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• PARALLEL ADDER• PARALLEL BINARY ADDER• PARALLEL BINARY SUBTRACTOR

MOHAMED KAMIL HUSSAIN

Parallel adders

• A circuit, consisting of n full adders, that will add n-bit binary numbers.

• The output consists of n sum bits and a carry bit.

• COUT of one full adder is connected to CIN of the next full adder.

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Parallel Adders

Parallel Binary Adders

Parallel Binary Adders

• Two-bit parallel binary adder

Parallel Binary Adders

• Four-bit parallel binary adder

1/2550 A. Yaicharoen 7

Parallel Binary Subtractor

Parallel (ripple) binary subtractor

1/2550 A. Yaicharoen 8

Parallel Binary Adder/Subtractor