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AR# 16806

5.2isp1 IBISWriter - No buffer model is available for Spartan-IIE LVCMOS 2.5V


Keywords: IBIS, writer, IBISWriter, Spartan-IIE, buffer, model, LVCMOS, 2.5V, LVCMOS2, LVCMOS25

Urgency: Standard

General Description:
The ISE 5.2isp1 design implementation software refers to the LVCMOS 2.5V I/O standard for Spartan-IIE as "LVCMOS2". Because the associated IBIS model is called "LVCMOS25", IBISWriter erroneously reports that a buffer model is not available.


This problem is fixed in the latest 5.2i Service Pack available at:
The first service pack containing the fix is 5.2i Service Pack 2.

To work around this problem, you can download the following patch and place the ibis.acd file in the $XILINX/spartan2e/data/ directory:
AR# 16806
Date Created 03/05/2003
Last Updated 11/28/2005
Status Archive
Type General Article