Solved: Fastest Dual Clocked Fifos

greenghecco · ‎09-24-2013

Hello,

is there any advisement which is the fastest dual cloked Fifo (Block Ram, Distributed Ram or Built-in FIFO)?

Thanks for helping.

balkris · ‎10-30-2013

Built-in FIFO has better performance and Block ram FIFO because of Access time. Again Distributed FIFO slower then built in FIFO and faster then Block RAM.

I think FIFO selection depends upon number of things. If you need higher depth FIFO better to use block based FIFO.

Built in FIFO only available in Virtex devices

Thanks and Regards
Balkrishan
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rcingham · ‎09-25-2013

Which FPGA?
How big is your FIFO?

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"If it don't work in simulation, it won't work on the board."

greenghecco · ‎10-17-2013

Virtex6 lx240t, Fifo Size just 16 Bit width and 16 entries

balkris · ‎10-30-2013

Built-in FIFO has better performance and Block ram FIFO because of Access time. Again Distributed FIFO slower then built in FIFO and faster then Block RAM.

I think FIFO selection depends upon number of things. If you need higher depth FIFO better to use block based FIFO.

Built in FIFO only available in Virtex devices

Thanks and Regards
Balkrishan
--------------------------------------------------------------------------------------------
Please mark the post as an answer "Accept as solution" in case it helped resolve your query.
Give kudos in case a post in case it guided to the solution.

View solution in original post