Accurate Logic Simulation By Overcoming The Unknown Value Propagation Problem  

Oleh:

Kang, Sungho ; Szygenda, Stephen A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Simulation vol. 79 no. 2 (Feb. 2003), page 59-68.
Topik: Logic simulation; unknown value propagation
Fulltext: 59.pdf (117.38KB)

Isi artikel

As circuits become larger and more complicated, logic simulation plays an important role in design verification and is widely used. However, unknown values in three-value simulation may cause the unknown value propagation problem that produces indeterminate output values. In this article, a new simulation algorithm is developed that can efficiently overcome the unknown value propagation problem. The algorithm is based on the partitioning approach. The experimental results using benchmark circuits prove the effectiveness of the new simulation algorithm.

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