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Message
From: John Sheahan <jrsheahan@o...>
Date: Fri, 14 Mar 2003 08:24:08 +1100
Subject: Re: [oc] a newbie question
On Wed, Mar 12, 2003 at 11:16:49AM -0800, Ken Lim wrote:
> How do you estimate the gate count from a vhdl code ?
> Thanks.
>
> Ken
the easy way is to synthesize it.
The estimation way is to count the flipflops, which is easy
enough from the processes.
Multiply by 20. (10 gates for an asic flop, half the gates are in
flops)
this is suprisingly accurate for anything not small.
It is influenced by style - but not vastly. With a little practice
a fudge factor is possible.
john
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