Xilinx announced Virtex-7 H580T begin shipping FAQ
1. What is Xilinx released the information?
• Xilinx announced the start shipping the world's first heterogeneous 3D All Programmable devices - Virtex-7 H580T FPGA.
· Virtex-7 HT using Xilinx stacked silicon interconnect (SSI) 3D interposer (an interposer) technology, the FPGA industry's highest bandwidth, 28Gbps having up to 16 transceivers and 72 13.1Gbps, only industry a 200G and 400G models to meet the single-chip solution for critical applications.
· Combined with Xilinx's leading 100G transmission mechanism (gearbox), Ethernet MAC, OTN and Interlaken IP, Virtex-7 HT can provide customers with different systems integration to help them meet the space when the transition to CFP2 optical module, power and cost requirements.
· Xilinx 28 Gbps latest video technology, Virtex-7 H580T shows the eye diagram and jitter of its ability to provide, CFP2 meets performance requirements of the optical module is connected. About the new white paper and video, see 28 Gbps serial transceiver technology Xilinx web page.
2. What is driving growth Xilinx 28Gbps transceiver solutions program requirements?
· Communications equipment OEM manufacturers faced with the double density device while keeping power consumption constant, and pressure to reduce costs. CFP optical module with respect to the terms, the optical module may enable a new generation of CFP2 100-- 400Gbps system designed to maximize the bandwidth density panels, without increasing the size and power consumption.
• The need to 10Gbps data rates in the range of SEREDES between 28Gbps, to support higher bandwidth. The optical module chip to chip jitter requirements to the backplane and the inter-chip interfaces are becoming extremely strict, but also in addition to the power consumption of the Xilinx when developing Virtex-7 HT FPGA (including Virtex-7 H290T and Virtex-7 H870T) another focus of outside interest.
· Build customer 400Gbps line cards desired input single-chip solution with 16 28Gbps transceiver is connected to the optical module of CFP2 4 400Gbps. The system also requires about 48 to 72 connected to a plurality of transceivers 10.3125Gbps data rate or NPU or 400Gbps of ASIC 200Gbps. In addition provided with Virtex-7 HT 28Gbps transceiver 16, Xilinx is 100Gbps, 2 x 100Gbps applications with 4 or 8 28Gbps transceiver device.
3. The need for high-speed 28Gbps transceiver standards and protocols What?
· IEEE 802.3
· 25Gbps Infiniband
· 32Gbps Infiniband
· OIF / CEI 28G-SR
· OIF / CEI 28G-VSR
4. Virtex-7 H580T FPGA What are the main common application support?
· Common applications include dual transmission function and integrated implementation 200G OTN transponder
· 2 x 100G MAC bridge to Interlaken
Dual shift mechanism (Gearbox) integrated OTN Mapper
· Native 200G OTN repeater and is directly connected to the optical module CFP2.
5. What is the mechanism of transmission (gearbox)?
· Shift mechanism (Gearbox) is on-chip IP function, 4x25-28Gbps CFP2 the optical module may be converted to 10x 10.3-11.18Gbps interface for existing ASIC / ASSP. The shift mechanism (Gearbox) can also serve as a repeater / NCC mechanism of the CFP2 4x25-28Gbps into 10x10.3-11.18Gbps, and is connected to existing ASIC / ASSP.
6. What is a CFP optical module?
· CFP optical module connected to a network device interfaces 100G, 100G of the optical signal into the channels 10, each channel data rate up to 10Gbps.
· CFP2 optical module is a module for the new generation of optical communication 100G, 100G of the optical signal can be converted into a single channel 4 25Gbps or 10Gbps channel 10 (after achieve backward compatibility). CFP is half the width of the module, and thus can reduce power consumption to double density.
· CFP4 is the second CFP2 next-generation 100G optical module is expected to be listed by the end of 2013 or early 2014.
What is the difference between 7. GTH and GTZ?
• GTH transceiver provides 13.1 Gb / s line speed. In this application of linear velocity comprises 10G optical communication, inter-chip interface, complex backplanes. GTH transceivers continuous-time linear equalizer (the CTLE) and a decision feedback equalizer (DFE) to compensate for signal distortion from the channel.
• GTZ transceiver provides 28.05 Gb / s speeds, designed for short-distance applications and are directly connected CFP2 CFP4 optical module, is also applicable to retimers longer channel. In the above case, the receiver supports only CTLE be enough to compensate the signal distortion.
8. Virtex-7 HT relative to competing Solutions How to behave?
· Higher bandwidth: single integrated four times or more FPGA devices 28Gbps transceiver 72 and transceiver 13.1Gbps, programmable relative to other solutions in terms of increased bandwidth of 2.7 times, and two-way bandwidth up 2.8Tbps, and similar two-way bandwidth of competing solutions only 1Tbps.
· Lower jitter: prior art serial transceivers transmit eye running at 28Gbps, PRBS-31bps, low jitter OIF CEI28G meet regulatory requirements.
· Lower noise: schema-based SSI noise coupling between the analog and digital circuits is reduced 5-10db. Technology area
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