A Partial Enhanced-Scan Approach to Robust Delay-Fault Test Generation for Sequential Circuits
Proceedings of the IEEE International Test Conference on Test: Faster, Better, Sooner
Design for Testability: Using Scanpath Techniques for Path-Delay Test and Measurement
Proceedings of the IEEE International Test Conference on Test: Faster, Better, Sooner
Skewed-Load Transition Test: Part 1, Calculus
Proceedings of the IEEE International Test Conference on Discover the New World of Test and Design
A View from the Bottom: Nanometer Technology AC Parametric Failures " Why, Where, and How to Detect
DFT '03 Proceedings of the 18th IEEE International Symposium on Defect and Fault Tolerance in VLSI Systems
Proceedings of the conference on Design, automation and test in Europe - Volume 2
New Challenges in Delay Testing of Nanometer, Multigigahertz Designs
IEEE Design & Test
A Novel Low-overhead Delay Testing Technique for Arbitrary Two-Pattern Test Application
Proceedings of the conference on Design, Automation and Test in Europe - Volume 2
Low Cost Launch-on-Shift Delay Test with Slow Scan Enable
ETS '06 Proceedings of the Eleventh IEEE European Test Symposium
IEEE Design & Test
Flip-flop Selection to Maximize TDF Coverage with Partial Enhanced Scan
ATS '07 Proceedings of the 16th Asian Test Symposium
Estimation of delay test quality and its application to test generation
Proceedings of the 2007 IEEE/ACM international conference on Computer-aided design
ETS '08 Proceedings of the 2008 13th European Test Symposium
Leveraging Partially Enhanced Scan for Improved Observability in Delay Fault Testing
ATS '09 Proceedings of the 2009 Asian Test Symposium
On Delay Fault Testing in Logic Circuits
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Local At-Speed Scan Enable Generation for Transition Fault Testing Using Low-Cost Testers
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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We propose a flip-flop selection method to reduce the overall volume of transition delay test data, by replacing a small number of selected regular scan cells with enhanced scan cells. Relative measures are presented to reflect the gains when controlling a scan cell to a certain value, and guide the scan cell selection. Experimental results on larger IWLS 2005 benchmark circuits show that, to achieve the same fault coverage of the pure launch on capture (LOC) approach, the volume of test data can be reduced to a half on average by replacing only 1% of regular scan cells to enhanced scan cells. The transition delay fault coverage can also be improved using the proposed method with equally low area overhead.