This paper presents several power modeling algorithms used in CellTherm [1], the logi-thermal
simulator developed at BME as well as new improvements in the software tool. The simulator
engine uses power characteristics of standard cells composing the design in question
in order to calculate self heating of the circuit. These power characteristics have
been simulated using different algorithms that approximate real power consumption.
This paper introduces a methodology to characterize standard cells for power with
minimum effort. The method proposed is an alternative to characterize standard cell
libraries that do not include power/timing characterization databases, such as a Liberty
database. The application of the measured energy data is easier and faster than that
of the Liberty database.
