EvoApproxLib^LITE

/***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, Z. Vasicek, L. Sekanina, H. Jiang and J. Han, "Scalable Construction of Approximate Multipliers With Formally Guaranteed Worst Case Error" in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 11, pp. 2572-2576, Nov. 2018. doi: 10.1109/TVLSI.2018.2856362 
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mse parameters
***/
// MAE% = 0.056 %
// MAE = 36 
// WCE% = 0.25 %
// WCE = 161 
// WCRE% = 3300.00 %
// EP% = 84.18 %
// MRE% = 3.64 %
// MSE = 2872 
// PDK45_PWR = 0.351 mW
// PDK45_AREA = 599.8 um2
// PDK45_DELAY = 1.36 ns


module mul8s_1KVQ ( A, B, O );
  input [7:0] A;
  input [7:0] B;
  output [15:0] O;

  wire C_1_6,C_1_7,C_2_2,C_2_3,C_2_4,C_2_5,C_2_6,C_2_7,C_3_1,C_3_2,C_3_3,C_3_4,C_3_5,C_3_6,C_3_7,C_4_0,C_4_1,C_4_2,C_4_3,C_4_4,C_4_5,C_4_6,C_4_7,C_5_0,C_5_1,C_5_2,C_5_3,C_5_4,C_5_5,C_5_6,C_5_7,C_6_0,C_6_1,C_6_2,C_6_3,C_6_4,C_6_5,C_6_6,C_6_7,C_7_0,C_7_1,C_7_2,C_7_3,C_7_4,C_7_5,C_7_6,C_7_7,C_8_0,C_8_1,C_8_2,C_8_3,C_8_4,C_8_5,C_8_6,C_8_7,S_0_7,S_1_3,S_1_4,S_1_5,S_1_6,S_1_7,S_2_2,S_2_3,S_2_4,S_2_5,S_2_6,S_2_7,S_3_1,S_3_2,S_3_3,S_3_4,S_3_5,S_3_6,S_3_7,S_4_0,S_4_1,S_4_2,S_4_3,S_4_4,S_4_5,S_4_6,S_4_7,S_5_0,S_5_1,S_5_2,S_5_3,S_5_4,S_5_5,S_5_6,S_5_7,S_6_0,S_6_1,S_6_2,S_6_3,S_6_4,S_6_5,S_6_6,S_6_7,S_7_0,S_7_1,S_7_2,S_7_3,S_7_4,S_7_5,S_7_6,S_7_7,S_8_0,S_8_1,S_8_2,S_8_3,S_8_4,S_8_5,S_8_6,S_8_7;

  assign S_0_7 = 1'b1;
  assign S_1_3 = (A[1] & B[3]);
  assign S_1_4 = (A[1] & B[4]);
  assign S_1_5 = (A[1] & B[5]);
  HAX1 U2607 (.A(S_0_7), .B((A[1] & B[6])), .YS(S_1_6), .YC(C_1_6));
  HAX1 U2608 (.A(1'b1), .B(~(A[1] & B[7])), .YS(S_1_7), .YC(C_1_7));
  HAX1 U2611 (.A(S_1_3), .B((A[2] & B[2])), .YS(S_2_2), .YC(C_2_2));
  HAX1 U2612 (.A(S_1_4), .B((A[2] & B[3])), .YS(S_2_3), .YC(C_2_3));
  HAX1 U2613 (.A(S_1_5), .B((A[2] & B[4])), .YS(S_2_4), .YC(C_2_4));
  HAX1 U2614 (.A(S_1_6), .B((A[2] & B[5])), .YS(S_2_5), .YC(C_2_5));
  FAX1 U2615 (.A(S_1_7), .B(C_1_6), .C((A[2] & B[6])), .YS(S_2_6), .YC(C_2_6));
  HAX1 U2616 (.A(C_1_7), .B(~(A[2] & B[7])), .YS(S_2_7), .YC(C_2_7));
  HAX1 U2618 (.A(S_2_2), .B((A[3] & B[1])), .YS(S_3_1), .YC(C_3_1));
  FAX1 U2619 (.A(S_2_3), .B(C_2_2), .C((A[3] & B[2])), .YS(S_3_2), .YC(C_3_2));
  FAX1 U2620 (.A(S_2_4), .B(C_2_3), .C((A[3] & B[3])), .YS(S_3_3), .YC(C_3_3));
  FAX1 U2621 (.A(S_2_5), .B(C_2_4), .C((A[3] & B[4])), .YS(S_3_4), .YC(C_3_4));
  FAX1 U2622 (.A(S_2_6), .B(C_2_5), .C((A[3] & B[5])), .YS(S_3_5), .YC(C_3_5));
  FAX1 U2623 (.A(S_2_7), .B(C_2_6), .C((A[3] & B[6])), .YS(S_3_6), .YC(C_3_6));
  HAX1 U2624 (.A(C_2_7), .B(~(A[3] & B[7])), .YS(S_3_7), .YC(C_3_7));
  HAX1 U2625 (.A(S_3_1), .B((A[4] & B[0])), .YS(S_4_0), .YC(C_4_0));
  FAX1 U2626 (.A(S_3_2), .B(C_3_1), .C((A[4] & B[1])), .YS(S_4_1), .YC(C_4_1));
  FAX1 U2627 (.A(S_3_3), .B(C_3_2), .C((A[4] & B[2])), .YS(S_4_2), .YC(C_4_2));
  FAX1 U2628 (.A(S_3_4), .B(C_3_3), .C((A[4] & B[3])), .YS(S_4_3), .YC(C_4_3));
  FAX1 U2629 (.A(S_3_5), .B(C_3_4), .C((A[4] & B[4])), .YS(S_4_4), .YC(C_4_4));
  FAX1 U2630 (.A(S_3_6), .B(C_3_5), .C((A[4] & B[5])), .YS(S_4_5), .YC(C_4_5));
  FAX1 U2631 (.A(S_3_7), .B(C_3_6), .C((A[4] & B[6])), .YS(S_4_6), .YC(C_4_6));
  HAX1 U2632 (.A(C_3_7), .B(~(A[4] & B[7])), .YS(S_4_7), .YC(C_4_7));
  FAX1 U2633 (.A(S_4_1), .B(C_4_0), .C((A[5] & B[0])), .YS(S_5_0), .YC(C_5_0));
  FAX1 U2634 (.A(S_4_2), .B(C_4_1), .C((A[5] & B[1])), .YS(S_5_1), .YC(C_5_1));
  FAX1 U2635 (.A(S_4_3), .B(C_4_2), .C((A[5] & B[2])), .YS(S_5_2), .YC(C_5_2));
  FAX1 U2636 (.A(S_4_4), .B(C_4_3), .C((A[5] & B[3])), .YS(S_5_3), .YC(C_5_3));
  FAX1 U2637 (.A(S_4_5), .B(C_4_4), .C((A[5] & B[4])), .YS(S_5_4), .YC(C_5_4));
  FAX1 U2638 (.A(S_4_6), .B(C_4_5), .C((A[5] & B[5])), .YS(S_5_5), .YC(C_5_5));
  FAX1 U2639 (.A(S_4_7), .B(C_4_6), .C((A[5] & B[6])), .YS(S_5_6), .YC(C_5_6));
  HAX1 U2640 (.A(C_4_7), .B(~(A[5] & B[7])), .YS(S_5_7), .YC(C_5_7));
  FAX1 U2641 (.A(S_5_1), .B(C_5_0), .C((A[6] & B[0])), .YS(S_6_0), .YC(C_6_0));
  FAX1 U2642 (.A(S_5_2), .B(C_5_1), .C((A[6] & B[1])), .YS(S_6_1), .YC(C_6_1));
  FAX1 U2643 (.A(S_5_3), .B(C_5_2), .C((A[6] & B[2])), .YS(S_6_2), .YC(C_6_2));
  FAX1 U2644 (.A(S_5_4), .B(C_5_3), .C((A[6] & B[3])), .YS(S_6_3), .YC(C_6_3));
  FAX1 U2645 (.A(S_5_5), .B(C_5_4), .C((A[6] & B[4])), .YS(S_6_4), .YC(C_6_4));
  FAX1 U2646 (.A(S_5_6), .B(C_5_5), .C((A[6] & B[5])), .YS(S_6_5), .YC(C_6_5));
  FAX1 U2647 (.A(S_5_7), .B(C_5_6), .C((A[6] & B[6])), .YS(S_6_6), .YC(C_6_6));
  HAX1 U2648 (.A(C_5_7), .B(~(A[6] & B[7])), .YS(S_6_7), .YC(C_6_7));
  FAX1 U2649 (.A(S_6_1), .B(C_6_0), .C(~(A[7] & B[0])), .YS(S_7_0), .YC(C_7_0));
  FAX1 U2650 (.A(S_6_2), .B(C_6_1), .C(~(A[7] & B[1])), .YS(S_7_1), .YC(C_7_1));
  FAX1 U2651 (.A(S_6_3), .B(C_6_2), .C(~(A[7] & B[2])), .YS(S_7_2), .YC(C_7_2));
  FAX1 U2652 (.A(S_6_4), .B(C_6_3), .C(~(A[7] & B[3])), .YS(S_7_3), .YC(C_7_3));
  FAX1 U2653 (.A(S_6_5), .B(C_6_4), .C(~(A[7] & B[4])), .YS(S_7_4), .YC(C_7_4));
  FAX1 U2654 (.A(S_6_6), .B(C_6_5), .C(~(A[7] & B[5])), .YS(S_7_5), .YC(C_7_5));
  FAX1 U2655 (.A(S_6_7), .B(C_6_6), .C(~(A[7] & B[6])), .YS(S_7_6), .YC(C_7_6));
  HAX1 U2656 (.A(C_6_7), .B((A[7] & B[7])), .YS(S_7_7), .YC(C_7_7));
  HAX1 U2657 (.A(S_7_1), .B(C_7_0), .YS(S_8_0), .YC(C_8_0));
  FAX1 U2658 (.A(S_7_2), .B(C_8_0), .C(C_7_1), .YS(S_8_1), .YC(C_8_1));
  FAX1 U2659 (.A(S_7_3), .B(C_8_1), .C(C_7_2), .YS(S_8_2), .YC(C_8_2));
  FAX1 U2660 (.A(S_7_4), .B(C_8_2), .C(C_7_3), .YS(S_8_3), .YC(C_8_3));
  FAX1 U2661 (.A(S_7_5), .B(C_8_3), .C(C_7_4), .YS(S_8_4), .YC(C_8_4));
  FAX1 U2662 (.A(S_7_6), .B(C_8_4), .C(C_7_5), .YS(S_8_5), .YC(C_8_5));
  FAX1 U2663 (.A(S_7_7), .B(C_8_5), .C(C_7_6), .YS(S_8_6), .YC(C_8_6));
  FAX1 U2664 (.A(1'b1), .B(C_8_6), .C(C_7_7), .YS(S_8_7), .YC(C_8_7));
  assign O = {S_8_7,S_8_6,S_8_5,S_8_4,S_8_3,S_8_2,S_8_1,S_8_0,S_7_0,S_6_0,S_5_0,S_4_0,1'b0,1'b0,1'b0,1'b0};

endmodule