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AR# 20530

What SSO guidelines and design rules can be followed for Virtex-4 and Virtex-5 devices?

描述

General Description:

What SSO guidelines can be followed for Virtex-4 and Virtex-5 devices?

解决方案

A part of Chapter 6 of Virtex-4 and Virtex-5 User Guides (UG070 and UG190) provides the guidelines for the maximum number of simultaneously switching outputs allowed per output power/ground pair to avoid the effects of ground bounce.

To verify whether a given design passed SSO design rules based on Parasitic Factors Derating Method (PFDM), the Virtex-5 SSO Calculator, that automates all the PFDM and SSO calculations is provided.

The Virtex-5 SSO Calculator can be downloaded from the Xilinx web site at:

http://www.xilinx.com/bvdocs/userguides/ug190_SSO_Calculator.zip

The Virtex-4 SSO Calculator can be downloaded from the Xilinx web site at:

http://www.xilinx.com/bvdocs/userguides/ug070.zip

This is a primarily Microsoft Excel-based spreadsheet.

AR# 20530
日期 12/15/2012
状态 Active
Type 综合文章
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