74F583 Description
The ’F583 high-speed 4-bit, BCD full adder with internal carry lookahead accepts two 4-bit decimal numbers (A0 A3, B0 B3) and a Carry Input (Cn). It generates the decimal sum outputs (S0 S3), and a Carry Output (Cn+4) if the sum is greater than 9. The 'F583 is the functional equivalent of the 82S83.