Transactions on Very Large Scale Integration
نویسندگان
چکیده
we proposed a new adder design, called VariableLatency Adder (VL-adder). This technique allows the adder to work at a lower supply voltage than that required by a conventional adder, while maintaining the same throughput. The VL-adder design can be further modified to overcome the effects of Negative Bias Temperature Instability (NBTI) on circuit delay. By applying VL-adder concept to 64-bit carry-select adder design, more than 40% energy saving is obtained while a similar throughput is maintained.
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