It is a straightforward full-adder circuit but it is made directly out of the kmaps for both outputs.
Standard full-adder usage. But the implementation is different though.
None.
# | Input | Output | Bidirectional |
---|---|---|---|
0 | A | SUM | |
1 | B | C-OUT | |
2 | C-IN | ||
3 | |||
4 | |||
5 | |||
6 | |||
7 |