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+1  Q: 

Ripple Carry Adder

How can I calculate the gates delay for a 32-bit Ripple Carry Adder? Please explain.

A: 

http://en.wikipedia.org/wiki/Adder_%28electronics%29#Ripple_carry_adder

leppie
Thank you, but can you explain why? :)
Gæst
Look at the individual adders. That formula is quite explanatory.
leppie