The 'ACT283 high-speed 4-bit binary full adder with internal carry lookahead accepts two 4-bit binary words (A0-A3, B0-B3) and a Carry input (C0). It generates the binary Sum outputs (S0-S3) and the Carry output (C4) from the most significant bit. The 'ACT283 will operate with either active HIGH or active LOW operands (positive or negative logic).
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