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36th International Symposium on Multiple-Valued Logic (ISMVL'06)
The new architecture of radix-4 Chinese abacus adder
Singapore
May 17-May 20
ISBN: 0-7695-2532-6
Shu-Chung Yi, National Changhua University of Education, Changhua, Taiwan
Kun-Tse Lee, National Changhua University of Education, Changhua, Taiwan
Jin-Jia Chen, National Changhua University of Education, Changhua, Taiwan
Chien-Hung Lin, National Changhua University of Education, Changhua, Taiwan
Chuen-Ching Wang, National Changhua University of Education, Changhua, Taiwan
Chin-Fa Hsieh, China Institute of Technology, Taipei, Taiwan
Chih-Yung Lu, China Institute of Technology, Taipei, Taiwan
In this paper, we present a new architecture of Chinese abacus adder. As high radix of adder may reduce the number of carry propagation, the proposed Chinese abacus adder may achieve high-speed operation. The simulation results of our work are compared with CLA (Carry Look-ahead) adder. The delay of the 8-bit abacus adders are 22%, 17%, and 14% less than those of CLA adders for 0.35?m, 0.25?m, and 0.18?m technologies, respectively. The power consumption of the abacus adders are 30%, 34%, and 60% less than those of CLA adders for 0.35?m, 0.25?m, and 0.18?m technologies, respectively. The use of Chinese abacus approach results a competitive technique with respect to conventional fast adder.
Citation:
Shu-Chung Yi, Kun-Tse Lee, Jin-Jia Chen, Chien-Hung Lin, Chuen-Ching Wang, Chin-Fa Hsieh, Chih-Yung Lu, "The new architecture of radix-4 Chinese abacus adder," ismvl, pp.12, 36th International Symposium on Multiple-Valued Logic (ISMVL'06), 2006
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