DDR4-SDRAM协议原版下载 1. Scope 1 2. DDR4 SDRAM Package Pinout and Addressing ............ 2 2.1 DDR4 SDRAM Row for X4,X8 and X16 ........2 2.2 DDR4 SDRAM Ball Pitch......2 2.3 DDR4 SDRAM...