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74LS83 Datasheet

4-bit Binary Full Adder

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

74LS83 Overview

The LS83A adds two 4-bit binary words (A plus B) plus the ining carry. The binary sum appears on the sum outputs (∑1 ∑4) and outgoing carry (C4) outputs. C0 + (A1+B1)+2(A2+B2)+4(A3+B3)+8(A4+B4) = ∑1+2∑2+4∑3+8∑4+16C4 Where:.

74LS83 Key Features

  • B4 C0 Σ1
  • C3 are generated internally C0
  • is an external input C4
  • is an output generated internally

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