a three-port bit cell |
US9793211B2 (en) | 2015-10-20 | 2017-10-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Dual power structure with connection pins |
US10740531B2 (en) | 2016-11-29 | 2020-08-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Integrated circuit, system for and method of forming an integrated circuit |
US9887127B1 (en) | 2016-12-15 | 2018-02-06 | Globalfoundries Inc. | Interconnection lines having variable widths and partially self-aligned continuity cuts |
US10043703B2 (en) * | 2016-12-15 | 2018-08-07 | Globalfoundries Inc. | Apparatus and method for forming interconnection lines having variable pitch and variable widths |
US10002786B1 (en) | 2016-12-15 | 2018-06-19 | Globalfoundries Inc. | Interconnection cells having variable width metal lines and fully-self aligned variable length continuity cuts |
US9978682B1 (en) * | 2017-04-13 | 2018-05-22 | Qualcomm Incorporated | Complementary metal oxide semiconductor (CMOS) standard cell circuits employing metal lines in a first metal layer used for routing, and related methods |
CN112216323B (zh) | 2017-09-04 | 2024-06-14 | 华为技术有限公司 | 一种存储单元和静态随机存储器 |
US10410714B2 (en) * | 2017-09-20 | 2019-09-10 | Qualcomm Incorporated | Multi-level cell (MLC) static random access memory (SRAM) (MLC SRAM) cells configured to perform multiplication operations |
CN111554336A (zh) * | 2019-02-12 | 2020-08-18 | 联华电子股份有限公司 | 静态随机存取存储器单元 |
US11361817B2 (en) | 2020-08-25 | 2022-06-14 | Qualcomm Incorporated | Pseudo-triple-port SRAM bitcell architecture |
US11302388B2 (en) | 2020-08-25 | 2022-04-12 | Qualcomm Incorporated | Decoding for pseudo-triple-port SRAM |
US11398274B2 (en) | 2020-08-25 | 2022-07-26 | Qualcomm Incorporated | Pseudo-triple-port SRAM |
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US11955169B2 (en) * | 2021-03-23 | 2024-04-09 | Qualcomm Incorporated | High-speed multi-port memory supporting collision |
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2015
- 2015-02-12 US US14/620,480 patent/US9524972B2/en active Active
- 2015-11-25 KR KR1020177021683A patent/KR102504733B1/ko active IP Right Grant
- 2015-11-25 CN CN201580075694.8A patent/CN107210295B/zh active Active
- 2015-11-25 KR KR1020227018296A patent/KR20220076545A/ko not_active Application Discontinuation
- 2015-11-25 JP JP2017541025A patent/JP6884103B2/ja active Active
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JP2018508991A (ja) | 2018-03-29 |
CN107210295A (zh) | 2017-09-26 |
KR102504733B1 (ko) | 2023-02-27 |
WO2016130194A1 (en) | 2016-08-18 |
KR20220076545A (ko) | 2022-06-08 |
US10141317B2 (en) | 2018-11-27 |
EP3257080C0 (en) | 2023-08-02 |
BR112017017345B1 (pt) | 2022-12-06 |
SG11201705246UA (en) | 2017-09-28 |
US20190035796A1 (en) | 2019-01-31 |
CN107210295B (zh) | 2020-11-20 |
HK1244354A1 (zh) | 2018-08-03 |
EP3257080A1 (en) | 2017-12-20 |
BR112017017345A2 (pt) | 2018-04-10 |
KR20170116021A (ko) | 2017-10-18 |
EP3257080B1 (en) | 2023-08-02 |
US20160240539A1 (en) | 2016-08-18 |
US20170062439A1 (en) | 2017-03-02 |
US9524972B2 (en) | 2016-12-20 |
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