--******************************************************************************
--
--  Xilinx, Inc. 2002                 www.xilinx.com
--
--  XAPP 253 - Synthesizable DDR SDRAM Controller
--
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--
--  File name :       iobs.vhd
--
--  Description :     
--                    In this module all the inputs and outputs are declared 
--                    using the components in the IOB's
--
--  Date - revision : 05/01/2002
--
--  Author :          Lakshmi Gopalakrishnan (Modified by Sailaja)
--
--  Contact : e-mail  hotline@xilinx.com
--            phone   + 1 800 255 7778 
--
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