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Functional verification plays a key role in the design verification cycle and the physical fault testing process.
 

Summary: 1
ABSTRACT
Functional verification plays a key role in the design
verification cycle and the physical fault testing process.
There are several functional verification methods that gen-
erate tests for modules independent of their implementa-
tion; however, these methods do not scale well for medium
to large circuits. In this paper we introduce a new imple-
mentation-independent functional test generation tech-
nique that extracts a good set of functional vectors that are
characterized by a small number of neighbors. Two input
vectors of a function are considered neighbors if they pro-
duce the same output value of the function and the Ham-
ming distance between them is one. Our method can be
easily implemented and it generates tests by selecting input
vectors that have fewer neighbors among all input vectors.
Our experimental results demonstrate that our generated
tests are significantly better than random tests. Moreover,
our method can handle multiple-output circuits, and can be
easily scaled to target large designs.

  

Source: Al-Asaad, Hussain - Department of Electrical and Computer Engineering, University of California, Davis

 

Collections: Computer Technologies and Information Sciences