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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