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The use of multiple voltage domains in an integrated circuit has been widely utilized with the aim of finding a tradeoff between power saving and performance. Level shifters allow for effective interfacing between voltage domains supplied by different voltage levels. In this paper we present a low power level shifters in the 90 nm technology node capable of converting subthreshold voltage signals...
Static random access memories (SRAMs) comprise an increasingly large portion of modern very large scale integrated (VLSI) circuits. The increasing importance of embedded SRAM is due to its low circuit activity factor, leading to low active power density, and productivity of design. The power consumption has become an important issue and has lead to the development of numerous schemes aimed at limiting...
Due to the importance of power/ground network, lots of researches have been made on it. But they only focused on the minimal area of it. By discussion on the relation among Vdd, performance and power consumption, this paper proposes an optimal algorithm using GA and SLP method where area, performance and power consumption can be simultaneously evaluated. As a result, the power/ground network is designed...
In this paper a new full adder (FA) circuit optimized for ultra low power operation is proposed. The circuit is based on modified XOR gates operated in the subthreshold region to minimize the power consumption. Simulated results using 65 nm standarad CMOS models are provided. The simulation results show a 5%-20% for frequency ranges from 1 KHz to 20 MHz and supply voltages lower than 0.3 V.
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