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AffiliationUniversity of Mississippi
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A new chaotic map circuit is presented. The design is done in a 45 nm CMOS process, however, the proposed topology is generally applicable for any technology node. The design is hardware-efficient as it contains only four MOS transistors, yet offers robust chaotic performance with a wide chaotic range. The chaotic performance is analyzed using bifurcation plot, Lyapunov exponent, correlation coefficient, and sample entropy. These different qualitative and quantitative measures clearly demonstrate excellent ergodic properties across the chaotic parameter range. The proposed map is also used in designing a reconfigurable logic generator and its wide chaotic window is shown to significantly enhance the functionality space of the logic generator.