Design for testability (DFT) works to make a circuit more testable to ensure that it was manufactured correctly. Alfred Crouch explains the purpose of DFT in his book, Design-For-Test for Digital ICs ...
When semiconductor devices had geometries of 0.18 microns and larger, most defects manifested themselves as static faults. Test strategies based on stuck-at fault-model scan patterns and standard ...
New Patterns To move toward zero DPM, the standard stuck-at and at-speed scan patterns are not enough. Several other pattern types are available to further improve test quality. Traditional scan tests ...
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