{"id":2541,"date":"2024-09-04T17:32:20","date_gmt":"2024-09-04T09:32:20","guid":{"rendered":"https:\/\/www.siproin-ic.com\/?p=2541"},"modified":"2024-09-06T11:27:58","modified_gmt":"2024-09-06T03:27:58","slug":"stt-mram-non-volatile-magnetic-random-access-memory","status":"publish","type":"post","link":"https:\/\/www.siproin-ic.com\/ja\/stt-mram-non-volatile-magnetic-random-access-memory\/","title":{"rendered":"STT-MRAM \u4e0d\u63ee\u767a\u6027\u78c1\u6c17\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u30e1\u30e2\u30ea"},"content":{"rendered":"

STT-MRAM\uff08\u30b9\u30d4\u30f3\u30c8\u30e9\u30f3\u30b9\u30d5\u30a1\u30fc\u30c8\u30eb\u30af\u78c1\u6c17\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u30e1\u30e2\u30ea\u30fc\uff09\u306f\u3001MRAM\uff08\u78c1\u6c17\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u30e1\u30e2\u30ea\u30fc\uff09\u306e\u7b2c2\u4e16\u4ee3\u3067\u3042\u308b\u3002\u305d\u306e\u6838\u3068\u306a\u308b\u5229\u70b9\u306f\u3001\u52b9\u7387\u7684\u306a\u60c5\u5831\u66f8\u304d\u8fbc\u307f\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30b9\u30d4\u30f3\u6d41\u6280\u8853\u306e\u5229\u7528\u306b\u3042\u308b\u3002\u305d\u306e\u8a18\u61b6\u88c5\u7f6e\u306e\u6838\u3068\u306a\u308b\u90e8\u54c1\u306f\u3001\u7cbe\u5de7\u306b\u8a2d\u8a08\u3055\u308c\u305fMTJ\uff08\u78c1\u6c17\u30c8\u30f3\u30cd\u30eb\u63a5\u5408\uff09\u3067\u3001\u539a\u3055\u306e\u7570\u306a\u308b2\u3064\u306e\u5f37\u78c1\u6027\u5c64\u3092\u3001\u539a\u3055\u308f\u305a\u304b\u6570\u30ca\u30ce\u30e1\u30fc\u30c8\u30eb\u306e\u975e\u78c1\u6027\u7d76\u7e01\u5c64\u3067\u631f\u3093\u3060\u3082\u306e\u3067\u3042\u308b\u3002\u3053\u306e\u30e6\u30cb\u30fc\u30af\u306a\u8a2d\u8a08\u306b\u3088\u308a\u3001STT-MRAM\u306f\u30b9\u30d4\u30f3\u96fb\u6d41\u3092\u7cbe\u5bc6\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u9ad8\u5ea6\u306a\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/span><\/p>\n

 <\/p>\n

STT-MRAM\u306e\u52d5\u4f5c\u539f\u7406<\/strong><\/span><\/p>\n

\u8a18\u61b6\u88c5\u7f6e\u306f\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3001\u78c1\u6c17\u30c8\u30f3\u30cd\u30eb\u63a5\u5408\uff08MTJ\uff09\u3001\u63a5\u7d9a\u7dda\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u3002MTJ\u306f\u56fa\u5b9a\u5c64\uff08\u5f37\u78c1\u6027\uff09\u3001\u975e\u78c1\u6027\u7d76\u7e01\u5c64\u3001\u81ea\u7531\u5c64\uff08\u5f31\u78c1\u6027\uff09\u3067\u7a4d\u5c64\u3055\u308c\u3001\u81ea\u7531\u5c64\u306e\u78c1\u6c17\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u5bb9\u6613\u306b\u53cd\u8ee2\u3059\u308b\u3002\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u30b5\u30a4\u30c8\u9078\u629e\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u305d\u306e\u30c9\u30ec\u30a4\u30f3\u306fMTJ\u56fa\u5b9a\u5c64\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3002\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u304c\u30b2\u30fc\u30c8\u306b\u3088\u3063\u3066\u6d3b\u6027\u5316\u3055\u308c\u308b\u3068\u3001\u30bd\u30fc\u30b9\u3001\u30c9\u30ec\u30a4\u30f3\u3001MTJ\u3001\u30d3\u30c3\u30c8\u7dda\u304c\u9589\u56de\u8def\u3092\u5f62\u6210\u3059\u308b\u3002<\/span><\/p>\n

\u60c5\u5831\u3092\u66f8\u304d\u8fbc\u3080\u969b\u3001\u30d3\u30c3\u30c8\u7dda\u3068\u8ffd\u52a0\u66f8\u304d\u8fbc\u307f\u60c5\u5831\u7dda\u306f\u305d\u308c\u305e\u308c\u534a\u9078\u629e\u66f8\u304d\u8fbc\u307f\u78c1\u754c\u3092\u767a\u751f\u3057\u30012\u3064\u306e\u78c1\u754c\u306f\u76f4\u4ea4\u3059\u308b\u3002\u8a18\u61b6\u30bb\u30eb\u304c\u9078\u629e\u3055\u308c\u3001\u8ffd\u52a0\u66f8\u304d\u8fbc\u307f\u60c5\u5831\u7dda\u306b\u96fb\u6e90\u304c\u6295\u5165\u3055\u308c\u305f\u3068\u304d\u306e\u307f\u3001\u4e8c\u91cd\u78c1\u754c\u306b\u3088\u3063\u3066\u81ea\u7531\u5c64\u306e\u78c1\u6c17\u30e2\u30fc\u30e1\u30f3\u30c8\u304c\u56fa\u5b9a\u5c64\u306e\u78c1\u6c17\u30e2\u30fc\u30e1\u30f3\u30c8\u3068\u5e73\u884c\u307e\u305f\u306f\u53cd\u5e73\u884c\u306b\u53cd\u8ee2\u3057\u3001\u305d\u306e\u7d50\u679c\u3001MTJ\u306e\u62b5\u6297\u304c\u5909\u5316\u3057\u3001\u60c5\u5831\u8a18\u61b6\u304c\u5b9f\u73fe\u3059\u308b\u3002<\/span><\/p>\n

\u60c5\u5831\u3092\u8aad\u307f\u51fa\u3059\u969b\u3001\u9078\u629e\u3055\u308c\u305f\u30e1\u30e2\u30ea\u30bb\u30eb\u306b\u5fae\u5c0f\u96fb\u6d41\u304c\u6d41\u308c\u3001MTJ\u9593\u306b\u96fb\u4f4d\u5dee\u304c\u767a\u751f\u3057\u3001\u305d\u306e\u62b5\u6297\u72b6\u614b\u304c\u53cd\u6620\u3055\u308c\u308b\u3002\u3053\u306e\u96fb\u4f4d\u5dee\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u7531\u5c64\u3068\u56fa\u5b9a\u5c64\u306e\u78c1\u6c17\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u76f8\u5bfe\u7684\u306a\u5411\u304d\u3092\u975e\u7834\u58ca\u3067\u6c7a\u5b9a\u3057\u3001\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u3092\u8aad\u307f\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/span><\/p>\n

\"\"<\/span><\/p>\n

\uff08MTJ\u30e2\u30fc\u30c9\u5f8c\u306eMRAM\u30d7\u30ed\u30bb\u30b9\u30d5\u30ed\u30fc\uff09<\/span><\/p>\n

 <\/p>\n

STT-MRAM\u306e\u7279\u6027<\/strong><\/span><\/p>\n

    \n
  1. \u4e88\u671f\u305b\u306c\u505c\u96fb\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3067\u3082\u3001STT-MRAM\u56fa\u6709\u306e\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d0\u30c3\u30c6\u30ea\u30fc\u306b\u983c\u308b\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\n
  2. STT-MRAM\u306e\u9ad8\u901f\u8aad\u307f\u51fa\u3057\/\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8aad\u307f\u51fa\u3057\/\u66f8\u304d\u8fbc\u307f\u5f85\u3061\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30d7\u30ec\u30fc\u30b9\u5b9f\u884c\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u3057\u307e\u3059\u3002<\/span><\/li>\n
  3. STT-MRAM\u306f\u3001\u9ad8\u5e2f\u57df\u5e45\u306e\u8aad\u307f\u66f8\u304d\u3068\u4e0d\u63ee\u767a\u6027\u306e\u7279\u6027\u3092\u6301\u3061\u3001\u30e1\u30e2\u30ea\u3068\u30e9\u30f3\u30cb\u30f3\u30b0\u30e1\u30e2\u30ea\u306e\u4e8c\u91cd\u6a5f\u80fd\u3092\u679c\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\n
  4. STT-MRAM\u30e1\u30e2\u30ea\u306f\u56fd\u5185\u72ec\u7acb\u88fd\u54c1\u3067\u3001\u6700\u521d\u306e\u30d0\u30c3\u30c1\u51fa\u8377\u3067\u3042\u308b\u3002<\/span><\/li>\n
  5. \u30c7\u30fc\u30bf\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u3001\u6539\u3056\u3093\u3055\u308c\u306b\u304f\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u30fb\u5c55\u958b\u304c\u3088\u308a\u4fbf\u5229\u306b\u306a\u308b\u3002<\/span><\/li>\n
  6. SRAM+FLASH+EEPROM\u306e\u540c\u6642\u4ea4\u63db\u304c\u53ef\u80fd\u3002<\/span><\/li>\n<\/ol>\n

     <\/p>\n

    STT-MRAM\u3068\u4e00\u822c\u7684\u306a\u30e1\u30e2\u30ea\u306e\u6bd4\u8f03\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/strong><\/span><\/p>\n

    \u88681\uff1a<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
    \u30a2\u30a4\u30c6\u30e0<\/strong><\/span><\/td>\nSTT-MRAM<\/strong><\/span><\/td>\nFRAM<\/strong><\/span><\/td>\n\u30a8\u30cc\u30d6\u30a4\u30a8\u30b9\u30e9\u30e0<\/strong><\/span><\/td>\n\u30c8\u30b0\u30eb-MRAM<\/strong><\/span><\/td>\n<\/tr>\n
    \u30e1\u30e2\u30ea\u30fc\u30bf\u30a4\u30d7<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n<\/tr>\n
    \u66f8\u304d\u8fbc\u307f\u65b9\u6cd5<\/span><\/td>\n\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c8<\/span><\/td>\n\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c8<\/span><\/td>\n\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c8<\/span><\/td>\n\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c8<\/span><\/td>\n<\/tr>\n
    \u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb<\/span><\/td>\n25ns<\/span><\/td>\n150ns<\/span><\/td>\n25ns<\/span><\/td>\n35ns<\/span><\/td>\n<\/tr>\n
    \u30ea\u30fc\u30c9\/\u30e9\u30a4\u30c8\u6570<\/span><\/td>\n1E+13<\/span><\/td>\n1E+14<\/span><\/td>\n1E+7<\/span><\/td>\n1E+13<\/span><\/td>\n<\/tr>\n
    \u30c7\u30fc\u30bf\u306e\u5bc6\u5ea6<\/span><\/td>\n\u9ad8\u3044<\/span><\/td>\n\u4f4e\u3044<\/span><\/td>\n\u4f4e\u3044<\/span><\/td>\n\u30df\u30c9\u30eb<\/span><\/td>\n<\/tr>\n
    \u4fdd\u6301\u6642\u9593<\/span><\/td>\n>20\u5e74\u4ee5\u4e0a<\/span><\/td>\n10\u5e74<\/span><\/td>\n20\u5e74<\/span><\/td>\n>20\u5e74\u4ee5\u4e0a<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u88682\uff1a<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
    \u30a2\u30a4\u30c6\u30e0<\/span><\/strong><\/td>\nSTT-MRAM<\/span><\/strong><\/td>\nEEPROM<\/span><\/strong><\/td>\n\u30d5\u30e9\u30c3\u30b7\u30e5<\/span><\/strong><\/td>\n\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u30e1\u30e2\u30ea<\/span><\/strong><\/td>\nFRAM<\/span><\/strong><\/td>\n<\/tr>\n
    \u30e1\u30e2\u30ea\u30fc\u30bf\u30a4\u30d7<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb\u00a0<\/span><\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb<\/span><\/td>\n\u30f4\u30a9\u30eb\u30c1\u30eb<\/span><\/td>\n\u975e\u30dc\u30eb\u30bf\u30a4\u30eb\u00a0<\/span><\/span><\/td>\n<\/tr>\n
    \u66f8\u304d\u8fbc\u307f\u65b9\u6cd5<\/span><\/td>\n\u4e0a\u66f8\u304d\u00a0<\/span><\/span><\/td>\n\u6d88\u53bb\uff0b\u66f8\u304d\u8fbc\u307f<\/span><\/td>\n\u6d88\u53bb\uff0b\u66f8\u304d\u8fbc\u307f<\/span><\/td>\n\u4e0a\u66f8\u304d<\/span><\/td>\n\u4e0a\u66f8\u304d<\/span><\/td>\n<\/tr>\n
    \u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0<\/span><\/td>\n25ns\u00a0<\/span><\/span><\/td>\n10\u03bcs<\/span><\/td>\n10\u03bcs<\/span><\/td>\n5ns<\/span><\/td>\n150ns<\/span><\/td>\n<\/tr>\n
    \u8aad\u307f\u66f8\u304d\u30b5\u30a4\u30af\u30eb<\/span><\/td>\n1E+13<\/span><\/td>\n1E+6<\/span><\/td>\n1E+5<\/span><\/td>\n\u7121\u5236\u9650<\/span><\/td>\n1E+14\u00a0<\/span><\/span><\/td>\n<\/tr>\n
    \u30d6\u30fc\u30b9\u30bf\u30fc\u56de\u8def<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n\u306f\u3044<\/span><\/td>\n\u306f\u3044<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n<\/tr>\n
    \u30c7\u30fc\u30bf\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30d0\u30c3\u30c6\u30ea\u30fc<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n\u306f\u3044<\/span><\/td>\n\u3044\u3044\u3048<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

     <\/p>\n

    \u7533\u3057\u8fbc\u307f<\/strong><\/span><\/p>\n

    \u7834\u58ca\u7684\u6280\u8853\u3067\u3042\u308bSTT-MRAM\u306f\u3001\u5bb6\u96fb\u3084\u30d1\u30bd\u30b3\u30f3\u304b\u3089\u81ea\u52d5\u8eca\u3001\u533b\u7642\u3001\u8ecd\u4e8b\u3001\u822a\u7a7a\u5b87\u5b99\u307e\u3067\u3001\u5e45\u5e83\u3044\u5206\u91ce\u3067\u88fd\u54c1\u6027\u80fd\u306e\u5c55\u671b\u3092\u5f90\u3005\u306b\u518d\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u534a\u5c0e\u4f53\u7523\u696d\u306e\u65b0\u7ae0\u3092\u4e88\u6e2c\u3057\u3001\u3055\u3089\u306b\u88fd\u54c1\u9769\u65b0\u306e\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u306b\u6d3b\u529b\u3092\u4e0e\u3048\u3066\u3044\u308b\u3002<\/span><\/p>\n

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