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This paper explores the design of parallel multipliers for Quantum-Dot Cellular Automata. Array multipliers, Wallace multipliers, Dadda multipliers, and quasi-modular multipliers are designed and analyzed. Quasi-modular multipliers use 4 (n/2 × n/2) modules to make n × n multipliers are also considered. All of these designs are constructed using coplanar layouts. The delay, area and complexity are...
The ultra-high density integrated circuits based on nanodevices will suffer from heat dissipation due to irreversible information erasure, limiting the reachable operating frequencies. This paper studies the amount of logical bits lost in standard binary adder structures, which are shown to be sub-optimal when compared with the theoretical limit. The analysis covers the pipelined ripple carry adder,...
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