Abstract
A synthesis method for generating race-free asynchronous CMOS circuits that are independent of the internal and output delays is presented. The design method is based on the properties of the negative gates. An inertial delay is associated with each negative gate in a CMOS circuit. Such a gate model is quite realistic. The basic principle of the method presented is to augment and to modify the original flow table in such a way that the obtained logic diagram contains only negative gates. In addition, the synthesis method is capable of avoiding any race, and consequently any critical race or hazard. The method minimizes the number of internal variables and therefore the number of gates, providing new simple cells for fast and low-power integrated circuits.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Published Version
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