29 Nov '11, 4pm

PCI Express 4.0 set for 2016; the "last [PCI] standard based on copper":

PCI Express 4.0 set for 2016; the "last [PCI] standard based on copper":

SAN JOSE, Calif. – The widely used PCI Express printed-circuit board interconnect will double its data rates to support up to 16 GTransfers/second in an upcoming version 4.0. The PCI Special Interest Group hopes to complete the spec by the end of 2014 and first systems using it could ship in 2016. PCIe 4.0 is expected to be the group's last standard based on copper. Given the group's traditional four-year cadence between releases, a revolutionary shift to optical board-level interconnects could begin in earnest about 2019. The PCI SIG has not completed work to determine detailed requirements for the spec. However members believe the 16 GT/s speeds probably will require at least two or three levels of decision-feedback equalization, also known as DFE taps. Designers needing to support current maximum distances covering 20 inches and two connectors probably will need re-driv...

Full article: http://www.eetimes.com/electronics-news/4230955/PCI-Expre...

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