| 摘要 |
A full adder in a semiconductor device, includes a reference current generation unit for generating a reference current, a carry generation unit for generating a threshold current for generating a carry in response to the reference current and for generating the carry by comparing the input current and the threshold current in response to an input current and a sum signal generation unit for outputting a differential sum signal for the input current and the threshold current according to a comparison result of the carry generation unit.
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