Privacy Policy
Sitemap » Electronics » Digital Electronics » Adder » Let's go... » Experiment 4 - 2-bit Adder

Experiment 4 - The 2-bit Adder

The LSB (A0 and B0) is added by a half adder. The Carry-OUT of the half adder is connected to the Carry-IN of the full adder. The full adder now adds the MSB (A1 and B1).

Circuit diagram of a 2-bit adder.

The result is displayed by Q0 and Q1 with the Carry-OUT CO.

Circuit 2-bit adder. (Enlarge)

This circuit is called a ripple-carry adder. In the next experiments, you will learn what this is all about and why this circuit has a serious drawback.

Related Topics

Related Experiments


Useful Information

Social Media