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Xilinx ships the world’s first heterogeneous 3D FPGA

5/30/2012 03:43 PM EDT
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DrFPGA
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re: Xilinx ships the world’s first heterogeneous 3D FPGA
DrFPGA   6/6/2012 4:35:01 PM
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I'd like to know about any power dissipation issues that needed to be mitigated in the design of these devices. If there are 'hot spots' in one of the FPGA die will it impact functionality in other die? How about noise? What was done to manage this on chip. My guess is that it's easier than if the parts were on a PCB, but it would be great to hear about any details.

Max The Magnificent
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re: Xilinx ships the world’s first heterogeneous 3D FPGA
Max The Magnificent   6/1/2012 7:47:53 PM
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According to the Achronix press release, They have up to sixteen 28-Gbps SerDes, sixty-four 12.75-Gbps SerDes and 960 general purpose 2.133-Gbps I/O. They also say they will begin shipping samples in Q3 2012 – so that would be July – Aug – Sept. I didn’t notice any mention of available Gearbox or other IP for enabling application development By comparison, the Xilinx press release says: V7 HT devices feature up to sixteen 28 Gbps and seventy-two 13.1 Gbps transceivers – that’s in reference to the largest device, the V7 H870T. The H580T that they just announced shipments of has has 8 X 28Gbs, 48 X 13.1Gpbs. Xilinx don't talk about the regular I/O in the PR, but the product table shows a total of 962 i/o resources.

Max The Magnificent
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re: Xilinx ships the world’s first heterogeneous 3D FPGA
Max The Magnificent   6/1/2012 7:43:11 PM
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You are correct -- my bad -- I will tweak it -- Max

AndyMcC
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re: Xilinx ships the world’s first heterogeneous 3D FPGA
AndyMcC   6/1/2012 6:35:34 PM
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Max, You wrote "the only single chip solution", surely you meant "single package".

alex_m1
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re: Xilinx ships the world’s first heterogeneous 3D FPGA
alex_m1   5/31/2012 11:26:48 PM
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I think the new achronix 22nm fpga has comparable bandwidth: it offers 16X28gbps and 80 something 13gbps links.

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