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Xilinx is expected to ship its first FPGAs featuring 56-gigabit transceivers next year.
The company demonstrated a 56-gigabit transceiver using 4-level pulse-amplitude modulation (PAM-4) at the recent OFC show. The 56-gigabit transceiver, also referred to as a serialiser-deserialiser (serdes), was shown successfully working over backplane specified for 25-gigabit signalling only.
Gilles GarciaXilinx's 56-gigabit serdes is implemented using a 16nm CMOS process node but the first FPGAs featuring the design will be made using a 7nm process. Gilles Garcia says the choice of 7nm CMOS is solely a business decision and not a technical one.
”Optical module [makers] will take another year to make something decent using PAM-4," says Garcia, Xilinx's director marketing and business development, wired communications. "Our 7nm FPGAs will follow very soon afterwards.”
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