Inphi Will have general availability in Q4 of 4-level Pulse Amplitude Modulation (PAM4) chipset solutions for 40/50/100/400G and a companion linear TIA for multi-rate PAM4 interconnects.
The foundation of the PAM4 PHY IC solutions is InphiNity Core DSP Engine and a media agnostic dual mode OmniConnecttransmitter architecture that can be targeted to multiple different performance oriented applications for optical and copper based interconnects, while keeping a low power profile.
There is a clear need to increase the speed of interconnect pipes while maintaining cloud economics and lowering carbon footprints. PAM4 modulation has now been recognized as the modulation scheme that will take the industry over the next wave of Ethernet deployments for optical and copper interconnects by doubling the bits per symbol at the same baud rate.
By integrating multiple channels along with transmit and receive PAM4 and FEC functions on a single IC, Inphi is able to double the levels of integration available from existing PAM4 IC offerings and scale the solution across multiple rates.
“With multiple contributions on PAM4 technology in the IEEE and other industry MSAs and with the IEEE 400Gbps taskforce agreeing to use PAM4 for next- generation electrical and optical interfaces, Inphi has now proven that not only does the technology work, but can be productized and is indeed the right way forward to 40/50/100/400G and beyond,”says Inphi’s Siddarth Sheth.
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