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AR# 15228 Virtex-II Pro RocketIO - Why are all GNDA pins in the Virtex-II Pro pin-outs repeated?

Description

Why are all GNDA pins in the Virtex-II Pro pin-outs repeated?

Solution

This is explained in the first footnote on page 4 of the data sheet. You can access the data sheet at:

http://www.xilinx.com/xlnx/xweb/xil_publications_display.jsp?category=/Data+Sheets/FPGA+Device+Families/Virtex-II+Pro&iLanguageID=1

"Two pads on the die are tied to the same package pin (GNDA) in order to lower the resistance on these connections. Thus, duplicate entries exist for GNDA pins."

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AR# 15228
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article
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