Hm. Wang et al., FAULT ANALYSIS ON (K-VALUED PLA STRUCTURE LOGIC-CIRCUITS(1)), IEICE transactions on fundamentals of electronics, communications and computer science, E76A(6), 1993, pp. 1001-1010
This paper presents a general form and a set of basic gates to impleme
nt (K+1)-valued PLA structure logic circuits. A complete fault analysi
s on the proposed circuit has been done and it is shown that all fanou
t stem faults can be collapsed to branch faults. A procedure for fault
collapsing is derived. For any function implemented in the (K+1)-valu
ed circuit, the number of remaining faults is smaller than that of the
2-valued circuit after the collapsing, where the value of K is depend
ent on the number of outputs and the assignment of the OR plane of the
2-valued logic circuit.