{"id":4344,"date":"2025-03-21T14:02:00","date_gmt":"2025-03-21T05:02:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=4344"},"modified":"2025-12-22T10:47:49","modified_gmt":"2025-12-22T01:47:49","slug":"eeprom-and-sram","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/eeprom-and-sram\/","title":{"rendered":"EEPROM\u3068SRAM\u306e\u9055\u3044\u3068\u7528\u9014\uff1a\u8a2d\u8a08\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u305f\u3081\u306e\u30e1\u30e2\u30ea\u9078\u629e\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p>EEPROM\u3068SRAM\u306e\u9055\u3044\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u8a2d\u8a08\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u6027\u3084\u7528\u9014\u3001\u9078\u3073\u65b9\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u6700\u9069\u306a\u30e1\u30e2\u30ea\u9078\u629e\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EEPROM\u3068SRAM\u306e\u57fa\u672c\u6982\u8981<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>EEPROM\u306e\u7279\u6027\u3068\u7528\u9014<\/strong><\/h3>\n\n\n\n<p>EEPROM\uff08Electrically Erasable Programmable Read-Only Memory\uff09\u306f\u3001\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u96fb\u6e90\u3092\u5207\u3063\u3066\u3082\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3067\u304d\u307e\u3059\u3002\u4e3b\u306b\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u3084\u30de\u30a4\u30b3\u30f3\u306b\u304a\u3044\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8a2d\u5b9a\u60c5\u5831\u3084\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002EEPROM\u306f\u96fb\u6c17\u7684\u306b\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u63db\u3048\u304c\u53ef\u80fd\u3067\u3059\u304c\u3001\u66f8\u304d\u63db\u3048\u5bff\u547d\u304c\u3042\u308a\u3001\u983b\u7e41\u306a\u66f8\u304d\u63db\u3048\u306b\u306f\u5411\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SRAM\u306e\u7279\u6027\u3068\u7528\u9014<\/strong><\/h3>\n\n\n\n<p>SRAM\uff08Static Random Access Memory\uff09\u306f\u3001\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3084\u30d0\u30c3\u30d5\u30a1\u30e1\u30e2\u30ea\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u96fb\u6e90\u304c\u4f9b\u7d66\u3055\u308c\u3066\u3044\u308b\u9593\u306f\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3057\u307e\u3059\u304c\u3001\u96fb\u6e90\u304c\u5207\u308c\u308b\u3068\u30c7\u30fc\u30bf\u306f\u6d88\u5931\u3057\u307e\u3059\u3002SRAM\u306fDRAM\u3068\u6bd4\u3079\u3066\u3082\u9ad8\u901f\u3067\u3001\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u4e0d\u8981\u306e\u305f\u3081\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>EEPROM\u3068SRAM\u306e\u57fa\u672c\u7684\u306a\u9055\u3044<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u30c7\u30fc\u30bf\u306e\u4fdd\u6301\u6027\u304c\u9ad8\u3044\u4e00\u65b9\u3067\u3001\u66f8\u304d\u63db\u3048\u56de\u6570\u306b\u5236\u9650\u304c\u3042\u308a\u3001\u901f\u5ea6\u3082\u6bd4\u8f03\u7684\u9045\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002SRAM\u306f\u66f8\u304d\u63db\u3048\u306b\u5236\u9650\u304c\u306a\u304f\u3001\u9ad8\u901f\u306a\u8aad\u307f\u66f8\u304d\u304c\u53ef\u80fd\u3067\u3059\u304c\u3001\u96fb\u6e90\u3092\u5207\u308b\u3068\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u307e\u3059\u3002\u7528\u9014\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EEPROM\u3068SRAM\u306e\u6280\u8853\u7684\u7279\u6027\u306e\u6bd4\u8f03<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30c7\u30fc\u30bf\u4fdd\u6301\u7279\u6027\u306e\u6bd4\u8f03<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u96fb\u6e90\u3092\u5207\u3063\u3066\u3082\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3067\u304d\u307e\u3059\u304c\u3001SRAM\u306f\u96fb\u6e90\u304c\u5207\u308c\u308b\u3068\u30c7\u30fc\u30bf\u304c\u6d88\u3048\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u9577\u671f\u4fdd\u5b58\u304c\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u306fEEPROM\u306b\u3001\u77ed\u671f\u9593\u3067\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30c7\u30fc\u30bf\u306fSRAM\u306b\u4fdd\u5b58\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u3068\u6d88\u8cbb\u96fb\u529b\u306e\u9055\u3044<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u306f\u6bd4\u8f03\u7684\u9045\u304f\u3001\u66f8\u304d\u8fbc\u307f\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001SRAM\u306f\u9ad8\u901f\u306a\u8aad\u307f\u66f8\u304d\u304c\u53ef\u80fd\u3067\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u3092\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6d88\u8cbb\u96fb\u529b\u306b\u3064\u3044\u3066\u306f\u3001EEPROM\u306f\u30c7\u30fc\u30bf\u4fdd\u6301\u6642\u306b\u96fb\u529b\u3092\u6d88\u8cbb\u3057\u307e\u305b\u3093\u304c\u3001SRAM\u306f\u5e38\u306b\u96fb\u529b\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8010\u4e45\u6027\u3068\u4fe1\u983c\u6027\u306e\u89b3\u70b9\u304b\u3089\u306e\u6bd4\u8f03<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u66f8\u304d\u63db\u3048\u56de\u6570\u306b\u5236\u9650\u304c\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001100\u4e07\u56de\u7a0b\u5ea6\u304c\u9650\u754c\u3067\u3059\u3002\u4e00\u65b9\u3067SRAM\u306b\u306f\u66f8\u304d\u63db\u3048\u56de\u6570\u306e\u5236\u9650\u306f\u306a\u304f\u3001\u983b\u7e41\u306a\u30c7\u30fc\u30bf\u66f4\u65b0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001SRAM\u306f\u5916\u90e8\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u305f\u3081\u3001\u52d5\u4f5c\u74b0\u5883\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8a2d\u8a08\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8003\u616e\u3059\u3079\u304d\u9078\u629e\u30dd\u30a4\u30f3\u30c8<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7528\u9014\u5225\u306e\u6700\u9069\u306a\u30e1\u30e2\u30ea\u9078\u629e<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u8a2d\u5b9a\u60c5\u5831\u306e\u4fdd\u5b58\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001SRAM\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u304c\u6c42\u3081\u3089\u308c\u308b\u30d0\u30c3\u30d5\u30a1\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068\u3057\u3066\u6700\u9069\u3067\u3059\u3002\u7528\u9014\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30e1\u30e2\u30ea\u306e\u9078\u629e\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30b3\u30b9\u30c8\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u3001\u5c0f\u5bb9\u91cf\u306e\u30c7\u30fc\u30bf\u4fdd\u5b58\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002SRAM\u306f\u9ad8\u4fa1\u3067\u3059\u304c\u3001\u9ad8\u901f\u306a\u52d5\u4f5c\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30b9\u30c8\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3057\u3001\u6700\u9069\u306a\u30e1\u30e2\u30ea\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3068\u4e92\u63db\u6027\u306e\u691c\u8a0e<\/strong><\/h3>\n\n\n\n<p>\u88fd\u54c1\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3084\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3092\u8003\u616e\u3057\u3001\u4e92\u63db\u6027\u306e\u3042\u308b\u30e1\u30e2\u30ea\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u7279\u306b\u3001\u7523\u696d\u6a5f\u5668\u3084\u533b\u7642\u6a5f\u5668\u306a\u3069\u306e\u9577\u671f\u904b\u7528\u3092\u60f3\u5b9a\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001EEPROM\u306e\u66f8\u304d\u63db\u3048\u5bff\u547d\u3084SRAM\u306e\u96fb\u529b\u7ba1\u7406\u306b\u3064\u3044\u3066\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>EEPROM\u3068SRAM\u306e\u9078\u629e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/strong><\/h3>\n\n\n\n<p>EEPROM\u306f\u30c7\u30fc\u30bf\u306e\u9577\u671f\u4fdd\u5b58\u306b\u9069\u3057\u3001\u8a2d\u5b9a\u60c5\u5831\u306e\u4fdd\u5b58\u3084\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u8a18\u9332\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001SRAM\u306f\u9ad8\u901f\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u3067\u3001\u30d0\u30c3\u30d5\u30a1\u30e1\u30e2\u30ea\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u7528\u9014\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u9078\u629e\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6700\u7d42\u7684\u306a\u610f\u601d\u6c7a\u5b9a\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/strong><\/h3>\n\n\n\n<ul 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