{"id":5252,"date":"2026-06-26T10:00:00","date_gmt":"2026-06-26T01:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=5252"},"modified":"2026-06-22T11:34:35","modified_gmt":"2026-06-22T02:34:35","slug":"eprom-charge-pump-and-vcc-noise","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/eprom-charge-pump-and-vcc-noise\/","title":{"rendered":"EEPROM\u5185\u8535\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306e\u5b89\u5b9a\u7a3c\u50cd\uff1aVCC\u30ce\u30a4\u30ba\u5bfe\u7b56\u3068\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u30c8\u30e9\u30d6\u30eb\u306e\u591a\u304f\u306f\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u52d5\u4f5c\u306b\u3088\u308b\u96fb\u6d41\u30b9\u30d1\u30a4\u30af\u3084\u5916\u90e8\u30ce\u30a4\u30ba\u306b\u3088\u308bVCC\u5909\u52d5\u304c\u539f\u56e0\u3067\u3059\u3002\u96fb\u6e90\u8a2d\u8a08\u3068\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5316\u3051\u3084\u8aa4\u66f8\u304d\u8fbc\u307f\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u3068\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306e\u95a2\u4fc2<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u304c\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u969b\u3001\u5185\u90e8\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304c\u52d5\u4f5c\u3057\u3066VCC\u304b\u308910\u301c20V\u7a0b\u5ea6\u306e\u9ad8\u96fb\u5727\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u6607\u5727\u52d5\u4f5c\u306fVCC\u30e9\u30a4\u30f3\u306b\u96fb\u6d41\u30b9\u30d1\u30a4\u30af\u3084\u96fb\u5727\u5909\u52d5\u3092\u3082\u305f\u3089\u3059\u305f\u3081\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306e\u52d5\u4f5c\u7279\u6027\u3068\u96fb\u6e90\u3078\u306e\u5f71\u97ff\u3092\u6b63\u78ba\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u5b89\u5b9a\u3057\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u51fa\u767a\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304c\u751f\u3080\u96fb\u6d41\u30b9\u30d1\u30a4\u30af\u3068VCC\u3078\u306e\u5f71\u97ff<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u30fb\u6d88\u53bb\u52d5\u4f5c\u3067\u306f\u3001\u5185\u90e8\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304cVCC\u304b\u308910\u301c20V\u7a0b\u5ea6\u306e\u9ad8\u96fb\u5727\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u6607\u5727\u52d5\u4f5c\u306e\u958b\u59cb\u6642\u306b\u3001VCC\u30e9\u30a4\u30f3\u3078\u6570\u30df\u30ea\u30a2\u30f3\u30da\u30a2\u304b\u3089\u6570\u5341\u30df\u30ea\u30a2\u30f3\u30da\u30a2\u898f\u6a21\u306e\u96fb\u6d41\u30b9\u30d1\u30a4\u30af\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30b9\u30d1\u30a4\u30af\u306f\u6570\u30ca\u30ce\u79d2\u3068\u3044\u3046\u6975\u3081\u3066\u77ed\u3044\u6642\u9593\u306b\u96c6\u4e2d\u3059\u308b\u305f\u3081\u3001\u96fb\u6e90\u30e9\u30a4\u30f3\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u6210\u5206\u3068\u76f8\u4e92\u4f5c\u7528\u3057\u3066\u6025\u5cfb\u306a\u96fb\u5727\u5909\u52d5\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u540c\u4e00\u96fb\u6e90\u3092\u5171\u6709\u3059\u308b\u30de\u30a4\u30b3\u30f3\u3084\u4ed6\u306eIC\u304c\u3053\u306e\u5909\u52d5\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3068\u3001\u8aa4\u52d5\u4f5c\u3084\u30ea\u30bb\u30c3\u30c8\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u4e2d\u306bVCC\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u306f\u6570\u30df\u30ea\u79d2\u304b\u3089\u6570\u5341\u30df\u30ea\u79d2\u306b\u308f\u305f\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u9593\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306f\u65ad\u7d9a\u7684\u306b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u52d5\u4f5c\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u7e70\u308a\u8fd4\u3057\u306e\u96fb\u6d41\u9700\u8981\u304cVCC\u30e9\u30a4\u30f3\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4ecb\u3057\u3066\u96fb\u5727\u30ea\u30c3\u30d7\u30eb\u3092\u767a\u751f\u3055\u305b\u3001VCC\u3092\u5468\u671f\u7684\u306b\u5909\u52d5\u3055\u305b\u307e\u3059\u3002\u96fb\u6e90\u30e9\u30a4\u30f3\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u307e\u305f\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u30b3\u30f3\u30c7\u30f3\u30b5\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u307b\u3069\u3001\u3053\u306e\u30ea\u30c3\u30d7\u30eb\u306e\u632f\u5e45\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u30ea\u30c3\u30d7\u30eb\u304cEEPROM\u306eVCC\u306e\u52d5\u4f5c\u4fdd\u8a3c\u7bc4\u56f2\u3092\u9038\u8131\u3059\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u8a18\u9332\u3055\u308c\u306a\u3044\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5916\u90e8\u30ce\u30a4\u30ba\u304cEEPROM\u66f8\u304d\u8fbc\u307f\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u7d4c\u8def<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u3084\u30e2\u30fc\u30bf\u99c6\u52d5\u56de\u8def\u306a\u3069\u304c\u767a\u751f\u3059\u308b\u5916\u90e8\u30ce\u30a4\u30ba\u304cVCC\u30e9\u30a4\u30f3\u306b\u4fb5\u5165\u3059\u308b\u3068\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306e\u6607\u5727\u52d5\u4f5c\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3059\u3002\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306fVCC\u3092\u57fa\u6e96\u306b\u9ad8\u96fb\u5727\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u3001VCC\u306b\u91cd\u7573\u3057\u305f\u30ce\u30a4\u30ba\u304c\u305d\u306e\u307e\u307e\u6607\u5727\u5f8c\u306e\u96fb\u5727\u306b\u5f71\u97ff\u3057\u3001\u66f8\u304d\u8fbc\u307f\u96fb\u5727\u304c\u898f\u5b9a\u5024\u3092\u5916\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u7523\u696d\u6a5f\u5668\u74b0\u5883\u3067\u306f\u30ea\u30ec\u30fc\u3084\u8a98\u5c0e\u8ca0\u8377\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306b\u3088\u308b\u904e\u6e21\u96fb\u5727\u304cVCC\u30e9\u30a4\u30f3\u306b\u4e57\u308a\u3084\u3059\u304f\u3001EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u91cd\u306a\u3063\u305f\u5834\u5408\u306b\u30c7\u30fc\u30bf\u7834\u640d\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>VCC\u30ce\u30a4\u30ba\u304cEEPROM\u306b\u4e0e\u3048\u308b\u5177\u4f53\u7684\u306a\u5f71\u97ff<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u52d5\u4f5c\u3084\u5916\u90e8\u30ce\u30a4\u30ba\u306b\u3088\u308bVCC\u5909\u52d5\u306f\u3001EEPROM\u306e\u30c7\u30fc\u30bf\u4fe1\u983c\u6027\u306b\u76f4\u7d50\u3059\u308b\u554f\u984c\u3067\u3059\u3002\u30c7\u30fc\u30bf\u5316\u3051\u3084\u8aa4\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u6761\u4ef6\u3092\u5177\u4f53\u7684\u306b\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u73fe\u5834\u3067\u5f79\u7acb\u3064\u5bfe\u7b56\u8a2d\u8a08\u306e\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u96fb\u6e90\u7acb\u3061\u4e0a\u304c\u308a\u30fb\u7acb\u3061\u4e0b\u304c\u308a\u3068\u3044\u3046\u904e\u6e21\u671f\u306e\u30ea\u30b9\u30af\u3082\u898b\u843d\u3068\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30c7\u30fc\u30bf\u5316\u3051\u30fb\u8aa4\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u6761\u4ef6<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u30c7\u30fc\u30bf\u5316\u3051\u306f\u4e3b\u306b\u3001\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u4e2d\u306eVCC\u4f4e\u4e0b\u30fb\u30ce\u30a4\u30ba\u91cd\u7573\u30fb\u904e\u96fb\u5727\u3068\u3044\u30463\u3064\u306e\u6761\u4ef6\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u4e2d\u306bVCC\u304c\u898f\u5b9a\u306e\u6700\u4f4e\u52d5\u4f5c\u96fb\u5727\u3092\u4e0b\u56de\u308b\u3068\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304c\u5fc5\u8981\u306a\u9ad8\u96fb\u5727\u3092\u751f\u6210\u3067\u304d\u305a\u3001\u30e1\u30e2\u30ea\u30bb\u30eb\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u4e0d\u5b8c\u5168\u306a\u72b6\u614b\u3067\u7d42\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u5916\u90e8\u30ce\u30a4\u30ba\u306b\u3088\u308b\u904e\u96fb\u5727\u304cEEPROM\u306eVCC\u306b\u5370\u52a0\u3055\u308c\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307f\u4fdd\u8b77\u56de\u8def\u304c\u8aa4\u52d5\u4f5c\u3057\u3066\u610f\u56f3\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u96fb\u6e90\u7acb\u3061\u4e0a\u304c\u308a\u30fb\u7acb\u3061\u4e0b\u304c\u308a\u6642\u306e\u904e\u6e21\u7684\u306a\u30ea\u30b9\u30af<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306f\u52d5\u4f5c\u958b\u59cb\u96fb\u5727\u304c\u4f4e\u3044\u88fd\u54c1\u304c\u591a\u304f\u3001\u30de\u30a4\u30b3\u30f3\u3088\u308a\u3082\u5148\u306b\u52d5\u4f5c\u53ef\u80fd\u306a\u72b6\u614b\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6e90\u7acb\u3061\u4e0a\u304c\u308a\u6642\u306b\u30de\u30a4\u30b3\u30f3\u304c\u307e\u3060\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067EEPROM\u304c\u52d5\u4f5c\u53ef\u80fd\u306b\u306a\u308b\u3068\u3001\u5236\u5fa1\u4fe1\u53f7\u304c\u4e0d\u5b9a\u3068\u306a\u308a\u8aa4\u3063\u305f\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u69d8\u306b\u96fb\u6e90\u7acb\u3061\u4e0b\u304c\u308a\u6642\u3082\u3001\u30de\u30a4\u30b3\u30f3\u304c\u505c\u6b62\u3057\u305f\u5f8c\u3082EEPROM\u304c\u4e00\u6642\u7684\u306b\u52d5\u4f5c\u53ef\u80fd\u306a\u72b6\u614b\u304c\u7d9a\u304f\u305f\u3081\u3001\u4e0d\u5b9a\u306e\u5236\u5fa1\u4fe1\u53f7\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u306b\u30c7\u30fc\u30bf\u304c\u7834\u640d\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-heading\"><strong>\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u8a2d\u8a08\uff1a\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9078\u5b9a\u3068\u914d\u7f6e<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306eVCC\u30ce\u30a4\u30ba\u5bfe\u7b56\u306b\u304a\u3044\u3066\u3001\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9078\u5b9a\u3068\u5b9f\u88c5\u306e\u6700\u9069\u5316\u306f\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u52b9\u679c\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u7279\u6027\u30fbESR\u30fb\u914d\u7f6e\u3068\u3044\u30463\u3064\u306e\u8981\u7d20\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u52d5\u4f5c\u3092\u5b89\u5b9a\u3055\u305b\u66f8\u304d\u8fbc\u307f\u306e\u4fe1\u983c\u6027\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5bb9\u91cf\u5024\u30fbESR\u30fb\u81ea\u5df1\u5171\u632f\u5468\u6ce2\u6570\u306e\u9078\u5b9a\u57fa\u6e96<\/strong><\/h3>\n\n\n\n<p 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class=\"wp-block-heading\"><strong>VCC\u30d4\u30f3\u8fd1\u508d\u3078\u306e\u914d\u7f6e\u3068\u30d1\u30bf\u30fc\u30f3\u8a2d\u8a08\u306e\u6ce8\u610f\u70b9<\/strong><\/h3>\n\n\n\n<p 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