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// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/IOBUFDN.v,v 1.1.1.1 2001-11-04 18:59:48 lampret Exp $
 
/*
 
FUNCTION	: BIDIRECTIONAL BUFFER WITH INVERTING OPEN DRAIN OUTPUT
 
*/
 
`timescale  100 ps / 10 ps
 
`celldefine
 
module IOBUFDN (O, IO, I);
 
    output O;
 
    inout  IO;
 
    input  I;
 
    tri0 GTS = glbl.GTS;
 
    not N1 (in, I);
    or O1 (ts, GTS, in);
    bufif0 T1 (IO, 1'b0, ts);
 
    buf B1 (O, IO);
 
    specify
	(IO *> O) = (1, 1);
	(I *> IO) = (1, 1);
    endspecify
 
endmodule
 
`endcelldefine