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VLSI: Half Adder-Full Adder Dataflow Modelling

Half Adder:

Verilog Module Code:

module half_adder(
    input a,
    input b,
    output sum 
    output carry);
assign sum = a ^ b ;
assign carry = a & b;
endmodule



Full Adder:

Verilog Module Code:

module full_adder(
    input a,
    input b,
    input cin,
    output sum 
    output carry);
assign x = a ^ b ;
assign y = x & cin ;
assign z = a & b ;
assign sum = x ^ cin ;
assign carry = y | z ;
endmodule

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