نتایج جستجو برای: half adder
تعداد نتایج: 192285 فیلتر نتایج به سال:
Quantum-dot cellular automata (QCA) are an emerging technology and a possible alternative for faster speed, smaller size, and low power consumption than semiconductor transistor based technologies. Previously, adder designs based on conventional designs were examined for implementation with QCA technology. This paper utilizes the QCA characteristics to design a fault-tolerant adder that is more...
This paper presents pre-layout simulations of a proposed 8T full adder design using a proposed 3T XNOR gate cell. The proposed design remarkably reduces power consumption hence power-delay product (PDP) over various input voltages and frequencies. It also improves temperature sustainability as compared to the existing 8T full adder. This proves to be a viable option for low power and energy eff...
In order to reduce the silicon area of the chip and optimize the power of arithmetic circuits, this paper proposes a low power carry look-ahead BCD (Binary Coded Decimal) adder which uses a four bit MOCLA (Multiplexer and Or gate based Carry Look Ahead Adder) that forms the basic building block. This proposed MOCLA style uses a 2 input MUX, OR gate and GDI (Gate Diffusion Input) based full adde...
Recently, the influence of the silicon area on the delay time, power dissipation and the leakage current is a crucial issue when designing a full adder circuit. In this paper, an efficient full adder design referred to as 10-T is proposed. The new design utilized the use of XNOR gates instead of XOR in the full adder implementation and, as a result, the delay time and power dissipation are sign...
In this paper a novel architecture of multiplier and accumulator (MAC) for high speed arithmetic is presented. The architecture adopts radix-4 modified booth algorithm (MBA) and hybrid carry save adder, in which the accumulator that has the largest delay in MAC was merged into Carry save adder (CSA) block. The performance of final adder block, which determines critical path of the architecture,...
1-bit full adder circuit is a very important primitive cell in the design of Application Specific Integrated Circuits. This paper presents a novel lowpower multiplexer-based 1-bit full adder that uses 12 transistors (MBA-12T). In addition to reduced transition activity and charging recycling capability, this circuit has no direct connections to power supply nodes and the entire signal gates are...
In most of the digital systems the full-adders are the basic and the fundamental components. Due to the increase in number of transistors on the chip and its shrinkage has made the power consumption to be more. This power consumption is due to the flow of current and causes the battery life to be reduced. Hence the need of low power designs is the primary requirement in the VLSI field. The full...
Addition is a fundamental arithmetic operation which is used in different applications such as digital signal processing (DSP) and microprocessors. Single bit adder is the main component of any arithmetic circuit. This paper presents the design of new split-path Data Driven Dynamic (sp-D3L) full adder circuit. Power consumption of proposed adder varies from 0.584 nW to 2.914 nW with variation i...
--------------------------------------------------------------ABSTRACT------------------------------------------------------Ultra-high energy efficiency is required for all the battery operated devices due to increased functionality on the single chip. In conventional digital VLSI design, it is assumed that a circuit/system should function perfectly to provide accurate results.There are many ap...
Continuous scaling of the transistor size and reduction of the operating voltage has led to a significant performance improvement of integrated circuits. Low power consumption and smaller area are some of the most important criteria for the fabrication of DSP systems and high performance systems. In this paper there is try to determine the best solution to this problem by comparing a few adders...
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