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--   File Name    : mux64.vbe                                 --

--   Description  : The 64-bit 2-to-1 multiplexer             --

--   Purpose      : To be used by ASIMUT and SCMAP            --

--   Date         : Aug 21, 2001                              --

--   Version      : 1.1                                       --

--   Author       : Martadinata A.                            --

--   Address      : VLSI RG, Dept. of Electrical Engineering  --

--                  ITB, Bandung, Indonesia                   --

--   E-mail       : marta@vlsi.itb.ac.id                      --

entity mux64 is

port(

  a       : in       bit_vector(63 downto 0);

  b       : in       bit_vector(63 downto 0);

  sel     : in       bit;

  c       : out      bit_vector(63 downto 0);

  vdd     : in       bit;

  vss     : in       bit

  );

end mux64;

architecture vbe of mux64 is

begin

  assert ((vdd and not (vss)) = '1')

    report "power supply is missing on mux64"

    severity warning;

    with sel select

       c <= a when '0' ,

            b  when '1' ;

end;