{"id":5936,"date":"2026-01-20T09:00:00","date_gmt":"2026-01-20T00:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/zh-tw\/?post_type=column&#038;p=5936"},"modified":"2026-01-19T10:54:29","modified_gmt":"2026-01-19T01:54:29","slug":"how-to-choose-memory","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/zh-tw\/tech-column\/how-to-choose-memory\/","title":{"rendered":"\u63ee\u767c\u6027 vs \u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff1aSRAM\u3001DRAM\u3001FeRAM\u3001MRAM \u5dee\u7570\u6bd4\u8f03\u8207\u9078\u578b\u6307\u5357"},"content":{"rendered":"\n<p>\u672c\u6587\u5c07\u6df1\u5165\u8aaa\u660e <strong>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u8207\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u5dee\u7570<\/strong>\uff0c\u4e26\u4ee5\u8a2d\u8a08\u5de5\u7a0b\u5e2b\u7684\u89d2\u5ea6\uff0c\u89e3\u6790\u5404\u985e\u8a18\u61b6\u9ad4\u7684\u7279\u6027\u8207\u9078\u64c7\u91cd\u9ede\u3002<\/p>\n\n\n\n<p>\u5167\u5bb9\u6db5\u84cb <strong>SRAM\u3001DRAM\u3001FRAM\uff08FeRAM\uff09\u8207 MRAM<\/strong> \u7684\u512a\u7f3a\u9ede\u6bd4\u8f03\uff0c\u4ee5\u53ca\u6700\u65b0\u7684\u6280\u8853\u767c\u5c55\u8da8\u52e2\uff0c\u5354\u52a9\u5de5\u7a0b\u5e2b\u5728\u7cfb\u7d71\u8a2d\u8a08\u968e\u6bb5\u505a\u51fa\u6700\u5408\u9069\u7684\u8a18\u61b6\u9ad4\u9078\u64c7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4ec0\u9ebc\u662f\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff1f\u539f\u7406\u8207\u7279\u6027\u89e3\u6790<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u57fa\u672c\u7d50\u69cb\u8207\u904b\u4f5c\u539f\u7406<\/strong><\/h3>\n\n\n\n<p><strong>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff08Volatile Memory\uff09<\/strong> \u662f\u6307\u50c5\u5728\u96fb\u6e90\u4f9b\u61c9\u671f\u9593\u80fd\u5920\u4fdd\u5b58\u8cc7\u6599\uff0c\u4e00\u65e6\u96fb\u6e90\u4e2d\u65b7\uff0c\u8cc7\u6599\u5373\u6703\u6d88\u5931\u7684\u8a18\u61b6\u9ad4\u3002<br>\u6b64\u985e\u8a18\u61b6\u9ad4\u4e3b\u8981\u57fa\u65bc\u534a\u5c0e\u9ad4\u6280\u8853\uff0c\u5177\u5099<strong>\u9ad8\u901f\u8b80\u5beb<\/strong>\u7684\u7279\u6027\u3002<\/p>\n\n\n\n<p>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u591a\u5c6c\u65bc <strong>RAM\uff08Random Access Memory\uff09<\/strong> \u7684\u4e00\u7a2e\uff0c\u8207 CPU \u7dca\u5bc6\u5354\u4f5c\uff0c\u4f5c\u70ba\u7cfb\u7d71\u7684\u4e3b\u8981\u5de5\u4f5c\u8a18\u61b6\u9ad4\u4f7f\u7528\u3002<br>\u5728\u9700\u8981\u983b\u7e41\u5b58\u53d6\u8cc7\u6599\u7684\u904b\u7b97\u5834\u666f\u4e2d\uff0c\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u626e\u6f14\u4e0d\u53ef\u6216\u7f3a\u7684\u89d2\u8272\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4ee3\u8868\u6027\u7684\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7a2e\u985e\uff1aSRAM \u8207 DRAM<\/strong><\/h3>\n\n\n\n<p>\u5728\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u4e2d\uff0c\u6700\u5177\u4ee3\u8868\u6027\u7684\u70ba <strong>SRAM\uff08Static RAM\uff09<\/strong> \u8207 <strong>DRAM\uff08Dynamic RAM\uff09<\/strong>\u3002<br>\u7406\u89e3 <strong>DRAM\u8207SRAM \u7684\u5dee\u7570<\/strong>\uff0c\u662f\u8a18\u61b6\u9ad4\u9078\u578b\u7684\u57fa\u790e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SRAM<\/strong><strong><br><\/strong> \u63a1\u7528\u89f8\u767c\u5668\uff08Flip-Flop\uff09\u96fb\u8def\uff0c\u53ef\u5be6\u73fe\u9ad8\u901f\u4e14\u7a69\u5b9a\u7684\u8cc7\u6599\u5b58\u53d6\uff0c\u975e\u5e38\u9069\u5408\u7528\u65bc CPU Cache\u3002<br>\u4f46\u5176\u7f3a\u9ede\u662f <strong>\u6210\u672c\u9ad8\u3001\u6676\u7247\u9762\u7a4d\u5927\uff0c\u4e14\u529f\u8017\u76f8\u5c0d\u8f03\u9ad8<\/strong>\u3002<\/li>\n\n\n\n<li><strong>DRAM<\/strong><strong><br><\/strong> \u5229\u7528\u96fb\u5bb9\u5132\u5b58\u8cc7\u6599\uff0c\u80fd\u5920\u5be6\u73fe <strong>\u9ad8\u5bc6\u5ea6\u8207\u4f4e\u6210\u672c<\/strong>\uff0c\u56e0\u6b64\u5ee3\u6cdb\u7528\u4f5c\u4e3b\u8a18\u61b6\u9ad4\u3002<br>\u7136\u800c DRAM \u9700\u8981\u5b9a\u671f\u9032\u884c <strong>Refresh\uff08\u91cd\u65b0\u6574\u7406\uff09<\/strong>\uff0c\u4ee5\u907f\u514d\u8cc7\u6599\u6d41\u5931\u3002<br><\/li>\n<\/ul>\n\n\n\n<p>\u9019\u4e5f\u662f <strong>DRAM \u8207 SRAM \u5728\u7d50\u69cb\u8207\u7528\u9014\u4e0a\u7684\u6838\u5fc3\u5dee\u7570<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u512a\u9ede\u8207\u9650\u5236<\/strong><\/h3>\n\n\n\n<p>\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u6700\u5927\u7684\u512a\u9ede\uff0c\u5728\u65bc\u5176<strong>\u6975\u9ad8\u901f\u7684\u8cc7\u6599\u5b58\u53d6\u80fd\u529b<\/strong>\u3002<br>\u5728 CPU \u8207\u8a18\u61b6\u9ad4\u4e4b\u9593\u9700\u8981\u983b\u7e41\u4ea4\u63db\u8cc7\u6599\u7684\u61c9\u7528\u4e2d\uff0c\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u80fd\u986f\u8457\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u5176\u4e3b\u8981\u7f3a\u9ede\u662f <strong>\u65b7\u96fb\u5373\u5931\u53bb\u8cc7\u6599<\/strong>\uff0c\u56e0\u6b64\u4e0d\u9069\u5408\u7528\u65bc\u9577\u671f\u8cc7\u6599\u4fdd\u5b58\u3002<br>\u6b64\u5916\uff0c\u7279\u5225\u662f <strong>DRAM<\/strong>\uff0c\u70ba\u4e86\u7dad\u6301\u8cc7\u6599\u5167\u5bb9\uff0c\u5fc5\u9808\u6301\u7e8c\u9032\u884c Refresh \u52d5\u4f5c\uff0c\u9019\u4e5f\u6703\u5c0e\u81f4 <strong>\u529f\u8017\u589e\u52a0<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4ec0\u9ebc\u662f\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff1f\u61c9\u7528\u5834\u666f\u8207\u6280\u8853\u6f14\u9032<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u57fa\u672c\u539f\u7406<\/strong><\/h3>\n\n\n\n<p><strong>\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff08Non-Volatile Memory\uff09<\/strong> \u5373\u4f7f\u5728\u96fb\u6e90\u4e2d\u65b7\u5f8c\uff0c\u4ecd\u80fd\u4fdd\u6301\u8cc7\u6599\u5167\u5bb9\u3002<br>\u4ee3\u8868\u6027\u6280\u8853\u5305\u62ec <strong>Flash Memory\u3001FRAM\uff08FeRAM\uff0c\u9435\u96fb RAM\uff09\u8207 MRAM\uff08\u78c1\u963b RAM\uff09<\/strong>\u3002<\/p>\n\n\n\n<p>\u6b64\u985e\u8a18\u61b6\u9ad4\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc <strong>\u5132\u5b58\u88dd\u7f6e\u3001\u5d4c\u5165\u5f0f\u7cfb\u7d71\u3001\u5de5\u696d\u8a2d\u5099\u8207\u8eca\u7528\u96fb\u5b50<\/strong> \u7b49\u9818\u57df\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e3b\u8981\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u7a2e\u985e\uff08Flash\u30fbFRAM\u30fbMRAM\uff09<\/strong><\/h3>\n\n\n\n<p><strong>Flash Memory<\/strong><strong><br><\/strong> \u6700\u666e\u53ca\u7684\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff0c\u5e38\u898b\u65bc SSD\u3001USB \u8207\u5132\u5b58\u5361\u4e2d\u3002<\/p>\n\n\n\n<p><strong>FRAM\uff08FeRAM\uff09<\/strong><strong><br><\/strong> \u5177\u5099 <strong>\u4f4e\u529f\u8017\u3001\u9ad8\u901f\u5beb\u5165\u8207\u9ad8\u8010\u4e45\u6027<\/strong>\uff0c\u975e\u5e38\u9069\u5408\u5d4c\u5165\u5f0f\u8207\u5de5\u696d\u61c9\u7528\u3002<\/p>\n\n\n\n<p><strong>MRAM<\/strong><strong><br><\/strong> \u5229\u7528\u78c1\u6027\u72c0\u614b\u4fdd\u5b58\u8cc7\u6599\uff0c\u5be6\u73fe\u9ad8\u901f\u5b58\u53d6\u8207\u6975\u9ad8\u8010\u4e45\u6027\uff0c\u88ab\u8996\u70ba<strong>\u6b21\u4e16\u4ee3\u8a18\u61b6\u9ad4\u6280\u8853<\/strong>\u7684\u91cd\u8981\u5019\u9078\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u7684\u512a\u9ede\u8207\u6311\u6230<\/strong><\/h3>\n\n\n\n<p>\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u6700\u5927\u7684\u512a\u52e2\uff0c\u5728\u65bc <strong>\u65b7\u96fb\u5f8c\u4ecd\u80fd\u4fdd\u5b58\u8cc7\u6599<\/strong>\u3002<br>\u6b64\u5916\uff0c\u50cf <strong>FRAM \u8207 MRAM<\/strong> \u9019\u985e\u65b0\u578b\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff0c\u5177\u5099\u6975\u9ad8\u7684\u5beb\u5165\u8010\u4e45\u6027\uff0c\u9069\u5408\u983b\u7e41\u66f4\u65b0\u8cc7\u6599\u7684\u61c9\u7528\u3002<\/p>\n\n\n\n<p>\u4f46\u76f8\u8f03\u65bc\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\uff0c\u5176\u7f3a\u9ede\u5305\u62ec <strong>\u5beb\u5165\u901f\u5ea6\u8f03\u6162\u3001\u6210\u672c\u8f03\u9ad8<\/strong>\uff0c\u56e0\u6b64\u5728\u7cfb\u7d71\u8a2d\u8a08\u6642\uff0c\u9700\u6839\u64da\u7528\u9014\u9032\u884c\u53d6\u6368\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8a2d\u8a08\u5de5\u7a0b\u5e2b\u5fc5\u9808\u638c\u63e1\u7684\u8a18\u61b6\u9ad4\u9078\u578b\u91cd\u9ede<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5b58\u53d6\u901f\u5ea6 vs. \u8cc7\u6599\u4fdd\u5b58\u6027\uff1a\u4f9d\u61c9\u7528\u9700\u6c42\u9032\u884c\u9078\u64c7<\/strong><\/h3>\n\n\n\n<p>\u5728\u8a18\u61b6\u9ad4\u9078\u578b\u6642\uff0c<strong>\u5b58\u53d6\u901f\u5ea6\u8207\u8cc7\u6599\u4fdd\u5b58\u6027\u4e4b\u9593\u7684\u5e73\u8861<\/strong>\u662f\u6700\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u4e4b\u4e00\u3002<br>\u4f8b\u5982\uff0c\u5728\u5373\u6642\u6027\u8981\u6c42\u6975\u9ad8\u7684\u7cfb\u7d71\u4e2d\uff08\u5982\u5373\u6642\u63a7\u5236\u3001\u8a0a\u865f\u8655\u7406\uff09\uff0c<strong>\u9ad8\u901f\u7684\u63ee\u767c\u6027\u8a18\u61b6\u9ad4<\/strong>\u2500\u2500\u7279\u5225\u662f <strong>SRAM \u6216 DRAM<\/strong>\u2500\u2500\u901a\u5e38\u662f\u6700\u5408\u9069\u7684\u9078\u64c7\u3002<\/p>\n\n\n\n<p>\u76f8\u5c0d\u5730\uff0c\u82e5\u7cfb\u7d71\u9700\u8981\u5728\u65b7\u96fb\u5f8c\u4ecd\u80fd\u9577\u671f\u4fdd\u5b58\u8cc7\u6599\uff0c\u5247 <strong>\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4<\/strong> \u6703\u66f4\u5177\u512a\u52e2\u3002<br>\u56e0\u6b64\uff0c\u6e05\u695a\u7406\u89e3 <strong>DRAM \u8207 SRAM \u7684\u5dee\u7570<\/strong>\uff0c\u4ee5\u53ca\u63ee\u767c\u6027\u8207\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4\u5728\u300c\u901f\u5ea6\u8207\u4fdd\u5b58\u6027\u300d\u4e0a\u7684\u53d6\u6368\uff0c\u662f\u8a2d\u8a08\u5de5\u7a0b\u5e2b\u9032\u884c\u67b6\u69cb\u8a2d\u8a08\u6642\u7684\u57fa\u672c\u529f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u529f\u8017\u3001\u6210\u672c\u8207\u8010\u4e45\u6027\u7684\u6bd4\u8f03<\/strong><\/h3>\n\n\n\n<p><strong>\u529f\u8017<\/strong> \u662f\u884c\u52d5\u88dd\u7f6e\u8207\u96fb\u6c60\u4f9b\u96fb\u7684\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7279\u5225\u9700\u8981\u91cd\u8996\u7684\u6307\u6a19\u3002<br>\u4f8b\u5982\uff0c<strong>DRAM<\/strong> \u96d6\u7136\u5177\u5099\u826f\u597d\u7684\u5b58\u53d6\u6548\u80fd\uff0c\u4f46\u7531\u65bc\u9700\u8981\u5b9a\u671f Refresh\uff0c\u5176\u529f\u8017\u76f8\u5c0d\u8f03\u9ad8\u3002<\/p>\n\n\n\n<p>\u76f8\u8f03\u4e4b\u4e0b\uff0c<strong>FRAM\uff08FeRAM\uff09<\/strong> \u5177\u5099 <strong>\u4f4e\u529f\u8017\u8207\u6975\u9ad8\u5beb\u5165\u8010\u4e45\u6027<\/strong>\uff0c\u975e\u5e38\u9069\u5408\u9700\u8981\u983b\u7e41\u5beb\u5165\u8cc7\u6599\u7684\u5d4c\u5165\u5f0f\u61c9\u7528\u3002<br>\u5728\u6210\u672c\u65b9\u9762\uff0c<strong>SRAM \u7684\u55ae\u4f4d\u6210\u672c\u6700\u9ad8<\/strong>\uff0c\u800c <strong>Flash Memory<\/strong> \u5247\u56e0\u9069\u5408\u5927\u898f\u6a21\u91cf\u7522\uff0c\u5728\u50f9\u683c\u4e0a\u5177\u6709\u512a\u52e2\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u5be6\u969b\u8a2d\u8a08\u4e2d\uff0c\u5de5\u7a0b\u5e2b\u9700\u8981\u5728 <strong>\u6548\u80fd\u3001\u529f\u8017\u3001\u6210\u672c\u8207\u8010\u4e45\u6027<\/strong> \u4e4b\u9593\uff0c\u4f9d\u64da\u7522\u54c1\u5b9a\u4f4d\u505a\u51fa\u6700\u5408\u7406\u7684\u53d6\u6368\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6700\u65b0\u8a18\u61b6\u9ad4\u6280\u8853\u8da8\u52e2\u8207\u672a\u4f86\u5c55\u671b<\/strong><\/h3>\n\n\n\n<p>\u8fd1\u5e74\u4f86\uff0c\u8a18\u61b6\u9ad4\u6280\u8853\u6301\u7e8c\u5feb\u901f\u6f14\u9032\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3D NAND Flash<\/strong> \u7684\u9ad8\u5bc6\u5ea6\u5316<\/li>\n\n\n\n<li><strong>Spin-Transfer Torque\uff08STT\uff09MRAM<\/strong> \u7684\u5be6\u7528\u5316<\/li>\n\n\n\n<li>\u4f5c\u70ba\u6b21\u4e16\u4ee3 FeRAM \u6280\u8853\u7684 <strong>HZO FeRAM\uff08Hafnium-Zirconium Oxide\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u9019\u4e9b\u5275\u65b0\u6280\u8853\u6b63\u63a8\u52d5 <strong>\u9ad8\u5bc6\u5ea6\u3001\u9ad8\u901f\u7684\u975e\u63ee\u767c\u6027\u8a18\u61b6\u9ad4<\/strong> \u9010\u6b65\u8d70\u5411\u5be6\u7528\u968e\u6bb5\u3002<br>\u7279\u5225\u662f\u5728 <strong>AI \u8207 IoT<\/strong> \u61c9\u7528\u9818\u57df\u4e2d\uff0c\u5e02\u5834\u5c0d\u65bc 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