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Altera_Forum
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15 years ago

Lack of write to LUT or small ram in Altera

As far as I can tell, Altera LUT ram does not allow writing by user logic. This prevents a small ram from being implemented. My understanding is that Xilinx has patents ( expired ? ) on distrib...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Thanks for the info. I'll be looking forward to Cyclone 5. Small lut rams can

be very useful & an advantage compared to asic designs. I am converting

a Xilinx design into Altera & found the lack of small rams hindering. But then I figured out a different design which does away with the small rams

entirely. Lucky this time but I'll certainly look forward to Altera lut rams.