08-06-2012 05:43 AM
What is diference between the devices XC7Z020-1CLG484CES and XC7Z020-1CLG484CES9919
08-06-2012 08:07 AM
Please ask your authorized Xilinx distributor, or your Xilinx FAE.
They look like they are both grade C (commercial) ES (engineering samples). It could be one is a later version. Your distributor or FAE would have the details for you.