Four-Bit Full-Adder ICS
- There are a number of ICs available that contain adder circuits.
- The 7483 and 4008 are examples of ICs with 4 full-adder circuits.
- The 7483 and 4008 use a fast-look-ahead carry circuit to speed up the circuit propagation time. Without this circuit the carry would have to ripple through all 4 bits.