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Graphics Double Data (GDDR4) SGRAM Standard

Release Number: 16 		SDRAM3.11.5.8 R16.01 Mar 2023

Item 1600.41, Terminology Update  This document defines the Graphics Double Data Rate 4 (GDDR4) Synchronous Graphics RandomAccess Memory (SGRAM) standard, including features, functionality, package, and pin assignments. This scope may be expanded in future to also include other higher density devices.

Committee(s): JC-42.3

JESD21-C Solid State Memory Documents Main Page

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DRIVER SPECIFICATIONS FOR 1.8 V POWER SUPPLY POINT-TO-POINT DRIVERS

 JESD8-17 Nov 2004

This material is intended to be reflected in supplier specifications for point to point DDR devices ranging from 400 Mb/s to 800 Mb/s operation. It is a method to specify driver impedance with something other than a number that does not nec-essarily define how it operates in a real net This standard addresses this issue using net lengths and specifies how much uncertainty can exist in the data for each speed supported.

Committee(s): JC-16.1, JC-16

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