Looking for 4Gb/s serdes

Aug 07, 2007 2 Replies
A

Hi,



I've been trying to find a SERDES part that is capable of handling



4Gb/s. The usual suspects (Vitesse, et al) seem to only do up to
3.5Gb/s, and then jump to 10Gb/s.

Since 4Gb/s is close to a standard rate (4Gb/s Fibre Channel, which is actually just over 4Gb/s on the line) I thought that there would be plenty of SERDES parts, but I can't find them.



Any pointers?



BTW, I can find plenty of IP cores, but I don't want to make an ASIC. I want a part that I can put on a board.



TIA, Allan


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A

I had looked at Virtex-5 from Xilinx, and (according to the latest datasheet) the fastest speed grade was short of 4Gb/s. Same for the Lattice parts.

I hadn't considered Altera, however. The Altera Stratix II GX is claimed to work at over 6Gb/s, so that might meet my needs.

Thanks, Allan

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