On 6/21/06, Timothy Miller <[EMAIL PROTECTED]> wrote:

> to compare it :
>  _______________ECP2-50______________XC3S4000
> Ram block______21 1024*18 bits______94 1024*18 bits
> 18x18 mul______90___________________96
> slice___________24k__________________6.9k

The 4000 slice figure is wrong.  It has 27K slices.

> (slice = 2 lut + 2 FF)

I see where the confusion is.  There are 6912 CLBs in the 4000.  There
are 4 slices per CLB, making it 27648 slices, or 55296 LUTs.
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