Asynchronous circuits based on multiple localised current-sensing completion detection

Asynchronous circuits based on Current-Sensing Completion Detection (CSCD) are an efficient alternative to known dual rail coding techniques in terms of area required, operating speed and power consumption. New BiCMOS Current-Sensing Circuits (CSC's) which fully support the advantages of CSCD are presented. Multiple localised CSC's are studied and an example of a 4-bit parallel multiplier is investigated on different levels of granularity.