Integrated system of pdn implementation and digital co-synthesis

Abstract

Design of a power delivery network (PDN) is integrated with a digital logic design flow.

1 . A method useful in integrated circuit design, comprising:
 receiving, by a computer, design parameters for a power delivery network (PDN) to be instantiated in an integrated circuit chip (IC);   receiving, by the computer, a model of logic circuitry for an integrated circuit;   simulating operation of a plurality of configurations of the PDN for the model of logic circuitry over a specified range of minimum voltages to indicate at least a best-for-area PDN configuration or a best-for-power PDN configuration of the plurality of configurations of the PDN;   generating, using the computer, a netlist of PDN components and interconnects for a selected PDN configuration, the selected PDN configuration being the best-for-area PDN configuration or the best-for-power PDN configuration;   instantiating the generated netlist into RTL models of a combined digital circuit design for the logic circuitry and selected PDN configuration; and   synthesizing the combined digital circuit design.   
     
     
         2 .- 4 . (canceled) 
     
     
         5 . The method of  claim 1 , wherein the parameters for the PDN comprise voltage regulator (VR) error, VR efficiency, and VR area. 
     
     
         6 . The method of  claim 5 , wherein the parameters for the PDN further comprise bump properties and on-die metal capacitor capacitance and area. 
     
     
         7 . The method of  claim 1 , wherein the model of logic circuitry comprises a model of area and current for the logic circuitry. 
     
     
         8 . The method of  claim 1 , wherein the netlist representation includes information regarding a number of bumps for the PDN. 
     
     
         9 . The method of  claim 1 , wherein the parameters for the PDN comprise automatic transient control (ATC) circuit area. 
     
     
         10 . The method of  claim 9 , wherein the netlist includes information regarding a number of embedded voltage regulators and a number of ATC circuits.