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 Multiple fanout for power switches  

Last post Wed, Mar 7 2012 10:16 PM by anil chatrathi. 0 replies.
Started by anil chatrathi 07 Mar 2012 10:16 PM. Topic has 0 replies and 1223 views
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  • Wed, Mar 7 2012 10:16 PM

    Multiple fanout for power switches Reply

     Hi All,

     I am implementing power switch flow using Encounter, By expanding four switches inserted in the netlist using the following command.

     addPowerSwitch -powerDomain SW_PD -column -globalSwitchCellName SW_name  -switchModuleInstance switch_inst -enablePinIn {en_f en_all} -enablePinOut {en_f_out  en_all_out} -enableNetIn {pgin[0]} -enableNetOut {pgout[0] } -skipRows $sw_pitch_y_no_of_rows -checkerboard -leftOffset $switch_x_offset -horizontalPitch $min_sw_pitch_x -area {118 118 2134 3321} -firstInstanceName {pwr_switch_0} -reportFile pso_region_0.rpt -instancePrefix region_0_

    This command I am running incrementally for three other regions (region1 region2 region3) in my design.

    When switches are expanded power switch connection on the first  rows, at macro channels , intersection of the regions  are multiple. At these switches there are 55 connection that are going out to other switches.

     

    Did any one face this kind of issue?

    Please let me know if you have solution to avoid this.

     

    Thanks and Regards,

    Anil

     

     

     

    • Post Points: 5
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Started by anil chatrathi at 07 Mar 2012 10:16 PM. Topic has 0 replies.