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Engineering Digital Design
book

Engineering Digital Design

by Richard F. Tinder
January 2000
Intermediate to advanced content levelIntermediate to advanced
884 pages
29h 39m
English
Academic Press
Content preview from Engineering Digital Design
816 CHAPTER 16 / EXTERNALLY ASYNCHRONOUS/INTERNALLY CLOCKED
For relatively few inputs, domino logic requires more transistors than for static logic.
However, as the number of inputs increases, a crossover point is reached beyond which
domino logic has fewer transistors than static logic. With reference to Figs. 3.10 through
3.19, 16.11b, and 16.11c, the number of transistors (N) as a function of number of inputs
(I) for dynamic logic (DL) and for static logic (SL) is given by the following equations:
DL AND or OR N = (I + 4)
DL NAND or NOR N = (I + 6)
SL NAND or NOR N = 2I
SL AND or OR N = 2I + 2
Clearly, beyond four inputs, the DL AND or OR gate requires fewer inputs than the SL
AND or OR gate. However, for NAND or NOR gates the crossover point is at ...
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Publisher Resources

ISBN: 9780126912951