描述:Quartz Crystal Resonator HC49/UP Short 2 Pad Surface Mount (SMD) 3.2mm Height Metal Resistance Weld Seal 13.241MHz ±15ppm/30ppm over 0°C to +70°C Brand Name:Ecliptek 是否无铅:不含铅 是否Rohs认证:符合
LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALL;USE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY even2n ISPORT(inclk: IN STD_LOGIC;outclk : OUT STD_LOGIC);END ENTITY even2n;ARCHITECTURE a OF even2n ISSIGNAL clk_temp :
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