{"id":1995,"date":"2022-04-08T12:15:37","date_gmt":"2022-04-08T12:15:37","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=1995"},"modified":"2023-10-05T12:13:29","modified_gmt":"2023-10-05T12:13:29","slug":"part-2-how-does-flash-memory-work","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/ja\/part-2-%e3%83%95%e3%83%a9%e3%83%83%e3%82%b7%e3%83%a5%e3%83%a1%e3%83%a2%e3%83%aa%e3%83%bc%e3%81%ae%e4%bb%95%e7%b5%84%e3%81%bf\/","title":{"rendered":"\u30d1\u30fc\u30c82 \u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u4ed5\u7d44\u307f"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-1024x576.jpg\" alt=\"\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u4ed5\u7d44\u307f\" class=\"wp-image-1996\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-1024x576.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-300x169.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-768x432.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-1536x864.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail-18x10.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Thumbnail.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">SD\u30ab\u30fc\u30c9\u30b7\u30ea\u30fc\u30ba - Part 2<\/figcaption><\/figure>\n<\/div>\n\n\n<p>SD\u30ab\u30fc\u30c9\u306e\u5fc3\u81d3\u90e8\u306f\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u30c1\u30c3\u30d7\u3067\u3059\u3002SD\u30ab\u30fc\u30c9\u306e\u54c1\u8cea\u304c\u5e38\u306b\u540c\u3058\u3067\u306a\u3044\u7406\u7531\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304c\u3069\u306e\u3088\u3046\u306b\u88fd\u9020\u3055\u308c\u3001\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001SD\u30ab\u30fc\u30c9\u306b\u3064\u3044\u30663\u56de\u306b\u6e21\u308b\u30df\u30cb\u30b7\u30ea\u30fc\u30ba\u306e\u4e00\u90e8\u3067\u3001\u3088\u308a\u6df1\u3044\u60c5\u5831\u3092\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/sd-card-classes\/\">Part 1 - SD\u30ab\u30fc\u30c9\u306e\u5206\u985e\u3068\u7528\u9014\u306b\u5fdc\u3058\u305f\u30ab\u30fc\u30c9\u306e\u9078\u3073\u65b9<\/a><\/li>\n\n\n\n<li>\u7b2c2\u56de \u300c\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u4ed5\u7d44\u307f<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c83 <a href=\"https:\/\/picockpit.com\/raspberry-pi\/part-3-what-are-card-grades-and-why-are-they-important\/\">\u30ab\u30fc\u30c9\u306e\u6210\u7e3e\u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u91cd\u8981\u306a\u306e\u304b<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30f3\u30c6\u30f3\u30c4<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#why-silicon\">\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306b\u30b7\u30ea\u30b3\u30f3\u304c\u4f7f\u308f\u308c\u308b\u7406\u7531<\/a><\/li>\n\n\n\n<li><a href=\"#silicon-wafer-production\">\u30b7\u30ea\u30b3\u30f3\u30a6\u30a7\u30fc\u30cf\u306e\u751f\u7523<\/a><\/li>\n\n\n\n<li><a href=\"#production-of-dies\">\u91d1\u578b\u88fd\u4f5c<\/a><\/li>\n\n\n\n<li><a href=\"#flash-memory-structure\">\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u69cb\u9020<\/a><\/li>\n\n\n\n<li><a href=\"#reading-and-writing-data\">\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u51fa\u3057\u3068\u66f8\u304d\u8fbc\u307f<\/a><\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u30c8\u30d4\u30c3\u30af\u306e\u6982\u8981\u3084\u7c21\u5358\u306a\u6ce8\u610f\u4e8b\u9805\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u3053\u306e\u60c5\u5831\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5f79\u306b\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-724x1024.jpg\" alt=\"SD\u30ab\u30fc\u30c9\u3068\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u30a4\u30f3\u30d5\u30a9\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\" class=\"wp-image-2011\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-724x1024.jpg 724w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-212x300.jpg 212w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-768x1086.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-1086x1536.jpg 1086w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-1448x2048.jpg 1448w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-8x12.jpg 8w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/5-Flash-Memory-scaled.jpg 1811w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><figcaption class=\"wp-element-caption\">5 \u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-silicon\">\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306b\u30b7\u30ea\u30b3\u30f3\u304c\u4f7f\u308f\u308c\u308b\u7406\u7531<\/h2>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30de\u30a4\u30af\u30ed\u30c1\u30c3\u30d7\u306f\u3001\u534a\u5c0e\u4f53\u3067\u3042\u308b\u305f\u3081\u30b7\u30ea\u30b3\u30f3\u3067\u3067\u304d\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u307f\u96fb\u6c17\u3092\u901a\u3059\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u4e0a\u3001\u30b7\u30ea\u30b3\u30f3\u306f\u5730\u6bbb\u306e\u4e2d\u306b2\u756a\u76ee\u306b\u591a\u304f\u5b58\u5728\u3059\u308b\u5143\u7d20\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon-1024x513.jpg\" alt=\"\u30b7\u30ea\u30b3\u30f3\" class=\"wp-image-2001\" style=\"width:393px;height:196px\" width=\"393\" height=\"196\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon-1024x513.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon-300x150.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon-768x385.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon-18x9.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Silicon.jpg 1536w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><figcaption class=\"wp-element-caption\">\u30b7\u30ea\u30b3\u30f3<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30b7\u30ea\u30b3\u30f3\u306f\u534a\u5c0e\u4f53\u306e\u305f\u3081\u3001\u5fae\u91cf\u306e\u4e0d\u7d14\u7269\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u96fb\u6c17\u7684\u7279\u6027\u3092\u81ea\u5728\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u4e0d\u7d14\u7269\u306f\u3001\u30db\u30a6\u7d20\u3001\u30ea\u30f3\u3001\u30d2\u7d20\u3001\u30a2\u30f3\u30c1\u30e2\u30f3\u306a\u3069\u304c\u591a\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"silicon-wafer-production\">\u30b7\u30ea\u30b3\u30f3\u30a6\u30a7\u30fc\u30cf\u306e\u751f\u7523<\/h2>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u88fd\u9020\u306f\u3001\u307e\u305a\u30b7\u30ea\u30b3\u30f3\u30a4\u30f3\u30b4\u30c3\u30c8\u3092\u4f5c\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308b\u3002\u5186\u67f1\u72b6\u306e\u30a4\u30f3\u30b4\u30c3\u30c8\u3092\u5f97\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u3066\u3044\u308bCzochralski\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Czochralski\u6cd5<\/h4>\n\n\n\n<p>\u30dd\u30fc\u30e9\u30f3\u30c9\u306e\u5316\u5b66\u8005\u30e4\u30f3\u30fb\u30c1\u30e7\u30af\u30e9\u30eb\u30b9\u30ad\u30fc\u304c\u3001\u9ad8\u7d14\u5ea6\u306e\u5358\u7d50\u6676\u30b7\u30ea\u30b3\u30f3\u30a4\u30f3\u30b4\u30c3\u30c8\u3092\u88fd\u9020\u3059\u308b\u65b9\u6cd5\u3092\u767a\u660e\u3057\u305f\u306e\u3060\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-1024x360.jpg\" alt=\"Czochralski\u6cd5\" class=\"wp-image-2003\" style=\"width:678px;height:238px\" width=\"678\" height=\"238\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-1024x360.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-300x106.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-768x270.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-1536x540.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-2048x720.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Czochralski-method-18x6.jpg 18w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><figcaption class=\"wp-element-caption\">Czochralski\u6cd5<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u308b\u3064\u307c\u306e\u4e2d\u3067\u30b7\u30ea\u30b3\u30f3\u3092\u6eb6\u304b\u3057\u307e\u3059\u3002\u305d\u306e\u4e2d\u306b\u7a2e\u7d50\u6676\u3092\u5165\u308c\u308b\u3002\u308b\u3064\u307c\u3068\u7d50\u6676\u3092\u53cd\u5bfe\u65b9\u5411\u306b\u56de\u8ee2\u3055\u305b\u306a\u304c\u3089\u3001\u3086\u3063\u304f\u308a\u3068\u4e0a\u306b\u5f15\u304d\u4e0a\u3052\u307e\u3059\u3002\u3053\u3046\u3057\u3066\u3001\u975e\u5e38\u306b\u5747\u8cea\u306a\u5186\u67f1\u72b6\u306e\u30b7\u30ea\u30b3\u30f3\u30a4\u30f3\u30b4\u30c3\u30c8\u304c\u3067\u304d\u3042\u304c\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u3092\u30d6\u30fc\u30eb\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b9\u30e9\u30a4\u30b7\u30f3\u30b0<\/h4>\n\n\n\n<p>\u30a6\u30a7\u30cf\u30fc\u30bd\u30fc\u306f\u3001\u30d6\u30fc\u30eb\u3092\u975e\u5e38\u306b\u8584\u3044\u30c7\u30a3\u30b9\u30af\uff08\u539a\u3055\u7d04100\uff5e500\u03bcm\uff09\u3067\u3042\u308b\u30a6\u30a7\u30cf\u30fc\u306b\u30b9\u30e9\u30a4\u30b9\u3059\u308b\u3002\u30a6\u30a7\u30cf\u30fc\u306f\u7269\u7406\u7684\u30fb\u5316\u5b66\u7684\u306b\u7814\u78e8\u3055\u308c\u3001\u539f\u5b50\u30ec\u30d9\u30eb\u306e\u6b20\u9665\u3084\u4e0d\u7d14\u7269\u304c\u53d6\u308a\u9664\u304b\u308c\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"production-of-dies\">\u91d1\u578b\u88fd\u4f5c<\/h2>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3001\u30a6\u30a7\u30cf\u30fc\u306f\u307e\u3060\u30b9\u30fc\u30d1\u30fc\u30d1\u30ef\u30fc\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u3002\u307e\u305a\u3001\u30c0\u30a4\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u30c0\u30a4\u3068\u306f\u3001\u96c6\u7a4d\u56de\u8def\u3092\u542b\u3093\u3060\u30b7\u30ea\u30b3\u30f3\u306e\u584a\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u96c6\u7a4d\u56de\u8def\u3092\u30a6\u30a7\u30cf\u30fc\u306b\u5370\u5237\u3059\u308b\u5de5\u7a0b\u3067\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u306e\u304c <strong>\u3057\u3083\u3057\u3093\u3057\u3083\u3057\u3093\u3058\u3085\u3064<\/strong>.<\/p>\n\n\n\n<p>\u3053\u306e\u5de5\u7a0b\u306f\u7406\u89e3\u3059\u308b\u306e\u306f\u7c21\u5358\u3060\u304c\u3001\u96c6\u7a4d\u56de\u8def\u304c\u975e\u5e38\u306b\u5c0f\u3055\u3044\u305f\u3081\u3001\u5b89\u5b9a\u3057\u305f\u54c1\u8cea\u3067\u884c\u3046\u306e\u306f\u975e\u5e38\u306b\u96e3\u3057\u3044\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30d5\u30a9\u30c8\u30ea\u30c8\u30b0\u30e9\u30d5\u30a3\u30fc<\/h4>\n\n\n\n<p>\u4e0b\u306e\u56f3\u306f\u3001\u30d5\u30a9\u30c8\u30ea\u30c8\u30b0\u30e9\u30d5\u30a3\u30fc\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-1024x431.jpg\" alt=\"\u30d5\u30a9\u30c8\u30ea\u30c8\u30b0\u30e9\u30d5\u30a3\u30fc\" class=\"wp-image-2006\" style=\"width:559px;height:235px\" width=\"559\" height=\"235\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-1024x431.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-300x126.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-768x324.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-1536x647.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-2048x863.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Photolitography-18x8.jpg 18w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><figcaption class=\"wp-element-caption\">\u5199\u771f\u64ae\u5f71\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u51fa\u8377\u5f8c\u306e\u30a6\u30a7\u30cf\u306f\u3001\u5305\u88c5\u306b\u7531\u6765\u3059\u308b\u6c5a\u308c\u3092\u9664\u53bb\u3059\u308b\u305f\u3081\u306b\u518d\u5ea6\u6d17\u6d44\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b7\u30ea\u30b3\u30f3\u3068\u30d5\u30a9\u30c8\u30ec\u30b8\u30b9\u30c8\u3092\u30df\u30af\u30ed\u306e\u5358\u4f4d\u3067\u8584\u304f\u5747\u4e00\u306b\u5857\u5e03\u3057\u3001\u4e0b\u5730\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002\u5149\u6e90\u3068\u30ec\u30f3\u30ba\u3067\u69cb\u6210\u3055\u308c\u305f\u30a2\u30d1\u30fc\u30c1\u30e3\u30fc\u304b\u3089\u3001\u30d5\u30a9\u30c8\u30de\u30b9\u30af\u304c\u30a6\u30a8\u30cf\u30fc\u4e0a\u306b\u6295\u5f71\u3055\u308c\u308b\u3002\u591a\u304f\u306e\u4f01\u696d\u306f\u3001\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u306eUV\u5149\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u3055\u3089\u306b\u3044\u304f\u3064\u304b\u306e\u5de5\u7a0b\u3092\u7d4c\u3066\u3001\u30d5\u30a9\u30c8\u30de\u30b9\u30af\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u30a6\u30a7\u30fc\u30cf\u4e0a\u306e\u30b7\u30ea\u30b3\u30f3\u5c64\u306b\u8ee2\u5199\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u5f8c\u3001\u6700\u521d\u306e\u5c64\u3092\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3057\u3066\u3001\u6b21\u306e\u5c64\u306b\u53d6\u308a\u639b\u304b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u30921\u5c64\u3054\u3068\u306b\u7e70\u308a\u8fd4\u3057\u3066\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u7acb\u4f53\u69cb\u9020\u304c\u5b8c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u30a6\u30a7\u30fc\u30cf\u306f\u5186\u76e4\u306e\u4e0a\u306b\u305f\u304f\u3055\u3093\u306e\u30bb\u30eb\u304c\u4e57\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u3053\u306e2\u6b21\u30bb\u30eb\u3092\u4e2d\u5fc3\u306b\u3057\u305f\u3082\u306e\u304c\u500b\u3005\u306e\u30c0\u30a4\u3067\u3042\u308a\u3001\u3053\u306e\u5834\u5408\u306f\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e1\u5358\u4f4d\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u30a6\u30a7\u30fc\u30cf\u3092\u3055\u3089\u306b\u52a0\u5de5\u3059\u308b\u524d\u306b\u3001\u5404\u30c0\u30a4\u306e\u54c1\u8cea\u3092\u5224\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u305d\u306e\u7d50\u679c\u3001\u30a6\u30a7\u30fc\u30cf\u4e0a\u306e\u5404\u30c0\u30a4\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u793a\u3059\u3001\u3044\u308f\u3086\u308b\u30a6\u30a7\u30fc\u30cf\u30de\u30c3\u30d7\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u306e\u6027\u8cea\u4e0a\u3001\u7aef\u306b\u8fd1\u3044\u30c0\u30a4\u3088\u308a\u3082\u4e2d\u592e\u306b\u3042\u308b\u30c0\u30a4\u306e\u65b9\u304c\u6027\u80fd\u304c\u826f\u3044\u3068\u3044\u3046\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u6c42\u3055\u308c\u305f\u54c1\u8cea\u57fa\u6e96\u306b\u9054\u3057\u305f\u30c0\u30a4\u306f\u3001\u30a6\u30a7\u30cf\u30fc\u304b\u3089\u5207\u308a\u51fa\u3055\u308c\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u8fbc\u307e\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304c\u3069\u306e\u3088\u3046\u306b\u88fd\u9020\u3055\u308c\u308b\u306e\u304b\u3001\u304a\u5206\u304b\u308a\u3044\u305f\u3060\u3051\u305f\u3067\u3057\u3087\u3046\u304b\u3002\u3082\u3061\u308d\u3093\u3001\u88fd\u9020\u306b\u306f\u81a8\u5927\u306a\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u6bce\u56de\u5b8c\u74a7\u306b\u540c\u3058\u7d50\u679c\u3092\u51fa\u3059\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u306b\u8fd1\u3044\u3002<\/p>\n\n\n\n<p>\u30a6\u30a7\u30cf\u30fc\u4e0a\u3067\u6a5f\u80fd\u3059\u308b\u30c0\u30a4\u306e\u91cf\u3092\u6700\u5927\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6750\u6599\u304b\u3089\u6a5f\u68b0\u307e\u3067\u3001\u3059\u3079\u3066\u304c\u5b8c\u74a7\u306a\u54c1\u8cea\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"flash-memory-structure\">\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u69cb\u9020<\/h2>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30bb\u30eb\u306f1\u500b\u30671Bit\u3092\u8a18\u61b6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30bb\u30eb\u306f\u3001\u30b7\u30ea\u30b3\u30f3\u57fa\u677f\u306e\u4e0a\u306b\u3001\u30bd\u30fc\u30b9\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b2\u30fc\u30c8\u304c\u5f62\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-1024x351.jpg\" alt=\"\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30bb\u30eb\" class=\"wp-image-2010\" style=\"width:691px;height:236px\" width=\"691\" height=\"236\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-1024x351.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-300x103.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-768x263.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-1536x526.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-2048x702.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Flash-Memory-Cell-18x6.jpg 18w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><figcaption class=\"wp-element-caption\">\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30bb\u30eb<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b2\u30fc\u30c8\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u3068\u30b7\u30ea\u30b3\u30f3\u57fa\u677f\u3068\u306e\u9593\u306b\u306f\u9178\u5316\u819c\u304c\u3042\u308b\u3002\u3053\u306e\u9178\u5316\u819c\u306f\u96fb\u5b50\u306e\u81ea\u7531\u306a\u79fb\u52d5\u3092\u59a8\u3052\u308b\u304c\u3001\u3042\u308b\u6761\u4ef6\u4e0b\u3067\u306f\u96fb\u5b50\u304c\u3053\u306e\u9178\u5316\u819c\u3092\u30c8\u30f3\u30cd\u30eb\u72b6\u306b\u901a\u904e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"reading-and-writing-data\">\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u51fa\u3057\u3068\u66f8\u304d\u8fbc\u307f<\/h2>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30bb\u30eb\u306b\u96fb\u5727\u3092\u304b\u3051\u308b\u3053\u3068\u3067\u3001\u66f8\u304d\u8fbc\u307f\u3001\u8aad\u307f\u51fa\u3057\u306e\u52d5\u4f5c\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8aad\u66f8<\/h4>\n\n\n\n<p>\u84c4\u7a4d\u3055\u308c\u305fBit\u3092\u8aad\u307f\u51fa\u3059\u306b\u306f\u3001\u30bd\u30fc\u30b9\u3092\u63a5\u5730\u307e\u305f\u306f0V\u306b\u5f15\u304d\u3001\u30c9\u30ec\u30a4\u30f3\u3068\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b2\u30fc\u30c8\u306b3V\u7a0b\u5ea6\u3092\u5370\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u304c\u7a7a\u3067\u3042\u308c\u3070\u3001\u96fb\u5b50\u306f\u30bd\u30fc\u30b9\u304b\u3089\u30c9\u30ec\u30a4\u30f3\u3078\u6c34\u5e73\u65b9\u5411\u306b\u79fb\u52d5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u306e\u96fb\u6d41\u306e\u6d41\u308c\u306f\u3001\u30ed\u30b8\u30c3\u30af1\u3068\u89e3\u91c8\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u96fb\u5b50\u304c\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u306b\u6355\u7372\u3055\u308c\u308b\u3068\u3001\u30bd\u30fc\u30b9\u304b\u3089\u30c9\u30ec\u30a4\u30f3\u3078\u306e\u96fb\u6d41\u306e\u6d41\u308c\u304c\u59a8\u3052\u3089\u308c\u3001\u30ed\u30b8\u30c3\u30af0\u3068\u89e3\u91c8\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<h4 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class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u3055\u3066\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u9054\u4eba\u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u306e\u7b2c3\u56de\u3092\u305c\u3072\u3054\u89a7\u3044\u305f\u3060\u304d\u305f\u3044\uff1a <a href=\"https:\/\/picockpit.com\/raspberry-pi\/part-3-what-are-card-grades-and-why-are-they-important\/\">\u30ab\u30fc\u30c9\u306e\u6210\u7e3e\u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/a><\/p>\n\n\n\n<p>\u307e\u305f\u3001SD\u30ab\u30fc\u30c9\u306e\u8cfc\u5165\u3092\u304a\u8003\u3048\u306a\u3089\u3001\u5f53\u793e\u306e\u59c9\u59b9\u4f1a\u793e\u304b\u3089\u8cfc\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3001 <a href=\"https:\/\/buyzero.de\/collections\/raspberry-pi-4-zubehor\/products\/16gb-sandisk-sd-karte\">buyzero.de<\/a>.<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left 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