Abstract
Objective: To study specificities of “1-out of-5”equilibrium code application in the process of concurrent error detection of combinational logic circuits organization. Methods: Information and coding theories, as well as technical diagnostics of discrete systems were applied. Results: It was suggested to apply a “1-out of-5”equilibrium code in organizing of combinational circuits control by means of Boolean complement method, the tester of which has a simple structure and needs five testing patterns for its full check. The calculation method of Boolean complement functions was given; the former makes it possible to provide testability of a Boolean complement block and a tester within a checking circuit. The advantages of a “1-out of-5”equilibrium code application were presented, compared to the usage of other equilibrium codes with a shorter length of a code word for organization of combinational circuits’ check. Practical importance: The application of a “1-out of-5”equilibrium code for organization of combinational circuits’ check is promising for self-checking discrete automatic and calculating machines.
Published Version
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