=1 ns;
TFALL=1 ns );
port (
a0 : in std_logic;
z0 : out std_logic
);
end pgbuf1;
architecture behav of pgbuf1 is
begin
process(a0)
variable zdf : std_logic;
begin
zdf := a0;
if zdf = '1'then
z0 <= transport zdf after TRISE;
elsif zdf = '0' then
z0<=transport zdf after TFALL;
else
z0<=transport zdf;
end if;
end process;
end behav;| 欢迎光临 电子技术论坛_中国专业的电子工程师学习交流社区-中电网技术论坛 (http://bbs.eccn.com/) | Powered by Discuz! 7.0.0 |