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THAUS1's avatar
THAUS1
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4 years ago

MAX10 EPE M9K Fmax limit?

Hi, I try to use EPE on MAX10. I generate accuTrack_early_pwr.csv file. My design have some dual port block ram running at 320MHz: BLOCK,M9K,count,1,ram_mode,"Simple Dual Port",ram_read_during_...
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
4 years ago

Exactly which MAX10 device, speed grade, and temp grade do you have specified in your design?

Because per that table, only the -I6 (fastest) class dual supply device can run the block ram at 320MHz.

You have the -C8 (slowest) highlighted. Is that what you are using?

THAUS1's avatar
THAUS1
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4 years ago

Hello,
I use 10M50DAF484C8G, so C8 grade...so slowest.
But my questions are more, why it there a limitation of 260MHz in EPE rather than 250Mhz?
Why also is there nothing appearing 'in red' as an error if Fmax is violated like setup/hold violations (using 320MHz rather than 250MHz)?

Thanks for your help.