and2a.vhd

EDA课程设计,简单的EDA编程,包括计数器

library  ieee;
  use  ieee.std_logic_1164.all;
entity  and2a  is
   port(a,b:in bit ;c:out bit);
end  entity  and2a;
architecture  ex1  of  and2a  is
begin
   c <=a  and  b;
end architecture ex1;