128 Bit Low Power and Area Efficient Carry Select Adder
نویسندگان
چکیده
منابع مشابه
128 Bit Low Power and Area Efficient Carry Select Adder
Carry Select Adder (CSLA) which provides one of the fastest adding performance. Traditional CSLA require large area and more power. Recently a new CSLA adder has been proposed which performs fast addition, while maintaining low power consumption and less area. This work mainly focuses on implementing the 128 bit low power and area efficient carry select adder using 0.18 μm CMOS technology. Base...
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CSLA is used in many computational systems to alleviate the problem of carry propagation delay by independently generating multiple carries and then select a carry to generate the sum [1]. However, the CSLA is not area efficient because it uses multiple pairs of Ripple Carry Adders (RCA) to generate partial sum and carry by considering carry input Cin=0 and cin=1, then the final sum and carry a...
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Adders are one of the widely used digital components in digital integrated circuit design. The Carry Select Adder (CSA) provides a good compromise between cost and performance in carry propagation adder design. However, conventional CSA is still area-consuming due to the dual ripple carry adder (RCA) structure. In this paper, modification is done at gate-level to reduce area and power consumpti...
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Power dissipation is one of the most important design objectives in integrated circuits, after speed. As adders are the most widely used components in such circuits, design of efficient adder is of much concern for researchers.From the structure of the CSLA, it is clear that there is scope for reducing the area and power consumption in the CSLA. This work uses a fewer transistors to significant...
متن کاملA low power carry select adder with reduced area
A carry-select adder can be implemented by using single ripple carry adder and an add-one circuit [1] instead of using dual ripple-carry adders. This paper proposes a new add-one circuit using the first zero finding circuit and multiplexers to reduce the area and power with no speed penalty. For bit length n = 64, this new carry-select adder requires 38 percent fewer transistors than the dual r...
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ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2013
ISSN: 0975-8887
DOI: 10.5120/11846-7587