DFI - Ddr-phy.org
AUSTIN, Texas, May 2, 2018 - The DDR PHY Interface (DFI) Group as we speak launched model 5.Zero of the specification for interfaces between excessive-pace memory controllers and physical (PHY) interfaces to assist the necessities of future cell and server memory standards. The DFI specifications, broadly adopted all through the memory industry, allow greater interoperability. The DFI Group included a number of interface improvements in this newest specification. The new version of the specification adds protocol help for the newest DDR and low-power memory technologies. Earlier variations of the specification outlined Memory Wave Protocol coaching across the interface between the memory controller and the PHY. The brand new specification fully transitions to PHY-unbiased training mode where the PHY trains the memory interface without involving the controller. Different interface enhancements include decrease power enhancements, offering a PHY-independent boot sequence, expanding frequency change assist, and defining new controller-to-PHY interface interactions. "The business is beginning to embrace new low-energy and DDR memory applied sciences, together with high-efficiency devices corresponding to servers, storage, and networking; autonomous automobiles; and low-energy handheld units and IoT," said John MacLaren, DFI Group chairman and Cadence design engineering architect.
"The DFI Group, consisting of consultants from leading corporations in the industry, is enthusiastic to contribute to enabling this transition with the newest release of the DFI specification. "Adopting open and customary interfaces like the brand new DFI 5.Zero specification for top-velocity memory controller and PHY interface permits AMD to effectively and effectively adopt new memory standards as we ship high-efficiency products to our prospects. "Cadence has been a key contributor to the DFI 5.0 commonplace, which helps to ensure interoperability between DDR PHYs and DDR controllers, significantly for future memory units," mentioned Marc Greenberg, group director, product advertising and marketing, DDR, HBM, flash/storage and MIPI IP. "As a leading supplier of DDR IP and Verification IP, Synopsys makes vital investments to make sure that our DesignWare
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