EDT bandwidth management - Practical scenarios for large SoC designs
[ 1 ] Katedra Radiokomunikacji, Wydział Elektroniki i Telekomunikacji, Politechnika Poznańska | [ P ] employee
2013
paper
english
EN The paper discusses practical issues involved in applying scan bandwidth management to large industrial system-on-chip (SoC) designs deploying embedded test data compression. These designs pose significant challenges to the channel bandwidth management methodology itself, flow, and tools. The paper introduces several test logic architectures that facilitate preemptive test scheduling for SoC circuits with EDT-based test data compression. Moreover, some recently proposed SoC test scheduling algorithms are refined accordingly by making provision for (1) setting up test configurations minimizing test time, (2) optimization of SoC pin allocation based on scan data volume, and (3) handling physical constraints in realistic applications. Detailed presentation of a case study is illustrated with a variety of experiments that allow one to learn how to tradeoff different architectures and test scheduling.
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