https://blog.wongcw.com/2022/10/05/%e7%be%8e%e5%85%89%e5%92%8c%e5%87%b1%e4%bf%a0%e5%9d%87%e5%ae%a3%e5%b8%83%e6%b8%9b%e7%94%a2dram%e5%92%8cnand-%e5%85%b6%e4%bb%96%e5%bb%a0%e5%95%86%e6%88%96%e8%b7%9f%e9%80%b2/