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CraftBook/MC4110

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MC4100
3I3O.png
3I3O (3 input, 3 output)
Half Subtractor

The MC4100 implements a half subtractor.

Sign parameters

There are no sign parameters.

Pins

Inputs

  1. Always ignored (front input)
  2. Bit to subtract from (minuend)
  3. Bit to subtract (subtrahend)

Outputs

  1. Difference
  2. Borrow
  3. Borrow (always same as output 2)

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