Before revision: Example: an asynchronous ripple-carry adder A ripple carry adder is a simple adder circuit, but slow because the carry signal has to propagate through each stage of the adder: Image:Rcainaction.png This diagram shows a 5-bit ripple carry adder in action.
After revision: Example: an asynchronous ripple-carry adder A ripple carry adder is a simple adder circuit, but slow because the carry signal has to propagate through each stage of the adder: A ripple carry adder schematic This diagram shows a 5-bit ripple carry adder in action.