[go: up one dir, main page]

Wang et al., 2021 - Google Patents

A novel clock tree aware placement methodology for single flux quantum (SFQ) logic circuits

Wang et al., 2021

Document ID
2746544401896141358
Author
Wang C
Mak W
Publication year
Publication venue
2021 IEEE/ACM International Conference On Computer Aided Design (ICCAD)

External Links

Snippet

In a single-flux-quantum (SFQ) circuit, almost all cells need to receive the clock signal which incurs a high clock routing overhead. Besides, the clock tree of an SFQ circuit requires the insertion of a clock splitter cell at every tree branching point which renders the conventional …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5068—Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5072—Floorplanning, e.g. partitioning, placement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5009—Computer-aided design using simulation
    • G06F17/5022—Logic simulation, e.g. for logic circuit operation
    • G06F17/5031—Timing analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5068—Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5081—Layout analysis, e.g. layout verification, design rule check
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5068—Physical circuit design, e.g. layout for integrated circuits or printed circuit boards
    • G06F17/5077—Routing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5045—Circuit design
    • G06F17/505—Logic synthesis, e.g. technology mapping, optimisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5009—Computer-aided design using simulation
    • G06F17/5036—Computer-aided design using simulation for analog modelling, e.g. for circuits, spice programme, direct methods, relaxation methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • G06F17/5045—Circuit design
    • G06F17/5054—Circuit design for user-programmable logic devices, e.g. field programmable gate arrays [FPGA]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30575—Replication, distribution or synchronisation of data between databases or within a distributed database; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/78—Power analysis and optimization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F1/00—Details of data-processing equipment not covered by groups G06F3/00 - G06F13/00, e.g. cooling, packaging or power supply specially adapted for computer application
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/10—Distribution of clock signals, e.g. skew
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/12—Design for manufacturability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/62—Clock network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/70—Fault tolerant, i.e. transient fault suppression
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/20—Handling natural language data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/84—Timing analysis and optimization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/08—Multi-objective optimization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F2217/00—Indexing scheme relating to computer aided design [CAD]
    • G06F2217/04—CAD in a network environment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled

Similar Documents

Publication Publication Date Title
US10808333B2 (en) Method and apparatus for performing layout designs using stem cells
Warnock et al. The circuit and physical design of the POWER4 microprocessor
US6080201A (en) Integrated placement and synthesis for timing closure of microprocessors
US8572532B1 (en) Common path pessimism removal for hierarchical timing analysis
CN107918694B (en) Method for reducing delay on an integrated circuit
US10467365B1 (en) Systems and methods for calculating common clock path pessimism for hierarchical timing analysis in an electronic design
Berridge et al. IBM POWER6 microprocessor physical design and design methodology
Wang et al. A novel clock tree aware placement methodology for single flux quantum (SFQ) logic circuits
Lee et al. Clock network optimization with multibit flip-flop generation considering multicorner multimode timing constraint
Choy et al. Incremental layout placement modification algorithms
Friedrich et al. Design methodology for the IBM POWER7 microprocessor
Wu et al. Two approaches for timing-driven placement by Lagrangian relaxation
Chen et al. Simultaneous placement with clustering and duplication
US11704467B2 (en) Automated balanced global clock tree synthesis in multi level physical hierarchy
Wang et al. A Novel Clock Tree Aware Placement Methodology for Single Flux Quantum Logic Circuits With Maximum Path Length Consideration
Mo et al. Regular fabrics in deep sub-micron integrated-circuit design
US9177090B1 (en) In-hierarchy circuit analysis and modification for circuit instances
Piatak et al. Open-Source and Non-Commercial Software for Digital ASIC Design
Kutzschebauch et al. Layout driven decomposition with congestion consideration
Murgai Technology-dependent logic optimization
Liu et al. Simultaneous technology mapping and placement for delay minimization
US12190039B1 (en) Incremental clock tree planning
US12175181B1 (en) Timing-aware surgical optimization for engineering change order in chip design
Li et al. AutoTEA: An Automated Transistor-level Efficient and Accurate design tool for FPGA design
Chen et al. Transition-aware decoupling-capacitor allocation in power noise reduction