Scan Insertion & ATPG

Project Overview

This project focused on Design for Testability (DFT) implementation. We inserted scan chains into a digital logic block and generated patterns to detect stuck-at and transition faults.

Scope of Work

  • Scan Insertion: Replacing flip-flops with scan-flops and stitching them into chains.
  • Compression: Implemented potential compression logic to reduce test data volume and test time.
  • ATPG: Generated patterns using a standard ATPG tool targeting 99% coverage.

Outcome

Achieved 99.2% stuck-at fault coverage and 85% transition fault coverage. Pattern simulation passed with zero mismatches.

Project Details

  • Category: DFT
  • Duration: 2.5 Months
  • Tools Used:
    Synopsys TestMAX Modus
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