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74F283 - 4-bit binary full adder

Description

The 74F283 adds two 4-bit binary words (An plus Bn) plus the incoming carry.

Σ3) and the outgoing carry (COUT) according to the equation: CIN+20(A0+B0)+21(A1+B1)+22(A2+B2)+23(A3+B3) =Σ0+2Σ1+4Σ2+8Σ3+16COUT where (+)=plus Due to the symmetry of the

Features

  • High speed 4-bit addition.
  • Cascadable in 4-bit increments.
  • Fast Internal carry look-ahead.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS 74F283 4-bit binary full adder with fast carry Product specification IC15 Data Handbook 1989 Mar 03 Philips Semiconductors Philips Semiconductors Product specification 4-bit binary full adder with fast carry 74F283 FEATURES • High speed 4-bit addition • Cascadable in 4-bit increments • Fast Internal carry look-ahead DESCRIPTION The 74F283 adds two 4-bit binary words (An plus Bn) plus the incoming carry. The binary sum appears on the sum outputs (Σ0–Σ3) and the outgoing carry (COUT) according to the equation: CIN+20(A0+B0)+21(A1+B1)+22(A2+B2)+23(A3+B3) =Σ0+2Σ1+4Σ2+8Σ3+16COUT where (+)=plus Due to the symmetry of the binary add function, the 74F283 can be used with either all active-High operands (positive logic) or with all active-Low operands (negative logic).
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