Library dan Package VHDL

Library IEEE:

use IEEE.std_logic_1164.all;

use IEEE.std_logic_textio.all;

use IEEE.std_logic_arith.all;

use IEEE.numeric_bit.all;

use IEEE.numeric_std.all;

use IEEE.std_logic_signed.all;

use IEEE.std_logic_unsigned.all;

use IEEE.math_real.all;

use IEEE.math_complex.all;


Library STD:

use STD.standard.all;

use STD.textio.all;

Library WORK:
pendeklarasian yang implisit,dimana semua source codenya akan dimasukkan ke library tersebut.



example:

use WORK.data_types.all;