Approximate multipliers

Number of Slice LUTs

Slices

Delay (ns)

Energy consumption (nJ)

Existing SSM 8 × 8 [13]

116

46

22.624

0.452

Existing SSM10 × 10 [13]

170

57

19.71

0.545

Proposed HSAM [pro]

125

42

16.104

0.305

Proposed EHSAM [pro]

93

32

12.094

0.217