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AR# 9851

SIMPRIM, Timing Simulation - Does timing simulation include I/O delays for various capacitive loading values?

Description

General Description: 

Does Xilinx produce timing simulation information for various I/O standards and capacitive loading?

Solution

All Xilinx timing information uses a default capacitive loading value. This value varies depending on the I/O standard used, but is typically 0pF. For specific I/O standards, please refer to the appropriate data sheet at: 

http://www.xilinx.com/partinfo/databook.htm
 

However, if a different capacitive load value is used, you must adjust the I/O timing to take this into account. Please refer to (Xilinx Answer 17720) for more information.

AR# 9851
Date Created 08/21/2007
Last Updated 05/14/2014
Status Archive
Type General Article