CN104750906A - 用于调节时钟网络的系统和方法 - Google Patents
用于调节时钟网络的系统和方法 Download PDFInfo
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- CN104750906A CN104750906A CN201410835814.7A CN201410835814A CN104750906A CN 104750906 A CN104750906 A CN 104750906A CN 201410835814 A CN201410835814 A CN 201410835814A CN 104750906 A CN104750906 A CN 104750906A
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- 238000000034 method Methods 0.000 title claims description 53
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 10
- 230000010354 integration Effects 0.000 claims description 7
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- 238000000605 extraction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 239000000284 extract Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 3
- 238000012731 temporal analysis Methods 0.000 description 3
- 238000000700 time series analysis Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
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- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/396—Clock trees
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/32—Circuit design at the digital level
- G06F30/33—Design verification, e.g. functional simulation or model checking
- G06F30/3308—Design verification, e.g. functional simulation or model checking using simulation
- G06F30/3312—Timing analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/394—Routing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/12—Timing analysis or timing optimisation
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Architecture (AREA)
- Computer Networks & Wireless Communication (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
XxL3_5905p600_8p100clk_L4_in1clk_L3_out1VDD VSS xp_ckinv64 |
Claims (35)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/141,104 | 2013-12-26 | ||
US14/141,104 US9305129B2 (en) | 2013-12-26 | 2013-12-26 | System for and method of tuning clock networks constructed using variable drive-strength clock inverters with variable drive-strength clock drivers built out of a smaller subset of base cells |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104750906A true CN104750906A (zh) | 2015-07-01 |
Family
ID=53482083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410835814.7A Pending CN104750906A (zh) | 2013-12-26 | 2014-12-26 | 用于调节时钟网络的系统和方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9305129B2 (zh) |
JP (1) | JP6544923B2 (zh) |
KR (1) | KR20150076133A (zh) |
CN (1) | CN104750906A (zh) |
HK (1) | HK1207438A1 (zh) |
TW (1) | TWI661325B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106209681A (zh) * | 2016-06-28 | 2016-12-07 | 华为技术有限公司 | 一种队列管理方法和装置 |
CN106649898A (zh) * | 2015-10-29 | 2017-05-10 | 京微雅格(北京)科技有限公司 | 一种加法器的打包布局方法 |
CN108614796A (zh) * | 2016-12-12 | 2018-10-02 | 中国航空工业集团公司西安航空计算技术研究所 | 加速1394物理层虚拟仿真的方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9443053B2 (en) | 2013-12-26 | 2016-09-13 | Cavium, Inc. | System for and method of placing clock stations using variable drive-strength clock drivers built out of a smaller subset of base cells for hybrid tree-mesh clock distribution networks |
US9390209B2 (en) * | 2013-12-26 | 2016-07-12 | Cavium, Inc. | System for and method of combining CMOS inverters of multiple drive strengths to create tune-able clock inverters of variable drive strengths in hybrid tree-mesh clock distribution networks |
US9305129B2 (en) | 2013-12-26 | 2016-04-05 | Cavium, Inc. | System for and method of tuning clock networks constructed using variable drive-strength clock inverters with variable drive-strength clock drivers built out of a smaller subset of base cells |
CN106960087B (zh) * | 2017-03-13 | 2020-05-19 | 上海华力微电子有限公司 | 一种时钟分布网络结构及其生成方法 |
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JPH10242396A (ja) * | 1997-03-03 | 1998-09-11 | Mitsubishi Electric Corp | クロックドライバ回路及び半導体集積回路装置 |
JPH10246754A (ja) * | 1997-03-03 | 1998-09-14 | Mitsubishi Electric Corp | クロックドライバ回路及び半導体集積回路装置 |
US6166564A (en) * | 1999-07-09 | 2000-12-26 | Intel Corporation | Control circuit for clock enable staging |
US6434731B1 (en) * | 1999-10-26 | 2002-08-13 | International Business Machines Corporation | Automated placement of signal distribution to diminish skew among same capacitance targets in integrated circuits |
US6629298B1 (en) * | 1999-11-10 | 2003-09-30 | International Business Machines Corporation | Automated programmable process and method for the improvement of electrical digital signal transition rates in a VLSI design |
US6574781B1 (en) * | 2000-08-21 | 2003-06-03 | Oki Electric Industry Co., Ltd. | Design methodology for inserting RAM clock delays |
JP3420195B2 (ja) * | 2000-09-26 | 2003-06-23 | エヌイーシーマイクロシステム株式会社 | クロック配線の設計方法 |
JP2002198430A (ja) * | 2000-12-26 | 2002-07-12 | Nec Microsystems Ltd | 駆動力可変ブロックおよびこれを用いたlsi設計方法 |
US6698006B1 (en) * | 2001-12-14 | 2004-02-24 | Sequence Design, Inc. | Method for balanced-delay clock tree insertion |
US6763513B1 (en) * | 2001-12-18 | 2004-07-13 | Cadence Design Systems, Inc. | Clock tree synthesizer for balancing reconvergent and crossover clock trees |
US6981233B2 (en) * | 2003-02-24 | 2005-12-27 | Cadence Design Systems, Inc. | Method for analyzing path delays in an IC clock tree |
US6951002B2 (en) * | 2003-06-05 | 2005-09-27 | International Business Machines Corporation | Design techniques for analyzing integrated circuit device characteristics |
US7810061B2 (en) * | 2004-09-17 | 2010-10-05 | Cadence Design Systems, Inc. | Method and system for creating a useful skew for an electronic circuit |
US20060080632A1 (en) * | 2004-09-30 | 2006-04-13 | Mathstar, Inc. | Integrated circuit layout having rectilinear structure of objects |
TWI274266B (en) * | 2005-05-26 | 2007-02-21 | Faraday Tech Corp | Verilog HDL simulation model for retain time |
US7761275B2 (en) * | 2005-12-19 | 2010-07-20 | International Business Machines Corporation | Synthesizing current source driver model for analysis of cell characteristics |
US20080229266A1 (en) * | 2006-12-14 | 2008-09-18 | International Business Machines Corporation | Design Structure for a Clock Distribution Network, Structure, and Method for Providing Balanced Loading in Integrated Circuit Clock Trees |
JP2009187104A (ja) * | 2008-02-04 | 2009-08-20 | Panasonic Corp | 半導体集積回路 |
JP5045595B2 (ja) * | 2008-07-28 | 2012-10-10 | 富士通株式会社 | 回路設計支援装置、回路設計支援プログラム、回路設計支援方法 |
JP4784786B2 (ja) * | 2009-03-27 | 2011-10-05 | 日本電気株式会社 | クロック分配回路及びクロックスキュー調整方法 |
JP4918934B2 (ja) * | 2009-08-21 | 2012-04-18 | 日本電気株式会社 | 半導体集積回路の遅延解析装置及び遅延解析方法並びにそのプログラム |
US9219005B2 (en) | 2011-06-28 | 2015-12-22 | Monolithic 3D Inc. | Semiconductor system and device |
US8957398B2 (en) | 2010-12-22 | 2015-02-17 | Easic Corporation | Via-configurable high-performance logic block involving transistor chains |
US8627263B2 (en) | 2011-02-23 | 2014-01-07 | International Business Machines Corporation | Gate configuration determination and selection from standard cell library |
US8407654B2 (en) | 2011-02-23 | 2013-03-26 | International Business Machines Corporation | Glitch power reduction |
US8536921B2 (en) | 2011-08-16 | 2013-09-17 | Lsi Corporation | Uniform-footprint programmable-skew multi-stage delay cell |
US8461893B2 (en) | 2011-08-16 | 2013-06-11 | Lsi Corporation | Uniform-footprint programmable multi-stage delay cell |
US8984467B2 (en) * | 2011-08-17 | 2015-03-17 | Synopsys, Inc. | Method and apparatus for automatic relative placement generation for clock trees |
TWI472941B (zh) * | 2012-04-18 | 2015-02-11 | Global Unichip Corp | 晶片輸出入設計的方法 |
US8629548B1 (en) * | 2012-10-11 | 2014-01-14 | Easic Corporation | Clock network fishbone architecture for a structured ASIC manufactured on a 28 NM CMOS process lithographic node |
US9305129B2 (en) | 2013-12-26 | 2016-04-05 | Cavium, Inc. | System for and method of tuning clock networks constructed using variable drive-strength clock inverters with variable drive-strength clock drivers built out of a smaller subset of base cells |
US9443053B2 (en) | 2013-12-26 | 2016-09-13 | Cavium, Inc. | System for and method of placing clock stations using variable drive-strength clock drivers built out of a smaller subset of base cells for hybrid tree-mesh clock distribution networks |
-
2013
- 2013-12-26 US US14/141,104 patent/US9305129B2/en not_active Expired - Fee Related
-
2014
- 2014-12-25 TW TW103145439A patent/TWI661325B/zh active
- 2014-12-25 JP JP2014263371A patent/JP6544923B2/ja active Active
- 2014-12-26 KR KR1020140191072A patent/KR20150076133A/ko not_active Application Discontinuation
- 2014-12-26 CN CN201410835814.7A patent/CN104750906A/zh active Pending
-
2015
- 2015-08-18 HK HK15107952.4A patent/HK1207438A1/zh unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106649898A (zh) * | 2015-10-29 | 2017-05-10 | 京微雅格(北京)科技有限公司 | 一种加法器的打包布局方法 |
CN106649898B (zh) * | 2015-10-29 | 2019-12-13 | 京微雅格(北京)科技有限公司 | 一种加法器的打包布局方法 |
CN106209681A (zh) * | 2016-06-28 | 2016-12-07 | 华为技术有限公司 | 一种队列管理方法和装置 |
US10951551B2 (en) | 2016-06-28 | 2021-03-16 | Huawei Technologies Co., Ltd. | Queue management method and apparatus |
CN108614796A (zh) * | 2016-12-12 | 2018-10-02 | 中国航空工业集团公司西安航空计算技术研究所 | 加速1394物理层虚拟仿真的方法 |
CN108614796B (zh) * | 2016-12-12 | 2021-06-01 | 中国航空工业集团公司西安航空计算技术研究所 | 加速1394物理层虚拟仿真的方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI661325B (zh) | 2019-06-01 |
US9305129B2 (en) | 2016-04-05 |
JP6544923B2 (ja) | 2019-07-17 |
KR20150076133A (ko) | 2015-07-06 |
US20150186583A1 (en) | 2015-07-02 |
JP2015125779A (ja) | 2015-07-06 |
HK1207438A1 (zh) | 2016-01-29 |
TW201541272A (zh) | 2015-11-01 |
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Owner name: CAVIUM INC. Free format text: FORMER OWNER: XPLIANT INC. Effective date: 20150716 |
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Effective date of registration: 20150716 Address after: American California Applicant after: CAVIUM INC. Address before: American California Applicant before: Xi Puliante company |
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