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Newbie vyella1
Newbie
693 Views
Registered: ‎01-31-2018

bram's synthesizing as lutram's at high frequency

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Hi ,

I am doing synthesis for an encoder design and at lower frequencies the memories portion of the design is synthesizing as BRAM's, but when I am running the same design at higher frequencies (above 400MHz onwards) the same memory portion of the design is getting synthesized as LUTRAM's. Can you suggest me any method or any VIVADO command where I can avoid the memory portion of my design not getting synthesize as lutram's at higher frequencies.

 

Thank you,

Vamsi

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1 Solution

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Moderator
Moderator
1,005 Views
Registered: ‎07-21-2014

Re: bram's synthesizing as lutram's at high frequency

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@vyella1

 

Did you try using RAM_STYLE attribute to push the logic in BRAM?

 

Thanks,

Anusheel

Thanks
Anusheel
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2 Replies
Moderator
Moderator
1,006 Views
Registered: ‎07-21-2014

Re: bram's synthesizing as lutram's at high frequency

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@vyella1

 

Did you try using RAM_STYLE attribute to push the logic in BRAM?

 

Thanks,

Anusheel

Thanks
Anusheel
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Newbie vyella1
Newbie
637 Views
Registered: ‎01-31-2018

Re: bram's synthesizing as lutram's at high frequency

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Hi anusheel,

 

I tried using it and it is not working, but when I synthesized on a different chip the memory is synthesizing as BRAM's only at higher frequencies also.

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