Application of quantum-dot is a promising technology for implementing digital systems at nano-scale.  Quantum-dot Cellular Automata (QCA) is a system with low power consumption and a potentially high density and regularity. Also, QCA supports the new devices with nanotechnology architecture. This technique works </...

The Full Adder circuit is an important component in application such as Digital Signal Processing (DSP) architecture, microprocessor, and microcontroller and data processing units. This paper discusses the evolution of full adder circuits in terms of lesser power consumption, higher speed. Starting with the most conventional 28 transistor full adder and then gradually studied full adders consis...

The Past fifteen years have seen an extraordinary increase in ALU and floating point unit technology, from space efficiency to power management. In order to quantify some of these changes, several research papers authored over a decade and a half were collected for study and analysis. Measurements of interest included Power consumption of ALU, ITRS technology node width, Execution time per ALU,...

This paper presents a performance analysis of hybrid 1-bit full-adder circuit design. The adder cell is dissected into smaller modules. The modules are analyzed and calculated extensively. To explore good-drivability, noise-robustness, and low-energy operations for deep sub micrometer to explore hybrid-CMOS style design. Hybrid-CMOS design style uses various CMOS logic style circuits to constru...

In this paper, a proposed 1-bit hybrid full adder design employing both transmission gate logic and complementary metal– oxide–semiconductor (CMOS) logic is reported. The design is implemented for 1-bit Ripple Carry Adder and then is extended for 64-bit Ripple Carry Adder. The circuit is implemented using Mentor Graphics tools 130nm technology. The performance parameters such as delay, area, to...

211 Abstract—-Different logic gates like MV, NOT, AOI, NNI etc under QCA nanotechnology are introduced. NNI gate is highly effective regarding space and speed consideration. Any Boolean functions, confined in thirteen number standard Boolean functions, are synthesized by MV and NNI gates or simply NNI gates alone, eliminating inverter (NOT) gate. A new method for realizing symmetric functions i...

In this paper, we present the design and experimental evaluation of complementary energy path adiabatic logic (CEPAL) based 1 bit full adder circuit. A simulative investigation on the proposed full adder has been done using VIRTUOSO SPECTRE simulator of cadence in 0.18μm UMC technology and its performance has been compared with the conventional CMOS full adder circuit. The CEPAL based full adde...

Quantum dot Cellular Automata (QCA) is a novel and potentially attractive technology for implementing computing architectures at the nano-scale. The basic Boolean primitive in QCA is the majority gate. In this paper we present a novel design for QCA cells and another possible and unconventional scheme for majority gates. By applying these items, the hardware requirements for a QCA design can be...

Quantum Cellular Automata (QCA) is one of the emerging nanotechnologies in which it is possible to implement reversible logic gates. QCA makes it possible to achieve high performance beyond the limits of existing CMOS technology. QCA does not have to dissipate its signal energy during transition. Further, there is no movement of electrons from one QCA cell to the other, there is no current flow...

In this review paper different design techniques of multi bit adder are deliberate using linear parameters logic gates. The comparison is carried by several parameter mainly focus on a number of linear threshold gates, a number of CMOS transistor, power dissipation, power delay product (PDP), average power dissipation time delay and size of the full adder circuit. Adder circuits basically imple...