Test Time Optimization by Revisiting Notes in VLSI BIST Technique

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Publicado en 3C Tecnología. Special Issue – March 2020



An effective method for test time minimization in Built In Self Test (BIST) using graph theory concept with revisiting of node is incorporated in this article. Here the shortest Hamiltonian path of ISCAS89 benchmark circuit s396 is taken as an example. Minimum spanning tree with revisiting nodes is applied for s386 circuit that optimizes the time cycle for testing. Result shows that minimum spanning tree with revisiting the nodes will reduce the time cycle without compromising the test quality. Hence an effective testing is achieved
using graphical approach.


Palabras clave

BIST, Shortest Hamiltonian path, Revisiting node, Test time.

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