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دسته بندی:
معماری کامپیوتر - Computer architecture
سال انتشار:
2014
ترجمه فارسی عنوان مقاله:
جمع کننده گزینش رقم نقلی دارای BEC و RCA
عنوان انگلیسی مقاله:
Carry select adder using BEC and RCA
منبع:
International Journal of Advanced Research in Computer and Communication Engineering Vol. 3, Issue 10, October 2014
نویسنده:
Kala Priya.K, KSN Raju
چکیده انگلیسی:
DESIGN of power-efficient and high-speed data path logic systems are one of the most substantial areas of
research in VLSI system design. In digital adders, the speed of addition is limited by the time required to propagate a
carry through the adder. The sum for each bit position in an elementary adder is generated sequentially only after the
previous bit position has been summed and a carry propagated into the next position. The Carry select adder (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 . 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 , then the
final sum and carry are selected by the multiplexers (mux). The basic idea of this work is to use Binary to Excess-1
Converter (BEC) instead of RCA in the regular CSLA to achieve high speed and low power consumption.
Keywords: CSLA | RCA | BEC | VLSI
چکیده فارسی:
حجم فایل: 478 کیلوبایت
قیمت: 32400 تومان
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