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AR# 13775

8.1i XPower Web Power Tool - The quiescent power values are different from information in the data sheets


The values quoted by XPower or the XPower Estimator (Web Power Estimator or Spreadsheet) for a design with no stimulus are not equal to the values quoted for quiescent supply current in the data sheets.


The values in the data sheets are for an empty FPGA with no I/Os and no termination (DCI or otherwise). XPower and the XPower Estimator provide an estimate of typical power for a design in a quiescent (no I/O or internal logic toggling) state. This power might include any constant current required for internal circuitry such as DCMs or some I/O drivers.

AR# 13775
Date 12/15/2012
Status Active
Type General Article