On Transformation of a Logical Circuit to a Circuit with NAND and NOR Gates Only

Samary Baranov, Andrei Karatkevich

Abstract


In the paper we consider fast transformation of a

multilevel and multioutput circuit with AND, OR and NOT gates

into a functionally equivalent circuit with NAND and NOR gates.

The task can be solved by replacing AND and OR gates by

NAND or NOR gates, which in some cases requires introducing

the additional inverters or splitting the gates. In the paper the

quick approximation algorithms of the circuit transformation are

proposed, minimizing number of the inverters. The presented

algorithms allow transformation of any multilevel circuit into a

circuit being a combination of NOR gates, NAND gates or both

types of universal gates.


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