Abstract
In this work, the authors demonstrate Core-type and IO-type on-die noise characterization to enhance CPU PDN (Power Delivery Network) performance in microprocessor. The two representative power supply noise characteristics are simulated using excitation models and an impedance modeled of the power delivery network. Then, the design metrics for the PDN are analyzed based on excitation. Behavior of PDN current activity is also estimated in order to be anticipated the power supply noise efficiently.
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