Design and Characterization of PPA and Comparing with RCA and CSA in EDA Tool

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Provided by: Creative Commons
Topic: Hardware
Format: PDF
The binary adder is the critical element in most digital circuit designs including Digital Signal Processors (DSP) and microprocessor data path units. As such, extensive research continues to be focused on improving the power, delay performance of the adder. Parallel-prefix adders (also known as carry-tree adders) are known to have the best performance in VLSI designs. This dissertation investigates four types of carry-tree adders (the kogge-stone, sparse kogge-stone, spanning tree adder and brunt-kung adders) and compares them to the simple Ripple Carry Adder (RCA) and Carry Skip Adder (CSA).
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