25 lines
365 B
VHDL
25 lines
365 B
VHDL
library IEEE;
|
|
use IEEE.STD_LOGIC_1164.ALL;
|
|
|
|
-- DM7427 Triple 3-Input NOR Gate
|
|
|
|
entity dm7427 is
|
|
|
|
port(
|
|
A1, A2, A3,
|
|
B1, B2, B3,
|
|
C1, C2, C3: in std_logic := '0';
|
|
Y1, Y2, Y3: out std_logic
|
|
);
|
|
|
|
end dm7427;
|
|
|
|
architecture behavior OF dm7427 IS
|
|
begin
|
|
|
|
Y1 <= not (A1 or B1 or C1);
|
|
Y2 <= not (A2 or B2 or C2);
|
|
Y3 <= not (A3 or B3 or C3);
|
|
|
|
end architecture;
|