8 Bit Array Multiplier Verilog Code May 2026

// Middle rows (i=1 to 6) genvar i; generate for (i = 1; i < 7; i = i + 1) begin // First bit of row i ha ha_i0 (.a(pp[i][0]), .b(s[i-1][0]), .sum(s[i][0]), .carry(c[i][0])); // Remaining bits for (j = 1; j < 7; j = j + 1) begin fa fa_ij (.a(pp[i][j]), .b(s[i-1][j]), .cin(c[i][j-1]), .sum(s[i][j]), .cout(c[i][j])); end // Last bit of row i assign s[i][7] = c[i][6]; end endgenerate

endmodule The above manual connection for final product is simplified. A cleaner implementation uses a 2D array of carry-save adders. Below is a more elegant version using generate loops. 4.4 Optimized Structured Version module array_multiplier_8bit_optimized ( input [7:0] A, B, output [15:0] P ); wire [7:0] pp [0:7]; wire [7:0] s [0:7]; // sum between rows wire [7:0] c [0:7]; // carry between rows // Partial product generation generate for (i = 0; i < 8; i = i + 1) begin for (j = 0; j < 8; j = j + 1) begin assign pp[i][j] = A[i] & B[j]; end end endgenerate 8 bit array multiplier verilog code

[ P = \sum_i=0^7 (A \cdot B_i) \cdot 2^i ] // Middle rows (i=1 to 6) genvar i;

// First row (i=0): just pass partial product (no addition) assign P[0] = pp[0][0]; The product ( P = A \times B

This work implements an using structural and dataflow modeling in Verilog. 2. Multiplication Algorithm Let the multiplicand be ( A = A_7A_6...A_0 ) and multiplier be ( B = B_7B_6...B_0 ). The product ( P = A \times B ) is computed as:

assign final_sum[7] = final_carry[6];

// Final row (row 7) -> outputs become final product bits // P[1] to P[7] come from sum[0..6] and final additions wire [7:0] final_sum; wire [7:0] final_carry;