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Altera_Forum
Honored Contributor I
816 Views

Maximum width of FIFO

Hello, 

 

The maximum width of a FIFO in the IP catalog GUI wizard is limited to 256 bits. 

I need a wider FIFO and want to avoid cascading FIFOs. 

 

Will it work to manually change the generated HDL instantiation file to the width I desire (for example 1024 bits) ?
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2 Replies
Altera_Forum
Honored Contributor I
25 Views

Did you try it? what were the results? 

Why not use two parrallel fifos?
Altera_Forum
Honored Contributor I
25 Views

 

--- Quote Start ---  

The maximum width of a FIFO in the IP catalog GUI wizard is limited to 256 bits. 

--- Quote End ---  

 

No it isn't. IP user guides say 

 

--- Quote Start ---  

Note that you can manually enter a number that is not in the drop-down list. 

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