Failure Analysis of a Mixed-Signal CCD Camcorder ASIC

Techniques used by failure analysts to provide proper stimuli to diagnose failures in mixed-signal ICs differ from routine digital IC tester stimuli. Mixed-signal parts not only require vector stimulus (i.e., set timing and frequency base), but also analog output sense signals, which are classified by differences in magnitude, frequency, and current. This article explains how a mixed-signal ASIC was analyzed using various signal stimuli.