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Propagation delay for carry lookahead adder 
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#1
Apr1708, 07:55 PM

P: 25

1. The problem statement, all variables and given/known data
1) I'm using a 4 bit carry lookahead adder to build a 8 bit parallel adder. I'm to calculate the maximum propagation delay time, assuming each gate introduces a unit time of propagation delay. I'm assuming not carry lookahead generators. Would it just be 8 units of propagation delay? 2) If I had a 16 bit adder using carry lookahead generators, what would the maximum propagation delay time, assuming each gate introduces a unit time of propagation delay. Thanks 


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