Click to expand Tap to zoom NTE Electronics NTE4008B IC CMOS 4-bit Full Adder W/Parallel Carry Out 16-lead Dip by EcoTech Solutions Inc. Sale $6.95 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart NTE Electronics NTE4008B IC CMOS 4-bit Full Adder W/Parallel Carry Out 16-lead Dip (ECG4008B, SK4008B)