GtAO^ro^
s, s, s, s,
Błock diagram of a 4-bit cairy lookahead addcr.
~~ Su.*IL*ło
y* *> yz *z yi*i n *o c*
*-i ^So + CoP*
c: = Si +P\Zo+P:PsC0,
CJ * fc * P: Si +PzP’ go ~PzP\P<iG>
C* aSi +P)Zz ^P-P'.g\ +PiP:P\ So ~PiP:P:Po C>