https://hwwiki.net/ 2026-05-03T20:40:40+00:00 https://hwwiki.net/ https://hwwiki.net/lib/tpl/dokuwiki/images/favicon.ico text/html 2026-04-15T09:00:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://hwwiki.net/doku.php?id=%E5%85%83%E5%99%A8%E4%BB%B6:ic:memory:ddr:start&rev=1776214839&do=diff DDR(Double Date Rate) 标准组织为JEDEC，官网jedec.org，早期的标准文档个人注册后可免费下载，近期发布的需要付费 常用标准 DDR: * DDR5: JESD79-5.pdf * DDR4: JESD79-4C.pdf * DDR3U: JESD79-3-2.pdf * DDR3L: JESD79-3-1A-01.pdf * DDR3: JESD79-3F.pdf * DDR2: JESD79-2F.pdf * DDR1: JESD79F.pdf LPDDR: * LPDDR5/5X: