// CIRCUIT  adder   - Wed Apr 19 18:05:13 2000

// *********************************************
// CIRCUIT  adder
// *********************************************
module adder(sum, carry, c, b, a);
output  sum;
output  carry;
input  c;
input  b;
input  a;


supply0 gnd;
supply1 vdd;

`switch  resistive up_nmos
tranif1 (* const real width=10.00, lenght=1.00; *)  I1 (sum, gnd, ww7);
tranif1 (* const real width=10.00, lenght=1.00; *)  I2 (ww7, ww12, ww1);
tranif1 (* const real width=10.00, lenght=1.00; *)  I3 (ww11, ww7, c);
tranif1 (* const real width=10.00, lenght=1.00; *)  I4 (ww1, ww9, c);
tranif1 (* const real width=10.00, lenght=1.00; *)  I5 (ww8, ww1, b);
tranif1 (* const real width=10.00, lenght=1.00; *)  I6 (carry, gnd, ww1);

`switch  resistive low_nmos
tranif1 (* const real width=10.00, lenght=1.00; *)  I7 (ww12, gnd, a);
tranif1 (* const real width=10.00, lenght=1.00; *)  I8 (ww12, gnd, b);
tranif1 (* const real width=10.00, lenght=1.00; *)  I9 (ww12, gnd, c);
tranif1 (* const real width=10.00, lenght=1.00; *)  I10 (ww10, ww11, b);
tranif1 (* const real width=10.00, lenght=1.50; *)  I11 (ww10, gnd, a);
tranif1 (* const real width=10.00, lenght=1.00; *)  I12 (ww9, gnd, a);
tranif1 (* const real width=10.00, lenght=1.00; *)  I13 (ww9, gnd, b);
tranif1 (* const real width=10.00, lenght=1.00; *)  I14 (ww8, gnd, a);

`switch  resistive up_pmos
tranif0 (* const real width=10.00, lenght=1.00; *)  I15 (sum, vdd, ww7);
tranif0 (* const real width=8.00, lenght=1.00; *)  I16 (ww7, ww4, ww1);
tranif0 (* const real width=10.00, lenght=1.00; *)  I17 (ww6, ww7, c);
tranif0 (* const real width=10.00, lenght=1.00; *)  I18 (ww1, ww3, b);
tranif0 (* const real width=10.00, lenght=1.00; *)  I19 (ww2, ww1, c);
tranif0 (* const real width=10.00, lenght=1.00; *)  I20 (carry, vdd, ww1);

`switch  resistive low_pmos
tranif0 (* const real width=10.00, lenght=1.00; *)  I21 (ww4, vdd, a);
tranif0 (* const real width=10.00, lenght=1.00; *)  I22 (ww4, vdd, b);
tranif0 (* const real width=10.00, lenght=1.00; *)  I23 (ww4, vdd, c);
tranif0 (* const real width=10.00, lenght=1.00; *)  I24 (ww5, ww6, b);
tranif0 (* const real width=10.00, lenght=1.00; *)  I25 (ww4, ww5, a);
tranif0 (* const real width=10.00, lenght=1.00; *)  I26 (ww3, ww2, a);
tranif0 (* const real width=10.00, lenght=1.00; *)  I27 (ww2, vdd, b);
tranif0 (* const real width=10.00, lenght=1.00; *)  I28 (ww2, vdd, a);

endmodule

// *********************************************
// CIRCUIT  adder
// *********************************************
module adder(sum, carry, c, b, a);
output  sum;
output  carry;
input  c;
input  b;
input  a;


supply0 gnd;
supply1 vdd;

adder         X1(sum, carry, c, b, a);
endmodule