--Copyright (C) 1991-2006 Altera Corporation --Your use of Altera Corporation's design tools, logic functions --and other software and tools, and its AMPP partner logic --functions, and any output files any of the foregoing --(including device programming or simulation files), and any --associated documentation or information are expressly subject --to the terms and conditions of the Altera Program License --Subscription Agreement, Altera MegaCore Function License --Agreement, or other applicable license agreement, including, --without limitation, that your use is for the sole purpose of --programming logic devices manufactured by Altera and sold by --Altera or its authorized distributors. Please refer to the --applicable agreement for further details. component fifo_4kx16 PORT ( aclr : IN STD_LOGIC ; clock : IN STD_LOGIC ; data : IN STD_LOGIC_VECTOR (15 DOWNTO 0); rdreq : IN STD_LOGIC ; wrreq : IN STD_LOGIC ; empty : OUT STD_LOGIC ; full : OUT STD_LOGIC ; q : OUT STD_LOGIC_VECTOR (15 DOWNTO 0); usedw : OUT STD_LOGIC_VECTOR (11 DOWNTO 0) ); end component;