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  • Products
    • DESIGN EXCELLENCE
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        • PRODUCT CATEGORIES
          • Logic Equivalence Checking
          • SoC Implementation and Floorplanning
          • Functional ECO
          • Low-Power Validation
          • Synthesis
          • Power Analysis
          • Constraints and CDC Signoff
          • Silicon Signoff and Verification
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          • RESOURCES
          • Flows
      • Verification
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          • Debug Analysis
          • Virtual Prototyping
          • Emulation and Prototyping
          • Static and Formal Verification
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          • Verification IP
          • System-Level Verification IP
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          • vManager Verification Management
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          • Helium Virtual and Hybrid Studio
          • Xcelium Logic Simulation
          • Palladium Enterprise Emulation
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          • System VIP
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          • Flows
      • IP
        • PRODUCT CATEGORIES
          • 112G/56G SerDes
          • Chiplet and D2D
          • Denali Memory Interface and Storage IP
          • Interface IP
          • PCIe and CXL
          • Tensilica Processor IP
        • RESOURCES
          • Discover PCIe
      • IC Package Design and Analysis
        • PRODUCT CATEGORIES
          • Cross-Platform Co-Design and Analysis
          • IC Package Design
          • SI/PI Analysis
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          • Flows
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          • Computational Fluid Dynamics
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          • Augmented Reality Lab Tools
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Cadence Modus DFT Software Solution

Quality – Reliability – Safety

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Key Benefits

  • Up to 3X reduction in test time, without impact on design size or fault coverage
  • Up to 2.6X reduction in compression logic wirelength—resolves routing congestion issues due to traditional scan compression logic
  • Natively integrated with the Genus Synthesis Solution or standalone DFT insertion
  • Highest accuracy and resolution diagnostics—smarter insight into yield issues, faster
  • ISO 26262 Certified "Fit for Purpose—Tool Confidence Level 1 (TCL1)"
ASK US A QUESTION

 

Concerned about your test costs? Reduce your SoC test time by up to 3X with the Cadence® Modus DFT Software Solution. Introducing a new patented 2D Elastic Compression architecture, this next-generation tool enables compression ratios beyond 400X without impacting design size or routing. With a complete suite of industry-standard capabilities for memory BIST, logic BIST, test point insertion, and diagnostics, the solution can help you reduce your production test costs and increase silicon profit margins.

Key Features

The 2D Elastic Compression architecture in the Cadence Modus DFT Software Solution consists of:

  • Modus 2D Compression: XOR compression logic forms a physically aware 2D grid across the design floorplan, enabling higher compression ratios with reduced wirelength. At 100X compression ratios, wirelength for 2D compression can be up to 2.6X smaller than current industry scan compression architectures.
  • Modus Elastic Compression: Registers embedded in the decompression logic enable fault coverage to be maintained at compression ratios beyond 400X by controlling care bits sequentially across multiple scan cycles during ATPG. Extends to LBIST and MISR compression.
  • Flexible DFT insertion: Integration with synthesis and implementation flows or standalone. All Cadence Modus DFT logic insertion is natively integrated within the Genus™ Synthesis Solution cockpit, or available as a standalone netlist-based solution for use with third-party synthesis. The solution’s Modus ATPG component also shares a common Tcl scripting and debug language with the Genus Synthesis Solution, the Innovus™ Implementation System, and the Tempus™ Timing Signoff Solution, streamlining flow development and simplifying user training across a complete Cadence digital flow.

What’s in the Solution?

In addition to Modus 2D Elastic Compression, the Cadence Modus DFT Software Solution encompasses:

  • Modus DFT: Natively integrated with the Genus Synthesis Solution or standalone, inserts full-chip test logic including full scan, boundary scan, compression, low pin count architecture, X-masking, on-chip clock controller, JTAG controller, IEEE 1687 (iJTAG), and IEEE 1500. Power aware, leveraging the same UPF/CPF power intent file used for implementation. SDC constraints for test modes and Modus ATPG run scripts are automatically generated for further ease of use.
  • Modus ATPG: Static and delay fault test pattern generation, low-power test pattern generation with scan and capture toggle count limits, and distributed test pattern generation with near-linear runtime scalability across multiple machines and CPUs. Flexible and robust X-masking. Standalone or integrated test point analysis and insertion.
  • Modus Diagnostics: Single- and multi-die volume diagnostics, with physical defect location callout and root-cause analysis for logic gates and memories. Simulates multiple defect types concurrently, reorders compressed/uncompressed patterns. Support for advanced fault models, including cell aware.
  • Modus Programmable Memory BIST Option: RTL or netlist level insertion and support for soft and hard repair. Embedded memory bus support integrates seamlessly with macro interface for at-speed PMBIST across multiple embedded memories in an IP core and support for Arm® MBIST interface. New programmable test algorithms for FinFET SRAMs and automotive safety applications.
  • Modus Logic BIST Option: Production proven in ASIL-D designs. Support for JTAG or direct access. Integrates with 2D Elastic Compression for ease of routability.

Contact Us

TRAINING COURSES

Modus Unified Compression: A Unique Solution to LBIST Test Time Reduction and Congestion
DOWNLOAD NOW
Defect-Location Identification for Cell-Aware Test
VIEW PAPER

The Complexities and Future of Scan Compression

  • Related Products

    • Conformal Equivalence Checker
    • Tempus Timing Signoff Solution
    • Genus Synthesis Solution
    • Innovus Implementation System
  • Related Links

    • ISO 26262 TCL Compliance
Videos

How New DFT Solution Trims Test Time for Digital Logic

Whiteboard Wednesdays - Limitations of Scan Compression QoR

Whiteboard Wednesdays - An Introduction to IC Test and Modus

Whiteboard Wednesdays - Diagnostics – What Makes Modus Diagnostics an Industry Leading Tool

Whiteboard Wednesdays - Solving Scan Compression Congestion Issues with Modus 2D Elastic

The Complexities and Future of Scan Compression

How to Overcome Challenges of Rising Compression Ratios in Digital Designs

How You Can Drive Down Digital Logic Test Time

GLOBALFOUNDRIES ASIC Design Team Validates Hierarchical Test Architecture using Cadence Test Solution

Whiteboard Wednesdays - Scan Compression Fundamentals

News ReleasesVIEW ALL
  • Cadence Collaboration with Arm Enables Customers to Successfully Tape out Next-Generation Arm Mobile Designs 05/25/2021

  • Cadence Collaborates with Arm to Accelerate Hyperscale Computing and 5G Communications SoC Development 04/27/2021

  • Cadence Collaborates with Samsung Foundry to Accelerate Hyperscale Computing SoC Design for Process Nodes Down to 4nm 04/08/2021

  • Cadence Delivers Automotive Reference Flow for Samsung Foundry 14LPU Process Technology 04/08/2021

  • Cadence Automotive Reference Flow Certified by Samsung Foundry for Advanced-Node Design Creation 10/17/2019

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Customers

The Modus Test Solution demonstrated a 3.6X reduction in test time on a customer networking chip without impacting design routability or fault coverage. This technology definitely reduces production test costs.

Sue Bentlage, Director, ASIC Design and Methodology, GLOBALFOUNDRIES

Read More or View All Customers

Minimizing the cost of test is crucial in high-volume, price-sensitive markets like embedded processing. The Modus Test Solution is showing a 1.7X reduction in digital test time on one of our largest and most complex embedded processor chips.

Roger Peters, MCU Silicon Development, Texas Instruments

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With the Modus Test Solution, we achieved an impressive 2.6X reduction in compression wirelength and a 2X reduction in scan time. The reduction in compression logic wirelength enabled us to address a key challenge for design closure.

Alan Nakamoto, Vice President, Engineering Services, Microsemi Corp.

Read More or View All Customers

Test time has a significant impact on semiconductor product costs and production capacity, so reducing test time is important. We have seen the Modus Test Solution achieve a 2X reduction in test time without impacting fault coverage or die size.

Chris Malkin, Baseband IC Manager, Sequans

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