CN101206686B - 设计时钟域中锁存器的布图的方法和系统 - Google Patents
设计时钟域中锁存器的布图的方法和系统 Download PDFInfo
- Publication number
- CN101206686B CN101206686B CN2007101699140A CN200710169914A CN101206686B CN 101206686 B CN101206686 B CN 101206686B CN 2007101699140 A CN2007101699140 A CN 2007101699140A CN 200710169914 A CN200710169914 A CN 200710169914A CN 101206686 B CN101206686 B CN 101206686B
- Authority
- CN
- China
- Prior art keywords
- latch
- clock
- layout
- lcb
- butut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Architecture (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/610,567 | 2006-12-14 | ||
US11/610,567 US7549137B2 (en) | 2006-12-14 | 2006-12-14 | Latch placement for high performance and low power circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101206686A CN101206686A (zh) | 2008-06-25 |
CN101206686B true CN101206686B (zh) | 2012-07-04 |
Family
ID=39529145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101699140A Expired - Fee Related CN101206686B (zh) | 2006-12-14 | 2007-11-08 | 设计时钟域中锁存器的布图的方法和系统 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7549137B2 (zh) |
CN (1) | CN101206686B (zh) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7448012B1 (en) | 2004-04-21 | 2008-11-04 | Qi-De Qian | Methods and system for improving integrated circuit layout |
US8205182B1 (en) * | 2007-08-22 | 2012-06-19 | Cadence Design Systems, Inc. | Automatic synthesis of clock distribution networks |
US7818692B2 (en) * | 2007-11-29 | 2010-10-19 | International Business Machines Corporation | Automated optimization of device structure during circuit design stage |
US8104014B2 (en) * | 2008-01-30 | 2012-01-24 | International Business Machines Corporation | Regular local clock buffer placement and latch clustering by iterative optimization |
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 |
CN101877014B (zh) * | 2009-04-30 | 2012-07-25 | 国际商业机器公司 | 一种检测时序约束冲突的方法和装置 |
US8819094B2 (en) * | 2009-06-10 | 2014-08-26 | Synopsys, Inc. | Multiplicative division circuit with reduced area |
US8683411B2 (en) * | 2010-08-27 | 2014-03-25 | International Business Machines Corporation | Electronic design automation object placement with partially region-constrained objects |
US8458634B2 (en) | 2010-10-27 | 2013-06-04 | International Business Machines Corporation | Latch clustering with proximity to local clock buffers |
US8667441B2 (en) | 2010-11-16 | 2014-03-04 | International Business Machines Corporation | Clock optimization with local clock buffer control optimization |
US8725483B2 (en) | 2011-01-19 | 2014-05-13 | International Business Machines Corporation | Minimizing the maximum required link capacity for three-dimensional interconnect routing |
JP2012174226A (ja) * | 2011-02-24 | 2012-09-10 | Renesas Electronics Corp | 半導体集積回路のレイアウト設計方法 |
US8856495B2 (en) | 2011-07-25 | 2014-10-07 | International Business Machines Corporation | Automatically routing super-compute interconnects |
US8984467B2 (en) | 2011-08-17 | 2015-03-17 | Synopsys, Inc. | Method and apparatus for automatic relative placement generation for clock trees |
US8490039B2 (en) | 2011-12-09 | 2013-07-16 | International Business Machines Corporation | Distributing spare latch circuits in integrated circuit designs |
US20130326451A1 (en) | 2012-06-01 | 2013-12-05 | International Business Machines Corporation | Structured Latch and Local-Clock-Buffer Planning |
US8677305B2 (en) * | 2012-06-04 | 2014-03-18 | International Business Machines Corporation | Designing a robust power efficient clock distribution network |
CN102955877B (zh) * | 2012-08-16 | 2015-02-18 | 清华大学 | 针对tsv互连的三维集成电路时钟拓扑结构产生方法 |
US8775996B2 (en) | 2012-11-19 | 2014-07-08 | International Business Machines Corporation | Direct current circuit analysis based clock network design |
JP6070100B2 (ja) * | 2012-11-19 | 2017-02-01 | 株式会社ソシオネクスト | 回路設計方法、回路設計プログラムおよび回路設計装置 |
US8954912B2 (en) | 2012-11-29 | 2015-02-10 | International Business Machines Corporation | Structured placement of latches/flip-flops to minimize clock power in high-performance designs |
US8677299B1 (en) | 2013-01-08 | 2014-03-18 | International Business Machines Corporation | Latch clustering with proximity to local clock buffers |
US10379161B2 (en) * | 2013-06-17 | 2019-08-13 | Mentor Graphics Corporation | Scan chain stitching for test-per-clock |
US9098669B1 (en) | 2014-01-10 | 2015-08-04 | International Business Machines Corporation | Boundary latch and logic placement to satisfy timing constraints |
US9361417B2 (en) | 2014-02-07 | 2016-06-07 | Synopsys, Inc. | Placement of single-bit and multi-bit flip-flops |
US10552740B2 (en) | 2014-11-10 | 2020-02-04 | International Business Machines Corporation | Fault-tolerant power-driven synthesis |
US9495501B1 (en) * | 2016-01-29 | 2016-11-15 | International Business Machines Corporation | Large cluster persistence during placement optimization of integrated circuit designs |
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 |
US10289797B1 (en) * | 2017-08-28 | 2019-05-14 | Cadence Design Systems, Inc. | Local cluster refinement |
US10417375B2 (en) | 2017-08-29 | 2019-09-17 | International Business Machines Corporation | Time-driven placement and/or cloning of components for an integrated circuit |
US10558775B2 (en) | 2017-12-20 | 2020-02-11 | International Business Machines Corporation | Memory element graph-based placement in integrated circuit design |
US10902178B1 (en) * | 2019-09-10 | 2021-01-26 | International Business Machines Corporation | Wire orientation-based latch shuddling |
US10878152B1 (en) | 2019-09-11 | 2020-12-29 | International Business Machines Corporation | Single-bit latch optimization for integrated circuit (IC) design |
US10831967B1 (en) * | 2019-09-11 | 2020-11-10 | International Business Machines Corporation | Local clock buffer controller placement and connectivity |
US11030367B2 (en) | 2019-09-11 | 2021-06-08 | International Business Machines Corporation | Out-of-context feedback hierarchical large block synthesis (HLBS) optimization |
US10943040B1 (en) | 2019-09-11 | 2021-03-09 | International Business Machines Corporation | Clock gating latch placement |
US10831966B1 (en) | 2019-09-11 | 2020-11-10 | International Business Machines Corporation | Multi-fanout latch placement optimization for integrated circuit (IC) design |
US11030376B2 (en) | 2019-09-11 | 2021-06-08 | International Business Machines Corporation | Net routing for integrated circuit (IC) design |
CN114861591B (zh) * | 2022-07-07 | 2022-09-27 | 北京大学 | 一种可微分时序驱动的芯片布局优化方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1804849A (zh) * | 2006-01-19 | 2006-07-19 | 复旦大学 | 多时钟系统的平面布图规划方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6442739B1 (en) | 1998-05-01 | 2002-08-27 | Cadence Design Systems, Inc. | System and method for timing abstraction of digital logic circuits |
JP2001022816A (ja) | 1999-07-12 | 2001-01-26 | Matsushita Electric Ind Co Ltd | 半導体集積回路装置のレイアウト方法 |
US6973632B1 (en) * | 2002-06-11 | 2005-12-06 | Synplicity, Inc. | Method and apparatus to estimate delay for logic circuit optimization |
US6920625B2 (en) | 2003-04-24 | 2005-07-19 | International Business Machines Corporation | Method and apparatus for optimum transparent latch placement in a macro design |
US7020861B2 (en) | 2003-07-17 | 2006-03-28 | International Business Machines Corporation | Latch placement technique for reduced clock signal skew |
US7257782B2 (en) * | 2004-10-22 | 2007-08-14 | Synopsys, Inc. | Method and apparatus for reducing power consumption in an integrated circuit chip |
-
2006
- 2006-12-14 US US11/610,567 patent/US7549137B2/en active Active
-
2007
- 2007-11-08 CN CN2007101699140A patent/CN101206686B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1804849A (zh) * | 2006-01-19 | 2006-07-19 | 复旦大学 | 多时钟系统的平面布图规划方法 |
Also Published As
Publication number | Publication date |
---|---|
US7549137B2 (en) | 2009-06-16 |
CN101206686A (zh) | 2008-06-25 |
US20080148203A1 (en) | 2008-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101206686B (zh) | 设计时钟域中锁存器的布图的方法和系统 | |
CN101187957B (zh) | 设计集成电路的公共时钟域中的多个锁存器的布图的系统和方法 | |
CN100423012C (zh) | 确定缓冲器插入的方法和系统 | |
US8595674B2 (en) | Architectural physical synthesis | |
US7266796B1 (en) | Fastplace method for integrated circuit design | |
KR100249251B1 (ko) | 논리회로 최적화 장치 및 그 방법 | |
US8819608B2 (en) | Architectural physical synthesis | |
US6553338B1 (en) | Timing optimization in presence of interconnect delays | |
US20030005398A1 (en) | Timing-driven global placement based on geometry-aware timing budgets | |
US8782591B1 (en) | Physically aware logic synthesis of integrated circuit designs | |
Papa et al. | Physical synthesis with clock-network optimization for large systems on chips | |
JP2002500435A (ja) | タイミング閉鎖方法 | |
US6397169B1 (en) | Adaptive cell separation and circuit changes driven by maximum capacitance rules | |
US6766500B1 (en) | Multiple pass optimization for automatic electronic circuit placement | |
US7100140B2 (en) | Generation of graphical congestion data during placement driven synthesis optimization | |
Murali et al. | ART-3D: Analytical 3D placement with reinforced parameter tuning for monolithic 3D ICs | |
Coudert | Timing and design closure in physical design flows | |
US12079558B2 (en) | On-the-fly multi-bit flip flop generation | |
US6968524B2 (en) | Method and apparatus to optimize an integrated circuit design using transistor folding | |
Pandini et al. | Congestion-aware logic synthesis | |
Lin et al. | An incremental placement flow for advanced FPGAs with timing awareness | |
Kutzschebauch et al. | Layout driven decomposition with congestion consideration | |
US11836000B1 (en) | Automatic global clock tree synthesis | |
US6757885B1 (en) | Length matrix generator for register transfer level code | |
US20220004688A1 (en) | Systems And Methods For Circuit Design Dependent Programmable Maximum Junction Temperatures |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171106 Address after: Grand Cayman, Cayman Islands Patentee after: GLOBALFOUNDRIES INC. Address before: American New York Patentee before: Core USA second LLC Effective date of registration: 20171106 Address after: American New York Patentee after: Core USA second LLC Address before: American New York Patentee before: International Business Machines Corp. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20191108 |
|
CF01 | Termination of patent right due to non-payment of annual fee |