VHDL Component Declaration
The following VHDL component declaration is located in the VHDL Design File (.vhd) Definition ALTERA_PRIMITIVES_COMPONENTS.VHD located in the <Intel® Quartus® Prime installation directory>\libraries\vhdl\altera directory.
component alt_outbuf_diff
    generic (
        io_standard           : string  := "NONE";
        current_strength      : string  := "NONE";
        slew_rate             : integer := -1;
        location              : string  := "NONE";
        enable_bus_hold       : string  := "NONE";
        weak_pull_up_resistor : string  := "NONE";
        termination           : string  := "NONE";
    port(
        i    : in std_logic;
        o    : out std_logic;
        obar : out std_logic );
end component;