{"id":1620,"date":"2025-10-18T12:50:58","date_gmt":"2025-10-18T12:50:58","guid":{"rendered":"https:\/\/help.peacedoorball.blog\/ja\/?p=1620"},"modified":"2025-10-18T12:50:58","modified_gmt":"2025-10-18T12:50:58","slug":"psdram%ef%bc%88%e6%93%ac%e4%bc%bc%e3%82%b9%e3%82%bf%e3%83%86%e3%82%a3%e3%83%83%e3%82%afram%ef%bc%89%e3%82%92%e7%90%86%e8%a7%a3%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/help.peacedoorball.blog\/ja\/psdram%ef%bc%88%e6%93%ac%e4%bc%bc%e3%82%b9%e3%82%bf%e3%83%86%e3%82%a3%e3%83%83%e3%82%afram%ef%bc%89%e3%82%92%e7%90%86%e8%a7%a3%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"PSDRAM\uff08\u64ec\u4f3c\u30b9\u30bf\u30c6\u30a3\u30c3\u30afRAM\uff09\u3092\u7406\u89e3\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u8a73\u3057\u3044\u4eba\u306a\u3089\u3001RAM\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u3044\u308b\u4eba\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u306fDRAM\u306e\u4e00\u7a2e\u306e\u3053\u3068\u3092\u8a00\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u5b9f\u306f\u3001PC\u306b\u306fSRAM\u3082\u5185\u8535\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e2\u3064\u306b\u306f\u69d8\u3005\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5b9f\u7528\u7684\u3001\u30e6\u30fc\u30b6\u30fc\u76ee\u7dda\u3067\u8003\u3048\u308b\u3068\u3001DRAM\u306f\u5927\u5bb9\u91cf\u3067\u624b\u9803\u306a\u4fa1\u683c\u306e\u9078\u629e\u80a2\u3067\u3042\u308a\u3001SRAM\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u7528\u3068\u3057\u3066\u9ad8\u901f\u306b\u4f7f\u308f\u308c\u308b\u3068\u3044\u3046\u9055\u3044\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u4e00\u5ea6\u7406\u89e3\u3059\u308c\u3070\u7406\u89e3\u3067\u304d\u307e\u3059\u304c\u3001\u4e00\u898b\u3059\u308b\u3068\u5c11\u3057\u6df7\u4e71\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

SRAM\u306f\u306f\u308b\u304b\u306b\u9ad8\u4fa1\u3067\u3059\u304c\u9ad8\u901f\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e3b\u306bCPU\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u8d85\u9ad8\u901f\u3067\u30c7\u30fc\u30bf\u3092\u4f9b\u7d66\u3057\u7d9a\u3051\u307e\u3059\u3002\u4e00\u65b9\u3001DRAM\u306f\u5b89\u4fa1\u3067\u7c21\u5358\u306b\u62e1\u5f35\u3067\u304d\u308b\u305f\u3081\u3001\u30e1\u30a4\u30f3\u30e1\u30e2\u30ea\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d1\u30bd\u30b3\u30f3\u306e\u5185\u90e8\u3092\u8997\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306a\u3089\u3001RAM\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5927\u304d\u306aDRAM\u306e\u584a\u3067\u3067\u304d\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308b\u3067\u3057\u3087\u3046\u3002SRAM\u306f\u9ad8\u901f\u3067\u3059\u304c\u9ad8\u4fa1\u3067\u3042\u308b\u305f\u3081\u3001\u4e3b\u306bCPU\u5185\u90e8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u968e\u5c64\u306b\u96a0\u308c\u305f\u4f4d\u7f6e\u306b\u7f6e\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u540d\u524d\u306e\u8aac\u660e<\/span><\/h2>\n

SRAM\u306fStatic RAM\u3001DRAM\u306fDynamic RAM\u306e\u7565\u3067\u3059\u3002\u3053\u306e\u300cstatic\u300d\u3068\u300cdynamic\u300d\u306e\u9055\u3044\u304c\u3001\u591a\u304f\u306e\u4eba\u3092\u6df7\u4e71\u3055\u305b\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u3001SRAM\u30bb\u30eb\u306f\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u96fb\u6e90\u304c\u5165\u3063\u3066\u3044\u308b\u9650\u308a\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u3001\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u4e00\u65b9\u3001DRAM\u306f\u5c11\u3057\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u306b\u306f\u3001\u5e38\u306b\u5145\u96fb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u5145\u96fb\u3057\u306a\u3044\u3068\u30c7\u30fc\u30bf\u304c\u6d88\u53bb\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4e00\u898b\u5358\u7d14\u306a\u8a71\u306b\u805e\u3053\u3048\u307e\u3059\u304c\u3001\u5b9f\u306f\u7d30\u304b\u3044\u70b9\u304c\u91cd\u8981\u306a\u306e\u3067\u3059\u3002<\/p>\n

\u5b9f\u306f\u3001CPU\u306e\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u3053\u308c\u3092\u88cf\u3067\u51e6\u7406\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u76ee\u306b\u898b\u3048\u306a\u3044\u306e\u3067\u3059\u3002DRAM\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u304c\u6d88\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u5b9a\u671f\u7684\u306b\u540c\u3058\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u300c\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u30b5\u30a4\u30af\u30eb\u300d\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001RAM\u306b\u5b9a\u671f\u7684\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4e0e\u3048\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002SRAM\u30bb\u30eb\u306f\u3053\u306e\u3088\u3046\u306a\u96fb\u8377\u306e\u6e1b\u8870\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u305f\u3081\u3001\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u30b3\u30de\u30f3\u30c9\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u3053\u308c\u304cSRAM\u306e\u8d85\u9ad8\u901f\u6027\u3092\u652f\u3048\u308b\u306e\u3067\u3059\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u9ad8\u4fa1\u3067\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044\u3068\u3044\u3046\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u4e21\u65b9\u306e\u9577\u6240\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u308b\uff1f<\/span><\/h2>\n

PSDRAM<\/a>\u3063\u3066\u805e\u3044\u305f\u3053\u3068\u3042\u308a\u307e\u3059\u304b\uff1f\u3053\u308c\u306f\u64ec\u4f3c\u30b9\u30bf\u30c6\u30a3\u30c3\u30afRAM\uff08Pseudo-Static RAM\uff09\u306e\u7565\u3067\u3001DRAM\u6280\u8853\u3092\u30d9\u30fc\u30b9\u306bSRAM\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3055\u305b\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u578b\u306eRAM\u3067\u3059\u3002PSDRAM\u306e\u76ee\u7684\u306f\u8907\u96d1\u3055\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u3001CPU\u304c\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u306a\u304f\u3001\u5185\u90e8\u56de\u8def\u3092\u4f7f\u3063\u3066\u81ea\u52d5\u7684\u306b\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3059\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7d14\u7c8b\u306aSRAM\u3088\u308a\u3082\u5b89\u4fa1\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u305d\u308c\u3067\u3082\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u3002<\/p>\n

\u554f\u984c\u306f\uff1f \u900f\u904e\u7684\u306b\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3092\u884c\u3046\u305f\u3081\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u82e5\u5e72\u9ad8\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u6700\u4e2d\u306b\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30fc\u30bf\u3092\u8981\u6c42\u3057\u305f\u5834\u5408\u3001\u5c11\u3057\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5c11\u3057\u5947\u5999\u306b\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u304c\u4ed5\u7d44\u307f\u3067\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u306f\u306a\u304f\u3001\u8eca\u8f09\u30b7\u30b9\u30c6\u30e0\u3001\u7523\u696d\u7528\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3001FPGA\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306a\u3069\u3001\u901f\u5ea6\u3088\u308a\u3082\u8a2d\u8a08\u306e\u5bb9\u6613\u3055\u304c\u91cd\u8996\u3055\u308c\u308b\u7279\u6b8a\u306a\u7528\u9014\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u7d50\u8ad6<\/span><\/h2>\n

\u7dcf\u3058\u3066\u8a00\u3048\u3070\u3001PSDRAM\u306fSRAM\u4e26\u307f\u306e\u901f\u5ea6\u3092\u6301\u3061\u306a\u304c\u3089\u3001\u81ea\u52d5\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u56de\u8def\u306e\u304a\u304b\u3052\u3067DRAM\u4e26\u307f\u306e\u4f4e\u4fa1\u683c\u3092\u5b9f\u73fe\u3057\u305f\u3001\u3044\u308f\u3070\u4e2d\u9593\u7684\u306a\u5b58\u5728\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u6b63\u76f4\u306a\u3068\u3053\u308d\u3001\u6a19\u6e96\u7684\u306aPC\u3067\u306f\u3042\u307e\u308a\u666e\u53ca\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u4e3b\u306a\u7406\u7531\u306f\u3001\u4e00\u822c\u7684\u306a\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u306f\u3001\u5358\u306bDRAM\u3084SRAM\u3092\u4f7f\u3046\u5834\u5408\u3068\u6bd4\u3079\u3066\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u3001\u81ea\u52d5\u8eca\u95a2\u9023\u3001FPGA\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306a\u3069\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u5834\u5408\u306f\u3001\u6642\u6298\u767b\u5834\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u307b\u3068\u3093\u3069\u30cb\u30c3\u30c1\u306a\u5b58\u5728\u3067\u3059\u3002<\/p>\n

\u306a\u305cPSDRAM\u304c\u3082\u3063\u3068\u666e\u53ca\u3057\u3066\u3044\u306a\u3044\u306e\u304b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u304a\u305d\u3089\u304f\u3001\u73fe\u4ee3\u306eDRAM\u6280\u8853\u306f\u9032\u5316\u3057\u7d9a\u3051\u3066\u304a\u308a\u3001SRAM\u306f\u6700\u3082\u8981\u6c42\u306e\u53b3\u3057\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u4ee5\u5916\u306b\u306f\u9ad8\u4fa1\u3059\u304e\u308b\u304b\u3089\u3067\u3057\u3087\u3046\u3002\u305d\u308c\u3067\u3082\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u30b7\u30b9\u30c6\u30e0\u306bPSDRAM\u3092\u5c0e\u5165\u3059\u308b\u5834\u5408\u3001\u57fa\u790e\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u3001\u7279\u306b\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u60aa\u5316\u3059\u308b\u3088\u3046\u306a\u5834\u5408\u306a\u3069\u3001PSDRAM\u306e\u52d5\u4f5c\u306e\u7406\u7531\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

\u307e\u3068\u3081<\/h2>\n
    \n
  • RAM = \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u91cd\u8981\u306a\u90e8\u5206\u3060\u304c\u3001\u3088\u304f\u8aa4\u89e3\u3055\u308c\u308b<\/li>\n
  • SRAM: \u9ad8\u901f\u3001\u9ad8\u4fa1\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u4f7f\u7528<\/li>\n
  • DRAM: \u5b89\u4fa1\u3067\u5927\u5bb9\u91cf\u306e\u30e1\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea<\/li>\n
  • PSDRAM: SRAM\u3092\u6a21\u5023\u3057\u305f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u81ea\u52d5\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5DRAM<\/li>\n
  • \u73fe\u5728\u3067\u306f\u4e3b\u306b\u7523\u696d\u7528\u307e\u305f\u306f\u7279\u6b8a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n

    \u307e\u3068\u3081<\/h2>\n

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