题解 | #使用3-8译码器①实现逻辑函数#
使用3-8译码器①实现逻辑函数
http://www.nowcoder.com/practice/be81e76ebade445baca7257aa4eca8f2
`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 ;
assign E = E3 & ~E2_n & ~E1_n;
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
module decoder0( input A , input B , input C ,
output wire L ); assign L=(~A&C) | (A&B); endmodule
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