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  • 제품소개
    • DESIGN EXCELLENCE
      • Digital Design and Signoff
        • Logic Equivalence Checking
        • Innovus Implementation and Floorplanning
        • Functional ECO
        • Low-Power Validation
        • Synthesis
        • Power Analysis
        • Constraints and CDC Signoff
        • Silicon Signoff and Verification
        • Library Characterization
        • Test
        • Flows
      • Custom IC / Analog / RF Design
        • Circuit Design
        • Circuit Simulation
        • Layout Design
        • Layout Verification
        • Library Characterization
        • RF / Microwave Solutions
        • Flows
      • System Design and Verification
        • Debug Analysis
        • Emulation
        • Formal and Static Verification
        • FPGA-Based Prototyping
        • Planning and Management
        • Simulation
        • Software-Driven Verification
        • Verification IP
        • System-Level Verification IP
        • Flows
      • IP
        • Interface IP
        • Denali Memory IP
        • Tensilica Processor IP
        • Analog IP
        • System / Peripherals IP
        • Verification IP
      • IC Package Design and Analysis
        • Cross-Platform Co-Design and Analysis
        • IC Package Design
        • SI/PI Analysis
        • SI/PI Analysis Point Tools
        • Flows
    • SYSTEM INNOVATION
      • System Analysis
        • Electromagnetic Solutions
        • RF / Microwave Design
        • Thermal Solutions
        • System Analysis Resources Hub
      • Embedded Software
      • PCB Design and Analysis
        • Design Authoring
        • PCB Layout
        • Library and Design Data Management
        • Analog/Mixed-Signal Simulation
        • SI/PI Analysis
        • SI/PI Analysis Point Tools
        • What's New in Allegro
        • What's New in Sigrity
        • RF / Microwave Design
        • Flows
        • Advanced PCB Design & Analysis Blog
        • Augmented Reality Lab Tools
    • PERVASIVE INTELLIGENCE
      • AI / Machine Learning
      • AI IP Portfolio
    • CADENCE CLOUD
  • 솔루션
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        • Advanced Node
        • Arm-Based Solutions
        • Cloud Solutions
        • Low Power
        • Mixed Signal
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        • RF / Microwave
      • INDUSTRIES
        • 5G Systems and Subsystems
        • Aerospace and Defense
        • Automotive
        • AI / Machine Learning
      • TECHNOLOGIES
        • 3D-IC Design
        • Advanced Node
        • Arm-Based Solutions
        • Cloud Solutions
        • Low Power
        • Mixed Signal
        • Photonics
        • RF / Microwave
      • INDUSTRIES
        • 5G Systems and Subsystems
        • Aerospace and Defense
        • Automotive
        • AI / Machine Learning
      • TECHNOLOGIES
        • 3D-IC Design
        • Advanced Node
        • Arm-Based Solutions
        • Cloud Solutions
        • Low Power
        • Mixed Signal
        • Photonics
        • RF / Microwave
      • INDUSTRIES
        • 5G Systems and Subsystems
        • Aerospace and Defense
        • Automotive
        • AI / Machine Learning
      • TECHNOLOGIES
        • 3D-IC Design
        • Advanced Node
        • Arm-Based Solutions
        • Cloud Solutions
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        • Mixed Signal
        • Photonics
        • RF / Microwave
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Interface-Aware Approach

Hierarchical approach to accelerate PCB design authoring and implementation

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Key Benefits

  • 15% faster design authoring and implementation
  • Design PCBs at a much higher level of abstraction
  • Faster routing of standards-based interfaces including DDR3, DDR4, SATA, and PCIe

If you’re a system designer, you are likely turning to protocols such as DDRx and PCI Express® (PCIe®) to support the performance, power, and bandwidth requirements of your products. Are your design authoring and layout tools delivering the speed and ease of use you need to keep pace with your design cycle demands? What if you could apply a hierarchical interface-aware approach to accelerate your PCB design authoring and implementation process—and increase design quality, performance, and reliability along the way?

Well, now you can with the Cadence® Allegro® PCB design flow—the latest version (16.65) has been enhanced with interface-aware design capabilities. The result? Up to 15% faster design authoring and implementation. The capability lets you design PCBs at a much higher level of abstraction, so you can achieve faster routing of standards-based interfaces including DDR3, DDR4, Serial ATA (SATA), and PCIe.

Supporting Today’s High-Speed Interfaces

Let’s take a look at how the interface-aware design capability works. Traditional design authoring tools work with buses or bundles and a single-level hierarchical definition of a group of signals. However, today’s interfaces can’t be modeled in a single-level hierarchy. Other challenges to address include the increasing number of constraints, increasing design density, shrinking pin pitches along with an increasing number of large pin-count devices, and increasing time to route designs (in the face of shrinking design cycle time and resources).

To connect interfaces quickly and easily, the hierarchical interface-aware design capability in the Allegro PCB design flow:

  • Enables authoring at a higher level of abstraction to improve productivity
  • Passes interface definition to layout designers
  • Guides critical component placement and enables route planning
  • Allows you to use auto-interactive technology to further accelerate breakout, routing, and tuning of interfaces

With the capability integrated, PCB schematic authoring technology in Allegro Design Entry HDL makes use of a new graphical object in the schematic, which allows you to instantiate interfaces and hierarchical netgroups, configure and connect interfaces to components and blocks, and apply interfaces to components.

Hierarchical route planning for a DDR3 interface visualized

Since the capability supports multiple hierarchies, it becomes much easier to apply constraints to signals that are grouped in a logical manner. Allegro tools with the interface-aware capability—Allegro Design Authoring, Allegro Constraint Manager, and Allegro PCB Editor—automatically create and visually identify netgroups on the design canvas. The tools can also “nest” the netgroups to include sub-groups including byte lanes. You’ll be able to visualize the overall physical domain of an interface to see parts that are out of place. And with color-coding of netgroups, you can easily identify problematic areas and apply the proper layer distributions. 

Interface-aware design capability provides a way for you to visualize the overall routing domain of an interface, so you can see which parts are out of place

Summary

With the hierarchical interface-aware design capability available in the Allegro PCB design flow, routing high-speed interfaces such as DDRx and PCIe becomes a faster, more straightforward proposition. The capability supports PCB design at a higher level of abstraction, accelerates design authoring and implementation while providing visual indicators of placement, and enables you to identify routing problems earlier in your design cycle.

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