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Issue No.03 - March (1981 vol.30)
pp: 215-222
P. Goel , IBM General Technology Division
ABSTRACT
The D-algorithm (DALG) is shown to be ineffective for the class of combinational logic circuits that is used to implement error correction and translation (ECAT) functions. PODEM (path-oriented decision making) is a new test generation algorithm for combinational logic circuits. PODEM uses an implicit enumeration approach analogous to that used for solving 0-1 integer programming problems. It is shown that PODEM is very efficient for ECAT circuits and is significantly more efficient than DALG over the general spectrum of combinational logic circuits. A distinctive feature of PODEM is its simplicity when compared to the D-algorithm. PODEM is a complete algorithm in that it will generate a test if one exists. Heuristics are used to achieve an efficient implicit search of the space of all possible primary input patterns until either a test is found or the space is exhausted.
INDEX TERMS
untestable fault, Combinational logic, D-algorithm, decision tree, error correction, implicit enumeration, stuck faults, test generation
CITATION
P. Goel, "An Implicit Enumeration Algorithm to Generate Tests for Combinational Logic Circuits", IEEE Transactions on Computers, vol.30, no. 3, pp. 215-222, March 1981, doi:10.1109/TC.1981.1675757
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