{"id":4348,"date":"2025-03-21T14:04:00","date_gmt":"2025-03-21T05:04:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=4348"},"modified":"2025-12-22T10:47:49","modified_gmt":"2025-12-22T01:47:49","slug":"flash-nonvolatile-basics","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/flash-nonvolatile-basics\/","title":{"rendered":"\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u57fa\u790e\u77e5\u8b58\uff1a\u7a2e\u985e\u3001\u7279\u5fb4\u3001\u6700\u65b0\u52d5\u5411"},"content":{"rendered":"\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u57fa\u790e\u77e5\u8b58\u3092\u89e3\u8aac\u3057\u3001NAND\u578b\u30fbNOR\u578b\u306e\u9055\u3044\u3084SLC\/MLC\/TLC\/QLC\u306e\u7279\u6027\u3001\u6700\u65b0\u306e3D NAND\u6280\u8853\u3084\u6b21\u4e16\u4ee3\u30e1\u30e2\u30ea\u3067\u3042\u308bReRAM\u3001MRAM\u3001FeRAM\u306e\u52d5\u5411\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u57fa\u672c\u6982\u5ff5<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u306f\uff1f<\/strong><\/h3>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u3001\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\uff08Non-Volatile Memory, 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class=\"wp-block-heading\"><strong>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u6b74\u53f2\u3068\u767a\u5c55<\/strong><\/h3>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u30011980\u5e74\u4ee3\u306b\u6771\u829d\u306e\u821b\u5ca1\u5bcc\u58eb\u96c4\u6c0f\u306b\u3088\u3063\u3066\u767a\u660e\u3055\u308c\u307e\u3057\u305f\u3002\u521d\u671f\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u4e3b\u306bNOR\u578b\u3067\u3057\u305f\u304c\u3001\u305d\u306e\u5f8c\u3001\u30b3\u30b9\u30c8\u3068\u8a18\u61b6\u5bc6\u5ea6\u306e\u5411\u4e0a\u3092\u76ee\u7684\u306bNAND\u578b\u304c\u4e3b\u6d41\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u73fe\u5728\u3067\u306f\u30013D NAND\u6280\u8853\u306e\u9032\u5316\u306b\u3088\u308a\u3001\u3055\u3089\u306a\u308b\u9ad8\u5bc6\u5ea6\u5316\u3068\u4f4e\u30b3\u30b9\u30c8\u5316\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\"><strong>SLC\/MLC\/TLC\/QLC\u306e\u7279\u6027\u6bd4\u8f03<\/strong><\/h3>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u8a18\u61b6\u30bb\u30eb\u306b\u306f\u3001SLC\uff08Single-Level Cell\uff09\u3001MLC\uff08Multi-Level Cell\uff09\u3001TLC\uff08Triple-Level Cell\uff09\u3001QLC\uff08Quad-Level Cell\uff09\u306a\u3069\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002SLC\u306f1\u30bb\u30eb\u3042\u305f\u308a1\u30d3\u30c3\u30c8\u306e\u60c5\u5831\u3092\u683c\u7d0d\u3057\u3001\u9ad8\u901f\u3067\u9ad8\u8010\u4e45\u6027\u3067\u3059\u304c\u3001\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u3067\u3059\u3002MLC\u3001TLC\u3001QLC\u3068\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u8a18\u61b6\u5bb9\u91cf\u306f\u5897\u52a0\u3059\u308b\u3082\u306e\u306e\u3001\u66f8\u304d\u63db\u3048\u8010\u4e45\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3D NAND\u6280\u8853\u3068\u305d\u306e\u5229\u70b9<\/strong><\/h3>\n\n\n\n<p>\u5f93\u6765\u306e2D NAND\u3067\u306f\u30bb\u30eb\u3092\u5e73\u9762\u72b6\u306b\u914d\u7f6e\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u30013D NAND\u306f\u30bb\u30eb\u3092\u5782\u76f4\u306b\u7a4d\u5c64\u3059\u308b\u3053\u3068\u3067\u9ad8\u5bc6\u5ea6\u5316\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30b9\u30c8\u524a\u6e1b\u3068\u6d88\u8cbb\u96fb\u529b\u306e\u4f4e\u6e1b\u3001\u5bff\u547d\u306e\u5ef6\u9577\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u7279\u306b\u3001SSD\u5e02\u5834\u306b\u304a\u3044\u30663D NAND\u306f\u4e3b\u6d41\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3084\u30cf\u30a4\u30a8\u30f3\u30c9PC\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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