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MC14560B - NBCD Adder

Datasheet Summary

Features

  • r the subtraction of the NBCD numbers, A and B: R=A.
  • B where R is the result. Now bias both sides of the equation by 10N.
  • 1 where N is the number of digits in A and B. R + 10N.
  • 1 A.
  • B + 10N.
  • 1 Rearranging, R + 10N.
  • 1 A + (10N.
  • 1.
  • B) The term (10N.
  • 1.
  • B),.
  • B biased by 10N.
  • 1, is known as the 9’s complement of B. When A > B, R + 1.

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Datasheet preview – MC14560B

Datasheet Details

Part number MC14560B
Manufacturer Motorola
File Size 307.31 KB
Description NBCD Adder
Datasheet download datasheet MC14560B Datasheet
Additional preview pages of the MC14560B datasheet.

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Full PDF Text Transcription

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14559B See Page 398 MC14560B NBCD Adder The MC14560B adds two 4–bit numbers in NBCD (natural binary coded decimal) format, resulting in sum and carry outputs in NBCD code. This device can also subtract when one set of inputs is complemented with a 9’s Complementer (MC14561B). All inputs and outputs are active high. The carry input for the least significant digit is connected to VSS for no carry in.
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