题解 | #实现3-8译码器①#

`timescale 1ns/1ns

module decoder_38(
   input             E1_n   ,
   input             E2_n   ,
   input             E3     ,
   input             A0     ,
   input             A1     ,
   input             A2     ,
   
   output wire       Y0_n   ,  
   output wire       Y1_n   , 
   output wire       Y2_n   , 
   output wire       Y3_n   , 
   output wire       Y4_n   , 
   output wire       Y5_n   , 
   output wire       Y6_n   , 
   output wire       Y7_n   
);
wire E,TEMP;
assign TEMP=E3&~E2_n&~E1_n;
assign E=~TEMP;
assign Y0_n = E|A2|A1|A0;
assign Y1_n = E|A2|A1|~A0;
assign Y2_n = E|A2|~A1|A0;
assign Y3_n = E|A2|~A1|~A0;
assign Y4_n = E|~A2|A1|A0;
assign Y5_n = E|~A2|A1|~A0;
assign Y6_n = E|~A2|~A1|A0;
assign Y7_n = E|~A2|~A1|~A0;


endmodule