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An efficient signature computation method

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2 Author(s)
Saluja, K.K. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; Chin-Foo See

A signature generation algorithm for linear-feedback shift register (LFSR)-based compactors used in fault simulation of built-in self-test digital circuits is presented. The algorithm uses small- to medium-size lookup tables to generate signatures for internal as well as external exclusive-OR LFSRs of any length. The basic concept can be extended to general linear compactors. Algorithms that convert signatures from one form of LFSR to the other are also presented.<>

Published in:

Design & Test of Computers, IEEE  (Volume:9 ,  Issue: 4 )