Ken Shirriff on Nostr: By tracing out the circuitry of the adder, I created a schematic. It takes a lot of ...

By tracing out the circuitry of the adder, I created a schematic. It takes a lot of logic gates to build a carry-lookahead adder, but it is faster than a regular adder. It figures out all the carries in parallel, using a tricky technique of merging "generate" and "propagate" signals. 3/n