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AR# 18061

Packaging - Does Xilinx provide the Theta JC for the System ACE MPM BG388 package?

Description

General Description:

What is the Theta JC value for the BG388 package? This is not listed in the table on the Device Package User Guide, at: http://www.xilinx.com/bvdocs/userguides/ug112.pdf.

Solution

The BG388 package is a System ACE MPM (multi-package module). It does not need a heat sink because the System ACE device works only during configuration of Xilinx FPGAs on the board. If a heat sink is not required, Theta JC is usually not necessary. The package comes with a protective metal cap or lid which should help in heat dissipation.

Theta JA is what we specify for this package, which is 34.7 deg C/W.

AR# 18061
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article