{"id":5247,"date":"2026-06-22T13:00:00","date_gmt":"2026-06-22T04:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&p=5247"},"modified":"2026-06-22T11:25:14","modified_gmt":"2026-06-22T02:25:14","slug":"eeprom-surge-protection-design","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/eeprom-surge-protection-design\/","title":{"rendered":"\u7523\u696d\u6a5f\u5668\u8a2d\u8a08\u8005\u306e\u305f\u3081\u306eEEPROM\u30b5\u30fc\u30b8\u5bfe\u7b56\uff1a\u4fdd\u8b77\u56de\u8def\u306e\u9078\u3073\u65b9\u3068\u8a2d\u8a08\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n

\u7523\u696d\u6a5f\u5668\u3067\u306eEEPROM\u30c7\u30fc\u30bf\u7834\u640d\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u4fe1\u983c\u6027\u3092\u6839\u672c\u304b\u3089\u640d\u306a\u3046\u30ea\u30b9\u30af\u3067\u3059\u3002\u52b9\u679c\u7684\u306a\u30b5\u30fc\u30b8\u30fbESD\u5bfe\u7b56\u306b\u306f\u4fdd\u8b77\u7d20\u5b50\u306e\u9078\u5b9a\u304b\u3089\u96fb\u6e90\u8a2d\u8a08\u30fb\u57fa\u677f\u30ec\u30a4\u30a2\u30a6\u30c8\u30fb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u307e\u3067\u591a\u5c64\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

EEPROM\u304c\u30b5\u30fc\u30b8\u30fbESD\u306b\u5f31\u3044\u6839\u672c\u7684\u306a\u7406\u7531<\/strong><\/h2>\n\n\n\n

\u7523\u696d\u6a5f\u5668\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308bEEPROM\u306f\u3001\u305d\u306e\u5185\u90e8\u69cb\u9020\u306b\u8d77\u56e0\u3057\u3066\u30b5\u30fc\u30b8\u3084\u9759\u96fb\u6c17\u653e\u96fb\uff08ESD\uff09\u306b\u5bfe\u3057\u3066\u672c\u8cea\u7684\u306a\u8106\u5f31\u6027\u3092\u62b1\u3048\u3066\u3044\u307e\u3059\u3002\u96fb\u6c17\u7684\u306a\u904e\u6e21\u30b9\u30c8\u30ec\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u7834\u640d\u3084\u7d20\u5b50\u7834\u58ca\u3092\u5f15\u304d\u8d77\u3053\u3059\u306e\u304b\u3092\u3001\u307e\u305a\u69cb\u9020\u9762\u304b\u3089\u6b63\u78ba\u306b\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u3001\u52b9\u679c\u7684\u306a\u5bfe\u7b56\u8a2d\u8a08\u306e\u51fa\u767a\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8\u69cb\u9020\u3068\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306e\u9ad8\u96fb\u5727\u611f\u5ea6<\/strong><\/h3>\n\n\n\n

EEPROM\u306f\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30b2\u30fc\u30c8MOSFET\u306b\u30c8\u30f3\u30cd\u30eb\u96fb\u6d41\u3092\u6d41\u3059\u3053\u3068\u3067\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u69cb\u9020\u3092\u6301\u3061\u307e\u3059\u3002\u3053\u306e\u66f8\u304d\u8fbc\u307f\u306b\u306f\u5185\u90e8\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304c\u96fb\u6e90\u96fb\u5727\u304b\u308910\u301c20V\u7a0b\u5ea6\u306e\u9ad8\u96fb\u5727\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u5916\u90e8\u304b\u3089\u308f\u305a\u304b\u306a\u904e\u96fb\u5727\u304c\u4fb5\u5165\u3057\u305f\u5834\u5408\u3067\u3082\u5185\u90e8\u306e\u9ad8\u96fb\u5727\u56de\u8def\u304c\u8aa4\u52d5\u4f5c\u3057\u3001\u610f\u56f3\u3057\u306a\u3044\u30e1\u30e2\u30ea\u30bb\u30eb\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3084\u6d88\u53bb\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u96fb\u6e90\u30d4\u30f3\u3078\u306e\u30b5\u30fc\u30b8\u306f\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

\u66f8\u304d\u8fbc\u307f\u4e2d\u306b\u9ad8\u307e\u308bESD\u30c0\u30e1\u30fc\u30b8\u30ea\u30b9\u30af<\/strong><\/h3>\n\n\n\n

EEPROM\u306f\u901a\u5e38\u52d5\u4f5c\u4e2d\u3088\u308a\u3082\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u4e2d\u306b\u5916\u90e8\u30b9\u30c8\u30ec\u30b9\u3078\u306e\u8010\u6027\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7\u304c\u7a3c\u50cd\u3057\u3001\u5185\u90e8\u306b\u9ad8\u96fb\u5727\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u72b6\u614b\u3060\u304b\u3089\u3067\u3059\u3002\u3053\u306e\u72b6\u614b\u3067ESD\u304c\u4fb5\u5165\u3059\u308b\u3068\u3001\u901a\u5e38\u6642\u306b\u306f\u6a5f\u80fd\u3059\u308b\u5185\u90e8\u4fdd\u8b77\u56de\u8def\u3060\u3051\u3067\u306f\u5bfe\u5fdc\u3057\u304d\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u304c\u6570\u30df\u30ea\u79d2\u304b\u3089\u6570\u5341\u30df\u30ea\u79d2\u306b\u308f\u305f\u308bEEPROM\u3067\u306f\u3001\u3053\u306e\u6642\u9593\u5e2f\u306e\u30ea\u30b9\u30af\u7ba1\u7406\u304c\u8a2d\u8a08\u4e0a\u306e\u91cd\u8981\u8ab2\u984c\u3068\u306a\u308a\u307e\u3059\u3002ESD\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u74b0\u5883\u3067\u306f\u3001\u66f8\u304d\u8fbc\u307f\u4e2d\u306e\u5916\u90e8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4fdd\u8b77\u304c\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

\u96fb\u6e90\u5909\u52d5\u30fb\u30d6\u30e9\u30a6\u30f3\u30a2\u30a6\u30c8\u304c\u62db\u304f\u8aa4\u66f8\u304d\u8fbc\u307f\u3068\u30c7\u30fc\u30bf\u7834\u640d<\/strong><\/h3>\n\n\n\n

EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u306b\u306f\u4e00\u5b9a\u4ee5\u4e0a\u306e\u96fb\u6e90\u96fb\u5727\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u4e2d\u306b\u96fb\u5727\u304c\u898f\u5b9a\u5024\u3092\u4e0b\u56de\u308b\u3068\u3001\u30c7\u30fc\u30bf\u304c\u4e2d\u9014\u534a\u7aef\u306a\u72b6\u614b\u3067\u30e1\u30e2\u30ea\u30bb\u30eb\u306b\u66f8\u304d\u8fbc\u307e\u308c\u308b\u300c\u30bd\u30d5\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u300d\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u72b6\u614b\u306e\u30bb\u30eb\u306f\u6642\u9593\u7d4c\u904e\u3068\u3068\u3082\u306b\u96fb\u8377\u3092\u5931\u3044\u3001\u30c7\u30fc\u30bf\u304c\u5316\u3051\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u96fb\u6e90\u30b5\u30fc\u30b8\u306b\u3088\u308a\u30de\u30a4\u30b3\u30f3\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u305f\u969b\u306b\u3001\u672c\u6765\u66f8\u304d\u8fbc\u3080\u3079\u304d\u3067\u306a\u3044\u9818\u57df\u3092\u8aa4\u3063\u3066\u66f8\u304d\u63db\u3048\u3066\u3057\u307e\u3046\u4e8b\u4f8b\u3082\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u4e2d\u306e\u96fb\u6e90\u5b89\u5b9a\u6027\u306e\u78ba\u4fdd\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n

\u7523\u696d\u6a5f\u5668\u74b0\u5883\u3067\u60f3\u5b9a\u3059\u3079\u304d\u30b5\u30fc\u30b8\u306e\u7a2e\u985e\u3068\u898f\u683c<\/strong><\/h2>\n\n\n\n

\u7523\u696d\u6a5f\u5668\u304c\u8a2d\u7f6e\u3055\u308c\u308b\u73fe\u5834\u306f\u3001\u6c11\u751f\u6a5f\u5668\u3068\u306f\u6bd4\u8f03\u306b\u306a\u3089\u306a\u3044\u307b\u3069\u904e\u9177\u306a\u96fb\u6c17\u7684\u74b0\u5883\u306b\u3042\u308a\u307e\u3059\u3002\u3069\u306e\u3088\u3046\u306a\u30b5\u30fc\u30b8\u304c\u767a\u751f\u3057\u5f97\u308b\u306e\u304b\u3092\u767a\u751f\u6e90\u3068\u6ce2\u5f62\u7279\u6027\u306e\u4e21\u9762\u304b\u3089\u6b63\u78ba\u306b\u628a\u63e1\u3057\u305f\u3046\u3048\u3067\u3001\u8a2d\u8a08\u6bb5\u968e\u3067\u6e96\u62e0\u3059\u3079\u304d\u898f\u683c\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u304c\u3001\u9069\u5207\u306a\u4fdd\u8b77\u30ec\u30d9\u30eb\u3092\u4f53\u7cfb\u7684\u304b\u3064\u52b9\u7387\u7684\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u304f\u305f\u3081\u306e\u524d\u63d0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u904e\u6e21\u96fb\u5727\u306e\u4e3b\u306a\u767a\u751f\u6e90\uff1a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30fb\u8a98\u5c0e\u8ca0\u8377\u30fb\u843d\u96f7<\/strong><\/h3>\n\n\n\n

\u7523\u696d\u6a5f\u5668\u304c\u63a5\u7d9a\u3055\u308c\u308b\u96fb\u6e90\u30e9\u30a4\u30f3\u3084I\/O\u30e9\u30a4\u30f3\u306b\u306f\u3001\u8907\u6570\u306e\u904e\u6e21\u96fb\u5727\u767a\u751f\u6e90\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30ea\u30ec\u30fc\u3084\u30b3\u30f3\u30bf\u30af\u30bf\u306e\u958b\u9589\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u8a98\u5c0e\u6027\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b5\u30fc\u30b8\u306f\u3001\u6570\u767e\u30dc\u30eb\u30c8\u898f\u6a21\u306e\u904e\u96fb\u5727\u3092\u77ac\u9593\u7684\u306b\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u307e\u305f\u3001\u540c\u4e00\u96fb\u6e90\u30e9\u30a4\u30f3\u3092\u5171\u6709\u3059\u308b\u5927\u578b\u30e2\u30fc\u30bf\u3084\u6eb6\u63a5\u6a5f\u306a\u3069\u306e\u8ca0\u8377\u5909\u52d5\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u8fd1\u508d\u3078\u306e\u843d\u96f7\u306b\u3088\u308b\u8a98\u5c0e\u30b5\u30fc\u30b8\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u306b\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u904e\u6e21\u96fb\u5727\u3092\u91cd\u7573\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u5358\u72ec\u3067\u3082\u767a\u751f\u3057\u307e\u3059\u304c\u3001\u8907\u5408\u7684\u306b\u91cd\u306a\u308b\u30b1\u30fc\u30b9\u3082\u591a\u304f\u3001\u4fdd\u8b77\u8a2d\u8a08\u3067\u306f\u6700\u60aa\u6761\u4ef6\u3092\u60f3\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

\u8a2d\u8a08\u8005\u304c\u62bc\u3055\u3048\u308b\u3079\u304dIEC 61000-4-2 \/ 4-4 \/ 4-5<\/strong><\/h3>\n\n\n\n

\u7523\u696d\u6a5f\u5668\u306e\u96fb\u78c1\u74b0\u5883\u8a66\u9a13\u3067\u91cd\u8981\u306a\u56fd\u969b\u898f\u683c\u304c3\u3064\u3042\u308a\u307e\u3059\u3002IEC 61000-4-2\u306fESD\u8010\u6027\u8a66\u9a13\u3067\u3001\u4eba\u4f53\u3084\u5e2f\u96fb\u7269\u4f53\u304b\u3089\u306e\u9759\u96fb\u6c17\u653e\u96fb\u3092\u60f3\u5b9a\u3057\u307e\u3059\u3002IEC 61000-4-4\u306fEFT\u8a66\u9a13\u3067\u3001\u30ea\u30ec\u30fc\u958b\u9589\u306a\u3069\u306b\u3088\u308b\u9ad8\u901f\u306a\u30d0\u30fc\u30b9\u30c8\u6027\u30d1\u30eb\u30b9\u3092\u5bfe\u8c61\u3068\u3057\u307e\u3059\u3002IEC 61000-4-5\u306f\u30b5\u30fc\u30b8\u8010\u6027\u8a66\u9a13\u3067\u3001\u843d\u96f7\u3084\u96fb\u6e90\u7cfb\u7d71\u5207\u308a\u66ff\u3048\u306b\u3088\u308b\u6a19\u6e96\u6ce2\u5f62\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u8a2d\u7f6e\u74b0\u5883\u306b\u5fdc\u3058\u3066\u5404\u898f\u683c\u306e\u8a66\u9a13\u30ec\u30d9\u30eb\uff08\u30af\u30e9\u30b91\u301c4\uff09\u3092\u78ba\u8a8d\u3057\u3001\u4fdd\u8b77\u56de\u8def\u306e\u4ed5\u69d8\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

FA\u30fb\u8eca\u8f09\u30fb\u30a4\u30f3\u30d5\u30e9\u6a5f\u5668\u3067\u306e\u30b5\u30fc\u30b8\u74b0\u5883\u306e\u9055\u3044<\/strong><\/h3>\n\n\n\n

\u540c\u3058\u7523\u696d\u6a5f\u5668\u3067\u3082\u3001\u7528\u9014\u306b\u3088\u3063\u3066\u30b5\u30fc\u30b8\u74b0\u5883\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002FA\u6a5f\u5668\u306f\u30e2\u30fc\u30bf\u3084\u30a4\u30f3\u30d0\u30fc\u30bf\u304c\u8fd1\u508d\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u9ad8\u5468\u6ce2\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ce\u30a4\u30ba\u3068EFT\u3078\u306e\u5bfe\u7b56\u304c\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u8eca\u8f09\u6a5f\u5668\u3067\u306f\u30d0\u30c3\u30c6\u30ea\u306e\u8131\u7740\u3084\u8ca0\u8377\u30c0\u30f3\u30d7\u306b\u3088\u308b\u30ed\u30fc\u30c9\u30c0\u30f3\u30d7\u30b5\u30fc\u30b8\u3078\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u72ec\u81ea\u306e\u8eca\u8f09\u898f\u683c\u3078\u306e\u6e96\u62e0\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u96fb\u529b\u30a4\u30f3\u30d5\u30e9\u3084\u5c4b\u5916\u8a2d\u7f6e\u6a5f\u5668\u3067\u306f\u96f7\u30b5\u30fc\u30b8\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5927\u304d\u304f\u3001IEC 61000-4-5\u306e\u9ad8\u30ec\u30d9\u30eb\u8a66\u9a13\u3078\u306e\u5bfe\u5fdc\u3068\u3001\u591a\u6bb5\u968e\u306e\u4fdd\u8b77\u69cb\u6210\u304c\u73fe\u5b9f\u7684\u306a\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4fdd\u8b77\u7d20\u5b50\u306e\u9078\u3073\u65b9\u3068\u7279\u6027\u6bd4\u8f03<\/strong><\/h2>\n\n\n\n

EEPROM\u3092\u30b5\u30fc\u30b8\u30fbESD\u304b\u3089\u5b88\u308b\u305f\u3081\u306e\u4fdd\u8b77\u7d20\u5b50\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7279\u6027\u3068\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u3042\u308a\u307e\u3059\u3002\u52d5\u4f5c\u96fb\u5727\u30fb\u4fe1\u53f7\u901f\u5ea6\u30fb\u60f3\u5b9a\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u3044\u30463\u3064\u306e\u8ef8\u306b\u6cbf\u3063\u3066\u5404\u7d20\u5b50\u306e\u7279\u6027\u3092\u6574\u7406\u30fb\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8981\u4ef6\u306b\u6700\u3082\u9069\u3057\u305f\u7d20\u5b50\u3092\u7684\u78ba\u304b\u3064\u52b9\u7387\u7684\u306b\u9078\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

TVS\u30c0\u30a4\u30aa\u30fc\u30c9\u306e\u9078\u5b9a\uff1a\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u30fb\u5fdc\u7b54\u901f\u5ea6\u30fb\u5bb9\u91cf\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/strong><\/h3>\n\n\n\n

TVS\uff08Transient Voltage Suppressor\uff09\u30c0\u30a4\u30aa\u30fc\u30c9\u306f\u3001\u30b5\u30d6\u30ca\u30ce\u79d2\u30aa\u30fc\u30c0\u30fc\u306e\u9ad8\u901f\u5fdc\u7b54\u6027\u3092\u6301\u3061\u3001ESD\u3084EFT\u306e\u3088\u3046\u306a\u6025\u5cfb\u306a\u904e\u6e21\u96fb\u5727\u306b\u5bfe\u3057\u3066\u512a\u308c\u305f\u4fdd\u8b77\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u9078\u5b9a\u306e\u969b\u306b\u306f\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u304cEEPROM\u306e\u7d76\u5bfe\u6700\u5927\u5b9a\u683c\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u304b\u3064\u5b9a\u5e38\u52d5\u4f5c\u96fb\u5727\u3088\u308a\u5341\u5206\u9ad8\u3044\u5024\u3092\u9078\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u7aef\u5b50\u9593\u5bb9\u91cf\u304c\u5927\u304d\u3044\u3068\u9ad8\u901f\u306aI2C\u3084SPI\u306e\u4fe1\u53f7\u54c1\u8cea\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001\u9ad8\u901f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u4f4e\u5bb9\u91cf\u54c1\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u5358\u65b9\u5411\u30fb\u53cc\u65b9\u5411\u306e\u9078\u629e\u306f\u4fe1\u53f7\u306e\u6975\u6027\u306b\u5408\u308f\u305b\u3066\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d0\u30ea\u30b9\u30bf\u3068\u306e\u9055\u3044\uff1a\u30a8\u30cd\u30eb\u30ae\u30fc\u5438\u53ce\u91cf\u3068\u7e70\u308a\u8fd4\u3057\u8010\u6027<\/strong><\/h3>\n\n\n\n

\u30d0\u30ea\u30b9\u30bf\uff08MOV\uff1a\u91d1\u5c5e\u9178\u5316\u7269\u30d0\u30ea\u30b9\u30bf\uff09\u306fTVS\u30c0\u30a4\u30aa\u30fc\u30c9\u3068\u6bd4\u8f03\u3057\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u5438\u53ce\u91cf\u304c\u5927\u304d\u304f\u3001\u843d\u96f7\u30b5\u30fc\u30b8\u306e\u3088\u3046\u306a\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u904e\u6e21\u96fb\u5727\u306b\u5bfe\u3057\u3066\u6709\u52b9\u3067\u3059\u3002\u4e00\u65b9\u3067\u3001\u30af\u30e9\u30f3\u30d7\u96fb\u5727\u306e\u7cbe\u5ea6\u304cTVS\u3088\u308a\u4f4e\u304f\u3001\u4f4e\u96fb\u5727\u3067\u306e\u52d5\u4f5c\u304c\u96e3\u3057\u3044\u305f\u3081\u30013.3V\u30845V\u7cfb\u306eEEPROM\u4fdd\u8b77\u306b\u306f\u4e0d\u5411\u304d\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5927\u96fb\u6d41\u30b5\u30fc\u30b8\u3092\u7e70\u308a\u8fd4\u3057\u53d7\u3051\u308b\u3068\u7d20\u5b50\u304c\u52a3\u5316\u3059\u308b\u3068\u3044\u3046\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6e90\u30e9\u30a4\u30f3\u5074\u306e\u4e00\u6b21\u4fdd\u8b77\u306b\u30d0\u30ea\u30b9\u30bf\u3001\u4fe1\u53f7\u30e9\u30a4\u30f3\u5074\u306e\u4e8c\u6b21\u4fdd\u8b77\u306bTVS\u30c0\u30a4\u30aa\u30fc\u30c9\u3068\u3044\u3046\u591a\u6bb5\u69cb\u6210\u304c\u7523\u696d\u6a5f\u5668\u3067\u306f\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n

\u96fb\u5727\u30b9\u30fc\u30d1\u30fc\u30d0\u30a4\u30b6\u30fcIC\u3068\u30db\u30fc\u30eb\u30c9\u30a2\u30c3\u30d7\u56de\u8def\u306e\u6d3b\u7528<\/strong><\/h3>\n\n\n\n

\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u7684\u306a\u30b5\u30fc\u30b8\u4fdd\u8b77\u3060\u3051\u3067\u306a\u304f\u3001\u96fb\u6e90\u96fb\u5727\u3092\u76e3\u8996\u3057\u3066EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u3092\u5236\u5fa1\u3059\u308b\u624b\u6cd5\u3082\u91cd\u8981\u3067\u3059\u3002\u96fb\u5727\u30b9\u30fc\u30d1\u30fc\u30d0\u30a4\u30b6\u30fcIC\u306f\u96fb\u6e90\u96fb\u5727\u304c\u898f\u5b9a\u5024\u3092\u4e0b\u56de\u3063\u305f\u969b\u306b\u30ea\u30bb\u30c3\u30c8\u4fe1\u53f7\u3092\u51fa\u529b\u3057\u3001\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u3092\u5f37\u5236\u505c\u6b62\u3057\u3066\u30c7\u30fc\u30bf\u7834\u640d\u3092\u9632\u304e\u307e\u3059\u3002\u307e\u305fEEPROM\u306eVDD\u30e9\u30a4\u30f3\u306b\u9069\u5207\u306a\u5bb9\u91cf\u306e\u30d0\u30a4\u30d1\u30b9\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30db\u30fc\u30eb\u30c9\u30a2\u30c3\u30d7\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u96fb\u6e90\u77ac\u65ad\u3084\u6025\u6fc0\u306a\u96fb\u5727\u964d\u4e0b\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u3082\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u3092\u6b63\u5e38\u306b\u5b8c\u4e86\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u306f\u66f8\u304d\u8fbc\u307f\u6642\u9593\u3068\u6d88\u8cbb\u96fb\u6d41\u304b\u3089\u8a08\u7b97\u3057\u3066\u9078\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u8a2d\u8a08\u3092\u5805\u7262\u306b\u3059\u308b\u5b9f\u88c5\u30dd\u30a4\u30f3\u30c8\u3068FeRAM\u3068\u3044\u3046\u9078\u629e\u80a2<\/strong><\/h2>\n\n\n\n

\u4fdd\u8b77\u7d20\u5b50\u3092\u6b63\u3057\u304f\u9078\u5b9a\u3057\u3066\u3082\u3001\u57fa\u677f\u5b9f\u88c5\u3084\u56de\u8def\u8a2d\u8a08\u306e\u65b9\u91dd\u306b\u554f\u984c\u304c\u3042\u308c\u3070\u4fdd\u8b77\u6027\u80fd\u306f\u5927\u304d\u304f\u640d\u306a\u308f\u308c\u307e\u3059\u3002\u5b9f\u88c5\u4e0a\u306e\u6ce8\u610f\u70b9\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u542b\u3081\u305f\u591a\u5c64\u7684\u306a\u5bfe\u7b56\u3001\u305d\u3057\u3066EEPROM\u305d\u306e\u3082\u306e\u306e\u4ee3\u66ff\u3068\u3044\u30463\u3064\u306e\u8996\u70b9\u304b\u3089\u305d\u308c\u305e\u308c\u691c\u8a0e\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u5168\u4f53\u306e\u5805\u7262\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u6307\u91dd\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u4fdd\u8b77\u7d20\u5b50\u306e\u914d\u7f6e\u30fb\u30d1\u30bf\u30fc\u30f3\u9577\u30fb\u30b0\u30e9\u30a6\u30f3\u30c9\u8a2d\u8a08<\/strong><\/h3>\n\n\n\n

TVS\u30c0\u30a4\u30aa\u30fc\u30c9\u306a\u3069\u306e\u4fdd\u8b77\u7d20\u5b50\u306f\u3001\u30b5\u30fc\u30b8\u4fb5\u5165\u53e3\uff08\u30b3\u30cd\u30af\u30bf\u3084\u5916\u90e8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u7aef\u5b50\uff09\u306e\u3067\u304d\u308b\u3060\u3051\u8fd1\u304f\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u304c\u539f\u5247\u3067\u3059\u3002\u4fdd\u8b77\u7d20\u5b50\u304b\u3089\u88ab\u4fdd\u8b77IC\u307e\u3067\u306e\u30d1\u30bf\u30fc\u30f3\u9577\u304c\u9577\u3044\u3068\u3001\u30d1\u30bf\u30fc\u30f3\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u6210\u5206\u306b\u3088\u3063\u3066\u30b5\u30fc\u30b8\u306e\u521d\u671f\u30d4\u30fc\u30af\u96fb\u5727\u304c\u4fdd\u8b77\u7d20\u5b50\u306e\u624b\u524d\u3067\u767a\u751f\u3057\u3001\u88ab\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u306b\u9ad8\u96fb\u5727\u304c\u5370\u52a0\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u307e\u305f\u30b0\u30e9\u30a6\u30f3\u30c9\u30d1\u30bf\u30fc\u30f3\u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6700\u5c0f\u5316\u3059\u308b\u305f\u3081\u3001\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u3092\u6975\u529b\u4f7f\u308f\u305a\u592a\u304f\u77ed\u304f\u8a2d\u8a08\u3057\u307e\u3059\u3002\u4fdd\u8b77\u7d20\u5b50\u306e\u30b0\u30e9\u30a6\u30f3\u30c9\u7aef\u5b50\u304b\u3089\u57fa\u677f\u30b0\u30e9\u30a6\u30f3\u30c9\u30d7\u30ec\u30fc\u30f3\u3078\u306e\u6700\u77ed\u7d4c\u8def\u78ba\u4fdd\u304c\u3001\u4fdd\u8b77\u6027\u80fd\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

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