The 7483 is a high-speed 4-Bit binary Full Adder with internal carry lookahead. It accepts two 4-bit binary words (A1?A4, B1?B4) and a
Carry Input (C0). It generates the binary Sum outputs R1?R4) and the Carry Output (C4) from the most significant bit. The 7483 operates with either active HIGH or active LOW operands (positive or negative logic). The 7483 is recommended for new designs since it is identical in function with this device and features standard corner power pins.