Design for Testability (DFT) 2018-08-20T07:40:44+00:00

Design for Testability (DFT)

Design for Testability BlockContinuously shrinking process nodes have introduced new and complex on-chip variation effects creating new yield challenges. Combined with ever-increasing design complexity with multiple memories, mixed signal blocks and IPs from multiple vendors crammed into a single SoC, Design for Testability (DFT) implementation and Production Test signoff has become a major challenge. The T&VS asureDFT services suite helps you to overcome these challenges by establishing a DFT strategy that delivers improved DFT execution quality and reduced time-to market.

asureDFT Portfolio

Design for Testability block

T&VS DFT Solutions

 Design for Testability Services

  • Implementing Scan ( Compression/ non-compression ) implementation with industry standard tools
  • ATPG (stuck-at, at-speed, SDD, Path delay, new faults based on the technology and strategy) vector generation, Covergae analysis, Pattern (verilog, wgl) simulation (Gate Level Simulations (unit-delay, extracted dealy with sdf)
  • Memory BIST implementation, Simulation & Vector preparation for good simulation and repair flow with fault Injections with industry standard EDA tools
  • Experienced professionals can support on the in-house tool based implementation/verification for our customers.
  • Logic BIST
  • IEEE 1149.1, IEEE1149.6 compliance test controllers (JTAG)
  • Ensuring the design integrity on pre and post DFT by Formal Verification
  • ATE support on pattern stabilization, split lot analysis / Diagnosis of Structural (scan, mbist) failures

Design for Testability Training

  • DFT Strategy/Structural Testing with testmode STA needs
  • Exclusive trainings on JTAG, BSCAN, SCAN, MBIST
  • Customized contents for customer requirements

Off-the-shelf DFT components

  • JTAG TAP based test controllers and verification frame works (JTAG, IEEE 1149, TAP and its customized Instructions)
  • Test suites for Verifying BSCAN and generating tests for DC parametric tests (No dependencies with EDA Tool)
  • Generating Tester compatible vectors for Post Si validation (ATE)
  • Format conversions with ATE logs for diagnosis

Design for Testability Methodology Services

  • Development of DFT methodology
  • Assessment of existing DFT methodology

Benefits

  • Reduced overhead due to trained skills being available – No need to hire expensive DFT resources
  • End-to-end support – From design to silicon
  • Off the shelf components – Reduce DFT turnaround times
  • Training support – Bridge the gap in experience levels; Remote support from T&VS office to resources at customer sites
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Find Out More

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