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A 90-nm CMOS motion estimation (ME) processor was developed by employing dynamic voltage and frequency scaling (DVFS) to greatly reduce the dynamic power. To make full use of the advantages of DVTS, a fast ME algorithm and a small on-chip DC/DC converter were also developed. The fast ME algorithm can adaptively predict the optimum supply voltage (Vd) and the optimum clock frequency (fc.) before each...
A 1.2-million transistor, 33-MHz, 20-b dictionary search processor (DISP) design that makes it practical to construct a 50000-word dictionary search system using only 20 DISPs is discussed. Special features of the DISP are (1) an architecture that drastically increases capacity of the content addressable memory (CAM), which handles high-speed character searches; (2) logic that increases the speed...
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