CN104881507B - 修复电路中的保持时间违例的方法和装置 - Google Patents
修复电路中的保持时间违例的方法和装置 Download PDFInfo
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- CN104881507B CN104881507B CN201410072528.XA CN201410072528A CN104881507B CN 104881507 B CN104881507 B CN 104881507B CN 201410072528 A CN201410072528 A CN 201410072528A CN 104881507 B CN104881507 B CN 104881507B
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Classifications
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- 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
- G06F30/398—Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
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- 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
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- 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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- 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
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- G06F30/32—Circuit design at the digital level
- G06F30/33—Design verification, e.g. functional simulation or model checking
- G06F30/3323—Design verification, e.g. functional simulation or model checking using formal methods, e.g. equivalence checking or property checking
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- G06F30/39—Circuit design at the physical level
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410072528.XA CN104881507B (zh) | 2014-02-28 | 2014-02-28 | 修复电路中的保持时间违例的方法和装置 |
US14/633,477 US9727684B2 (en) | 2014-02-28 | 2015-02-27 | Method and apparatus for physical-aware hold violation fixing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410072528.XA CN104881507B (zh) | 2014-02-28 | 2014-02-28 | 修复电路中的保持时间违例的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104881507A CN104881507A (zh) | 2015-09-02 |
CN104881507B true CN104881507B (zh) | 2018-01-19 |
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CN201410072528.XA Expired - Fee Related CN104881507B (zh) | 2014-02-28 | 2014-02-28 | 修复电路中的保持时间违例的方法和装置 |
Country Status (2)
Country | Link |
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US (1) | US9727684B2 (zh) |
CN (1) | CN104881507B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105787213B (zh) * | 2016-04-01 | 2019-02-05 | 中国人民解放军国防科学技术大学 | 一种保持时间违反的修复方法 |
CN108009055B (zh) * | 2016-10-31 | 2020-05-12 | 深圳市中兴微电子技术有限公司 | 一种修复保持时间违例的方法和装置 |
CN108983870B (zh) * | 2017-05-31 | 2021-12-28 | 深圳市中兴微电子技术有限公司 | 一种时间修复方法和装置 |
US10318699B1 (en) * | 2017-06-13 | 2019-06-11 | Xilinx, Inc. | Fixing hold time violations using hold time budgets and slacks of setup times |
CN107862132B (zh) * | 2017-11-06 | 2020-11-27 | 电子科技大学 | 一种用于电路近似计算的自动化节点删除方法 |
CN110377922B (zh) * | 2018-04-12 | 2023-06-30 | 龙芯中科技术股份有限公司 | 保持时间违例修复方法、装置及设备 |
CN109829474B (zh) * | 2018-12-27 | 2020-12-22 | 北京邮电大学 | 一种电路图识别方法 |
CN110111020B (zh) * | 2019-05-16 | 2021-03-02 | 天津飞腾信息技术有限公司 | 基于自动评估建立时间余量的保持时间修复方法、系统及介质 |
CN110598235B (zh) * | 2019-06-25 | 2023-04-18 | 眸芯科技(上海)有限公司 | 芯片设计中修复时序违例的方法及系统 |
US11836425B2 (en) * | 2020-02-18 | 2023-12-05 | Synopsys, Inc. | Engineering change orders with consideration of adversely affected constraints |
CN111931453A (zh) * | 2020-07-15 | 2020-11-13 | 深圳市紫光同创电子有限公司 | 数据路径的修复方法、fpga电路、fpga电路设计装置 |
CN111931452A (zh) * | 2020-07-15 | 2020-11-13 | 深圳市紫光同创电子有限公司 | 数据路径的修复方法、fpga电路、fpga电路设计装置 |
CN112232005B (zh) * | 2020-09-25 | 2023-03-28 | 山东云海国创云计算装备产业创新中心有限公司 | 一种保持时间违例修复方法、系统、设备及存储介质 |
CN112131810B (zh) * | 2020-09-29 | 2024-03-22 | 飞腾信息技术有限公司 | 建立时间违例修复方法、装置、电子设备及可读存储介质 |
CN112270156B (zh) * | 2020-10-21 | 2021-10-12 | 成都海光集成电路设计有限公司 | 一种时序分析方法、装置、电子设备及存储介质 |
CN114861578B (zh) * | 2022-07-05 | 2022-10-11 | 飞腾信息技术有限公司 | 保持时间违例修复方法、装置、设备及存储介质 |
CN115017846B (zh) * | 2022-07-15 | 2022-11-18 | 飞腾信息技术有限公司 | 基于接口的时序修复方法、设备及介质 |
CN116681011B (zh) * | 2023-08-03 | 2023-11-07 | 飞腾信息技术有限公司 | 时间违例修复方法、装置、计算机设备及存储介质 |
CN117131825B (zh) * | 2023-10-27 | 2024-01-30 | 中科亿海微电子科技(苏州)有限公司 | 一种基于建立时间的修复布线方法及装置 |
Citations (4)
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US6550044B1 (en) * | 2001-06-19 | 2003-04-15 | Lsi Logic Corporation | Method in integrating clock tree synthesis and timing optimization for an integrated circuit design |
CN1985257A (zh) * | 2004-05-28 | 2007-06-20 | 高通股份有限公司 | 用于修改电路设计中的保持时间违反的方法和设备 |
CN101241523A (zh) * | 2008-03-10 | 2008-08-13 | 清华大学 | 全芯片互连线功耗最优的布局阶段缓冲器规划方法 |
CN103164585A (zh) * | 2013-03-29 | 2013-06-19 | 龙芯中科技术有限公司 | 缓冲器的插入方法及装置 |
Family Cites Families (17)
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US5896299A (en) * | 1995-10-13 | 1999-04-20 | Vlsi Technology, Inc. | Method and a system for fixing hold time violations in hierarchical designs |
US6546531B1 (en) * | 2000-10-06 | 2003-04-08 | Sun Microsystems, Inc. | Automatic delay element insertion system for addressing holdtime problems |
JP4237434B2 (ja) | 2001-11-26 | 2009-03-11 | 富士通マイクロエレクトロニクス株式会社 | 集積回路のホールドタイムエラー修正方法及びその修正プログラム |
US7191416B2 (en) * | 2003-01-27 | 2007-03-13 | Stmicroelectronics Limited | System and method for modifying integrated circuit hold times |
US7137081B2 (en) | 2003-12-17 | 2006-11-14 | International Business Machines Corporation | Method and apparatus for performing density-biased buffer insertion in an integrated circuit design |
US7620920B2 (en) * | 2004-07-02 | 2009-11-17 | Hewlett-Packard Development Company, L.P. | Time separated signals |
US7454730B1 (en) * | 2005-12-02 | 2008-11-18 | Sun Microsystems, Inc. | Repeater insertion for concurrent setup time and hold time violations |
US8332793B2 (en) * | 2006-05-18 | 2012-12-11 | Otrsotech, Llc | Methods and systems for placement and routing |
US7590957B2 (en) | 2006-08-24 | 2009-09-15 | Lsi Corporation | Method and apparatus for fixing best case hold time violations in an integrated circuit design |
US7996812B2 (en) * | 2008-08-14 | 2011-08-09 | International Business Machines Corporation | Method of minimizing early-mode violations causing minimum impact to a chip design |
JP5148434B2 (ja) * | 2008-09-22 | 2013-02-20 | ルネサスエレクトロニクス株式会社 | ホールドタイムエラーの収束方法、収束装置、及び収束プログラム |
US8316340B2 (en) | 2009-07-13 | 2012-11-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Fixing full-chip violations using flip-flops |
US8316334B2 (en) | 2010-02-04 | 2012-11-20 | Qualcomm Incorporated | Segment and bipartite graph based apparatus and method to address hold violations in static timing |
CN102467582B (zh) * | 2010-10-29 | 2014-08-13 | 国际商业机器公司 | 一种集成电路设计中优化连线约束的方法和系统 |
US8347250B2 (en) | 2010-12-22 | 2013-01-01 | Advanced Micro Devices, Inc. | Method and apparatus for addressing and improving holds in logic networks |
US8473887B2 (en) * | 2011-03-16 | 2013-06-25 | Oracle America, Inc. | Event scheduler for an electrical circuit design to account for hold time violations |
US9171112B2 (en) * | 2012-12-07 | 2015-10-27 | Synopsys, Inc. | Semiconductor hold time fixing |
-
2014
- 2014-02-28 CN CN201410072528.XA patent/CN104881507B/zh not_active Expired - Fee Related
-
2015
- 2015-02-27 US US14/633,477 patent/US9727684B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6550044B1 (en) * | 2001-06-19 | 2003-04-15 | Lsi Logic Corporation | Method in integrating clock tree synthesis and timing optimization for an integrated circuit design |
CN1985257A (zh) * | 2004-05-28 | 2007-06-20 | 高通股份有限公司 | 用于修改电路设计中的保持时间违反的方法和设备 |
CN101241523A (zh) * | 2008-03-10 | 2008-08-13 | 清华大学 | 全芯片互连线功耗最优的布局阶段缓冲器规划方法 |
CN103164585A (zh) * | 2013-03-29 | 2013-06-19 | 龙芯中科技术有限公司 | 缓冲器的插入方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20150248520A1 (en) | 2015-09-03 |
US9727684B2 (en) | 2017-08-08 |
CN104881507A (zh) | 2015-09-02 |
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