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Figures of merit for CMOS switching speed

Kenngrößen zur Evaluierung von CMOS-Schaltgeschwindigkeit
: Burenkov, A.; Gund, C.; Lorenz, J.

Brebbia, C.A. ; Wessex Institute of Technology, Southampton:
Electrical Engineering and Electromagnetics VI : ELECTROCOMP, 10 - 12 September 2003 Split, Croatia
Southampton: WIT Press, 2003 (Advances in electrical and electronic engineering 5)
ISBN: 1-85312-981-X
International Conference on Computational Methods in Electrical Engineering and Electromagnetics (ELECTROCOMP) <6, 2003, Split>
Conference Paper
Fraunhofer IISB ()
CMOS; switching speed; FOM; CMOS ring oszillator; SPICE simulation

A Figure of Merit for CMOS switching speed has been investigated using variation s of device parameters of CMOS transistors for several technology generations. A modification of the Figure of Merit to predict the signal propagation time of a CMOS circuit is suggested. The modified Figure of Merit permits a prediction of the signal propagation time in CMOS circuits with a significantly improved accu racy, because it accounts for several dynamic effects. Due to the improved accur acy, the modified Figure of Merit can be used as a tool to evaluate the impact o f different technological options on the CMOS circuit performance.