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EEPROM\u3068NVRAM\u306e\u5f79\u5272\u3068\u4f7f\u308f\u308c\u65b9<\/strong><\/h3>\n\n\n\n

EEPROM\u306f\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u306e\u66f8\u63db\u304c\u53ef\u80fd\u3067\u3042\u308a\u3001\u5c0f\u898f\u6a21\u306a\u8a2d\u5b9a\u30c7\u30fc\u30bf\u3084\u5236\u5fa1\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4fdd\u5b58\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u66f8\u63db\u56de\u6570\u306b\u5236\u9650\u304c\u3042\u308a\u3001\u983b\u7e41\u306a\u66f8\u63db\u304c\u767a\u751f\u3059\u308b\u30ed\u30b0\u7528\u9014\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002\u4e00\u65b9\u3001NVRAM\u306fSRAM\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u96fb\u6e90\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u69cb\u6210\u304c\u4e00\u822c\u7684\u3067\u3001\u9ad8\u901f\u30a2\u30af\u30bb\u30b9\u3068\u4e0d\u63ee\u767a\u6027\u3092\u4e21\u7acb\u3057\u3066\u3044\u307e\u3059\u3002\u96fb\u6e90\u304c\u5931\u308f\u308c\u3066\u3082\u30c7\u30fc\u30bf\u4fdd\u6301\u304c\u53ef\u80fd\u3067\u3042\u308a\u3001\u91cd\u8981\u306a\u8a2d\u5b9a\u60c5\u5831\u306e\u4fdd\u5b58\u5148\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u30d0\u30c3\u30c6\u30ea\u5bff\u547d\u3084\u7ba1\u7406\u306e\u8ca0\u62c5\u304c\u8ab2\u984c\u3067\u3059\u3002\u4e21\u8005\u306f\u7528\u9014\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u9078\u5b9a\u306b\u304a\u3051\u308b\u5f93\u6765\u6280\u8853\u306e\u8ab2\u984c<\/strong><\/h3>\n\n\n\n

\u5f93\u6765\u306e\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u6280\u8853\u306f\u591a\u304f\u306e\u901a\u4fe1\u6a5f\u5668\u3067\u63a1\u7528\u3055\u308c\u3066\u304d\u305f\u5b9f\u7e3e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u8fd1\u5e74\u306e\u904b\u7528\u8981\u4ef6\u306b\u306f\u5bfe\u5fdc\u3057\u304d\u308c\u306a\u3044\u9762\u3082\u898b\u3089\u308c\u307e\u3059\u3002EEPROM\u306f\u66f8\u63db\u56de\u6570\u306b\u4e0a\u9650\u304c\u3042\u308a\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u66f8\u63db\u3048\u304c\u9045\u304f\u3001\u983b\u7e41\u306a\u30a2\u30af\u30bb\u30b9\u306b\u4e0d\u5411\u304d\u3067\u3059\u3002\u307e\u305f\u3001NVRAM\u306f\u30d0\u30c3\u30c6\u30ea\u306e\u52a3\u5316\u306b\u3088\u308b\u4fdd\u6301\u6027\u80fd\u306e\u4f4e\u4e0b\u304c\u904b\u7528\u30ea\u30b9\u30af\u306b\u306a\u308a\u307e\u3059\u3002\u9ad8\u6e29\u3084\u632f\u52d5\u3068\u3044\u3063\u305f\u904e\u9177\u306a\u74b0\u5883\u6761\u4ef6\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u304c\u9577\u671f\u306b\u308f\u305f\u308a\u5b89\u5b9a\u3057\u3066\u52d5\u4f5c\u3059\u308b\u4fdd\u8a3c\u3092\u5f97\u306b\u304f\u304f\u306a\u3063\u3066\u304a\u308a\u3001\u65b0\u3057\u3044\u9078\u629e\u80a2\u306e\u691c\u8a0e\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u6b21\u4e16\u4ee3\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\uff08MRAM\uff0fFeRAM\uff09\u304c\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027<\/strong><\/h2>\n\n\n\n

\u5f93\u6765\u306e\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u306f\u66f8\u63db\u8010\u4e45\u6027\u3084\u901f\u5ea6\u3001\u6d88\u8cbb\u96fb\u529b\u3001\u30c7\u30fc\u30bf\u4fdd\u6301\u671f\u9593\u306a\u3069\u306b\u304a\u3044\u3066\u7528\u9014\u306b\u3088\u308b\u9650\u754c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066MRAM\u304a\u3088\u3073FeRAM\u306f\u3001\u7269\u7406\u539f\u7406\u304b\u3089\u7570\u306a\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u53d6\u308b\u3053\u3068\u3067\u3001\u4fe1\u983c\u6027\u3084\u52d5\u4f5c\u6027\u80fd\u306e\u9762\u3067\u901a\u4fe1\u30eb\u30fc\u30bf\u30fc\u306a\u3069\u306e\u5e38\u6642\u7a3c\u50cd\u6a5f\u5668\u306b\u304a\u3051\u308b\u8ab2\u984c\u3092\u89e3\u6c7a\u3057\u5f97\u308b\u6280\u8853\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u304c\u6301\u3064\u72ec\u81ea\u306e\u7279\u6027\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u8a2d\u8a08\u9818\u57df\u304c\u958b\u304b\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

MRAM\u306e\u52d5\u4f5c\u539f\u7406\u3068\u30eb\u30fc\u30bf\u30fc\u5206\u91ce\u3078\u306e\u9069\u7528\u6027<\/strong><\/h3>\n\n\n\n

MRAM\uff08Magnetoresistive Random Access Memory\uff09\u306f\u3001\u78c1\u6c17\u30c8\u30f3\u30cd\u30eb\u63a5\u5408\uff08MTJ\uff09\u3092\u7528\u3044\u3066\u60c5\u5831\u3092\u8a18\u61b6\u3059\u308b\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u3042\u308a\u3001\u5f93\u6765\u306e\u96fb\u8377\u84c4\u7a4d\u578b\u3068\u306f\u7570\u306a\u308b\u52d5\u4f5c\u539f\u7406\u306b\u3088\u308a\u9ad8\u3044\u66f8\u63db\u8010\u4e45\u6027\u3068\u9ad8\u901f\u30a2\u30af\u30bb\u30b9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306bSpin Transfer Torque\uff08STT\uff09\u578bMRAM\u306f\u3001\u66f8\u63db\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u4f4e\u304f\u3001\u6570\u30ca\u30ce\u79d2\u5358\u4f4d\u306e\u9ad8\u901f\u30a2\u30af\u30bb\u30b9\u30681\u5146\u56de\u4ee5\u4e0a\u306e\u9ad8\u3044\u66f8\u63db\u5bff\u547d\u3092\u4e21\u7acb\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7279\u6027\u306b\u3088\u308a\u3001\u30ed\u30b0\u4fdd\u5b58\u306e\u3088\u3046\u306a\u9ad8\u983b\u5ea6\u30a2\u30af\u30bb\u30b9\u306b\u3082\u8010\u3048\u308b\u69cb\u6210\u304c\u53ef\u80fd\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u96fb\u6e90\u65ad\u5f8c\u3082\u30c7\u30fc\u30bf\u304c\u305d\u306e\u307e\u307e\u4fdd\u6301\u3055\u308c\u308b\u305f\u3081\u3001NVRAM\u3084\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u4ee3\u66ff\u3068\u3057\u3066\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u6d88\u8cbb\u96fb\u529b\u304c\u5c11\u306a\u304f\u3001\u30d0\u30c3\u30c6\u30ea\u4e0d\u8981\u306e\u305f\u3081\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3059\u308b\u70b9\u3082\u5927\u304d\u306a\u5229\u70b9\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u4e92\u63db\u6027\u304c\u9ad8\u304f\u3001\u65e2\u5b58\u306eCMOS\u30ed\u30b8\u30c3\u30af\u3068\u540c\u4e00\u30c1\u30c3\u30d7\u4e0a\u3067\u6df7\u8f09\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u8a2d\u8a08\u306e\u81ea\u7531\u5ea6\u3092\u9ad8\u3081\u3064\u3064\u5c0f\u578b\u5316\u306b\u3082\u8ca2\u732e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

FeRAM\u306e\u7279\u6027\u3068\u6d3b\u7528\u306e\u5e83\u304c\u308a<\/strong><\/h3>\n\n\n\n

FeRAM\uff08Ferroelectric RAM\uff09\u306f\u5f37\u8a98\u96fb\u4f53\u3092\u7528\u3044\u3066\u8a18\u61b6\u72b6\u614b\u3092\u4fdd\u6301\u3059\u308b\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u3042\u308a\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u304b\u304b\u308b\u96fb\u754c\u306b\u3088\u3063\u3066\u5206\u6975\u72b6\u614b\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u3092\u884c\u3044\u307e\u3059\u3002FeRAM\u306f\u6975\u3081\u3066\u4f4e\u3044\u66f8\u63db\u30a8\u30cd\u30eb\u30ae\u30fc\u3067\u52d5\u4f5c\u53ef\u80fd\u3067\u3042\u308a\u3001\u66f8\u63db\u901f\u5ea6\u306fSRAM\u306b\u5339\u6575\u3059\u308b\u6570\u5341\u30ca\u30ce\u79d2\u30ec\u30d9\u30eb\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u66f8\u63db\u8010\u4e45\u6027\u30821\u5146\u56de\u4ee5\u4e0a\u3068\u9ad8\u304f\u3001\u4f4e\u96fb\u529b\u30fb\u9ad8\u901f\u52d5\u4f5c\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u901a\u4fe1\u6a5f\u5668\u306b\u304a\u3044\u3066\u306f\u3001\u8a2d\u5b9a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4fdd\u6301\u3084\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u306e\u4fdd\u5b58\u3001\u72b6\u614b\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4fdd\u6301\u306a\u3069\u3001\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u304c\u9ad8\u304f\u66f8\u8fbc\u307f\u96fb\u529b\u91cf\u3092\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u7b87\u6240\u306b\u6700\u9069\u3067\u3059\u3002\u307e\u305f\u3001\u96fb\u6e90\u6295\u5165\u6642\u306b\u81ea\u52d5\u3067\u4fdd\u6301\u30c7\u30fc\u30bf\u3092\u5fa9\u65e7\u53ef\u80fd\u306a\u305f\u3081\u3001\u77ac\u6642\u8d77\u52d5\u306e\u5b9f\u73fe\u306b\u3082\u5bc4\u4e0e\u3057\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u3084EEPROM\u3067\u306f\u5b9f\u73fe\u304c\u96e3\u3057\u304b\u3063\u305f\u7701\u96fb\u529b\u30fb\u9ad8\u983b\u5ea6\u30a2\u30af\u30bb\u30b9\u74b0\u5883\u3067\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u3001\u9577\u5bff\u547d\u6a5f\u5668\u306b\u304a\u3051\u308b\u904b\u7528\u30b3\u30b9\u30c8\u306e\u6700\u9069\u5316\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u7528\u9014\u306b\u5fdc\u3058\u305fMRAM\u30fbFeRAM\u9078\u5b9a\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/strong><\/h3>\n\n\n\n

MRAM\u3068FeRAM\u306f\u3069\u3061\u3089\u3082\u9ad8\u4fe1\u983c\u306a\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3067\u3059\u304c\u3001\u7528\u9014\u306b\u5fdc\u3058\u305f\u6700\u9069\u306a\u4f7f\u3044\u5206\u3051\u304c\u91cd\u8981\u3067\u3059\u3002MRAM\u306f\u9ad8\u901f\u306a\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u3068\u9ad8\u66f8\u63db\u8010\u4e45\u6027\u3092\u517c\u306d\u5099\u3048\u3066\u304a\u308a\u3001\u30ed\u30b0\u8a18\u9332\u3084\u8a2d\u5b9a\u306e\u983b\u7e41\u306a\u66f4\u65b0\u306a\u3069\u3001\u9ad8\u983b\u5ea6\u66f8\u63db\u304c\u767a\u751f\u3059\u308b\u9818\u57df\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5916\u90e8\u30d0\u30c3\u30c6\u30ea\u4e0d\u8981\u3067\u9577\u671f\u4fdd\u6301\u304c\u53ef\u80fd\u306a\u305f\u3081\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3082\u9ad8\u3044\u3067\u3059\u3002\u4e00\u65b9\u3001FeRAM\u306f\u8d85\u4f4e\u6d88\u8cbb\u96fb\u529b\u3068\u9ad8\u901f\u66f8\u63db\u304c\u7279\u9577\u3067\u3001\u7701\u96fb\u529b\u5316\u304c\u6c42\u3081\u3089\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u3084\u77ac\u6642\u8d77\u52d5\u304c\u5fc5\u8981\u306a\u69cb\u6210\u306b\u6709\u52b9\u3067\u3059\u3002\u69cb\u6210\u60c5\u5831\u3084\u4e00\u6642\u30c7\u30fc\u30bf\u306e\u4fdd\u6301\u3001\u4f4e\u8ca0\u8377\u52d5\u4f5c\u304c\u6c42\u3081\u3089\u308c\u308b\u90e8\u5206\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u4e21\u8005\u306e\u7279\u6027\u3092\u8a2d\u8a08\u6761\u4ef6\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3001\u4f7f\u7528\u7b87\u6240\u3092\u9069\u5207\u306b\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u52b9\u7387\u3068\u4fe1\u983c\u6027\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u3068\u3081\uff1a\u901a\u4fe1\u6a5f\u5668\u5411\u3051\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306e\u6bd4\u8f03\u3068\u4eca\u5f8c\u306e\u65b9\u5411\u6027<\/strong><\/h2>\n\n\n\n

\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u306f\u901a\u4fe1\u30eb\u30fc\u30bf\u30fc\u306e\u4fe1\u983c\u6027\u3001\u904b\u7528\u52b9\u7387\u3001\u4fdd\u5b88\u6027\u306b\u6df1\u304f\u95a2\u308f\u308b\u91cd\u8981\u306a\u69cb\u6210\u8981\u7d20\u3067\u3059\u3002\u6280\u8853\u306e\u9032\u5316\u3068\u3068\u3082\u306b\u9078\u629e\u80a2\u304c\u5e83\u304c\u3063\u3066\u304a\u308a\u3001\u4eca\u5f8c\u306f\u3088\u308a\u67d4\u8edf\u3067\u9577\u5bff\u547d\u306a\u30e1\u30e2\u30ea\u8a2d\u8a08\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u5404\u30e1\u30e2\u30ea\u306e\u9069\u7528\u9818\u57df\u3068\u6027\u80fd\u306e\u6574\u7406<\/strong><\/h3>\n\n\n\n

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