A Review on Adder Design Using QCA Systolic Array

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Provided by: International Journal of Innovative Science and Modern Engineering (IJISME)
Topic: Hardware
Format: PDF
The CMOS technology has limitations such as off-state leakage and minimum fabrication dimensions. Due to these physical limitations of CMOS technology may an alternative nanotechnologies are being introduced. Quantum-dot Cellular Automata (QCA) are considered as an advanced technology compared to Complimentary Metal-Oxide-Semiconductor (CMOS) due to QCA's merits. Many logical circuits are designed using QCA which consume low power and reduced area. Therefore, the author's interest is on designing of adders using QCA. Thus, they design adders and detailed simulation using QCAD designer is presented. The performance of proposed adder gives the better Delay performance compared to Ripple Carry Adder (RCA).
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