Does it have an "Overflow" output? I think that would be the same as "Carry Out," though it has been a few years since my cpu design class.

Adders are one of the widely used digital components in digital integrated circuit design. In this paper, various adder structures can be used to execute addition such as serial and parallel ...

Complete Layout, Design and Optimization of a FPGA Configurable Logic Block for minimum energy and delay: The CLB can function as one 8-bit adder, two 4-bit adders, a subtractor, multiplier, counter ...

This 2-bit adder was a lot of work to build. It uses a total of thirty-six 555 timers and it does have the option of adding or subtracting numbers. It’s a rather unorthodox use of the part, depending ...