[9]. X1/X2/X3/X4 is the multiplicand, Y1/Y2/Y3/Y4 is the multiplier, and m1/m2/m3/m4/m5/m6/m7/m8 is the product, respectively. Each row of the array multiplier is built with ripple carry adders (RCAs). The array multiplier needs to check the bits of the multiplier one at ...