题解 | #数据选择器实现逻辑电路#
数据选择器实现逻辑电路
https://www.nowcoder.com/practice/00b0d01b71234d0b97dd4ab64f522ed9
`timescale 1ns/1ns
module data_sel(
input S0 ,
input S1 ,
input D0 ,
input D1 ,
input D2 ,
input D3 ,
output wire Y
);
assign Y = ~S1 & (~S0&D0 | S0&D1) | S1&(~S0&D2 | S0&D3);
endmodule
module sel_exp(
input A ,
input B ,
input C ,
output wire L
);
data_sel inst(
.S0 (A) ,
.S1 (B) ,
.D0 (1'b0) ,
.D1 (~C) ,
.D2 (C) ,
.D3 (1'b1) ,
.Y (L )
);
assign L = ~B & (A & ~C) | B & ((~A & C) | (A & 1'b1));
endmodule
