Ling Carry-Select Adder
Yangyang Xu · Jisuanji gongcheng · 2009
A new Ling Carry-Select Adder(CSA) is desighed.Ling carries are employed as inter-group carries instead of traditional ones.The carry mechanism is generated by using internal connection and parallel prefix logic of node fanout balance.The usual CSA mode is adjusted,which is fit for Ling carry.This adder has the performance of rapidity for Ling adder,and avoids the complexity of logic generation.Experimental results show the speed of this adder is promoted by about 12% compared with Carry-Lookahead Adder(CLA).