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 DFF PORT (d : IN STD_LOGIC; clk : IN STD_LOGIC; clrn : IN STD_LOGIC; prn : IN STD_LOGIC; q : OUT STD_LOGIC ); END COMPONENT;