{"id":6099,"date":"2026-06-02T09:00:00","date_gmt":"2026-06-02T00:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/zh-tw\/?post_type=column&#038;p=6099"},"modified":"2026-06-18T13:52:20","modified_gmt":"2026-06-18T04:52:20","slug":"feram-vs-mram-basics","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/zh-tw\/tech-column\/feram-vs-mram-basics\/","title":{"rendered":"FRAM\u8207MRAM\u6709\u4ec0\u9ebc\u5dee\u7570\uff1f\u539f\u7406\u3001\u7279\u6027\u8207\u67b6\u69cb\u9078\u578b\u5168\u89e3\u6790"},"content":{"rendered":"\n<p>\u672c\u6587\u5c07\u8aaa\u660eFRAM\uff08FeRAM\uff0c\u9435\u96fb\u8a18\u61b6\u9ad4\uff09\u8207MRAM\u7684\u5dee\u7570\uff0c\u5f9e\u8a18\u61b6\u55ae\u5143\u7d50\u69cb\u3001\u52d5\u4f5c\u539f\u7406\u3001\u5beb\u5165\u80fd\u91cf\u3001\u8010\u4e45\u6027\u3001Data Retention\uff08\u8cc7\u6599\u7559\u5b58\u80fd\u529b\uff09\u3001\u901f\u5ea6\u3001\u6eab\u5ea6\u7279\u6027\u7b49\u89d2\u5ea6\u9032\u884c\u5177\u9ad4\u6bd4\u8f03\uff0c\u4e26\u6574\u7406\u4e0d\u540c\u7528\u9014\u4e0b\u7684\u6700\u4f73\u9078\u578b\u91cd\u9ede\u3002\u5c0d\u65bc\u8a2d\u8a08\u5de5\u7a0b\u5e2b\u800c\u8a00\uff0c\u7406\u89e3MRAM FRAM\u7684\u5bb9\u91cf\u3001\u529f\u8017\u8207\u5beb\u5165\u983b\u7387\u5dee\u7570\uff0c\u6709\u52a9\u65bc\u5728\u7522\u54c1\u8a2d\u8a08\u4e2d\u505a\u51fa\u66f4\u5be6\u52d9\u7684\u5224\u65b7\u3002<\/p>\n\n\n\n<h2 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Retention\uff08\u8cc7\u6599\u7559\u5b58\u80fd\u529b\uff09\u6a5f\u5236\u7684\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u5728\u8010\u4e45\u6027\u65b9\u9762\uff0cFRAM\u4e0d\u6703\u4f34\u96a8\u6c27\u5316\u819c\u96fb\u8377\u6ce8\u5165\u52a3\u5316\uff0c\u56e0\u6b64\u5177\u6709\u9069\u5408\u983b\u7e41\u5beb\u5165\u7684\u7279\u6027\u3002\u4e0d\u904e\uff0c\u82e5\u9435\u96fb\u9ad4\u56e0\u75b2\u52de\u6216imprint\u5c0e\u81f4\u6975\u5316\u91cf\u4e0b\u964d\uff0c\u8b80\u53d6margin\u4e5f\u6703\u96a8\u4e4b\u964d\u4f4e\u3002<\/p>\n\n\n\n<p>MRAM\u5247\u4e3b\u8981\u53d7\u5230\u7a7f\u96a7\u969c\u58c1\u8207\u914d\u7dda\u71b1\u61c9\u529b\u5f71\u97ff\uff0c\u4e0d\u540c\u5beb\u5165\u65b9\u5f0f\u4e5f\u6703\u9020\u6210\u58fd\u547d\u5206\u5e03\u5dee\u7570\u3002\u8cc7\u6599\u4fdd\u6301\u80fd\u529b\u901a\u5e38\u6703\u900f\u904e\u71b1\u7a69\u5b9a\u6027\u4fc2\u6578\u9032\u884c\u4f30\u7b97\uff0c\u5728\u9ad8\u6eab\u904b\u4f5c\u74b0\u5883\u4e0b\uff0c\u5fc5\u9808\u540c\u6642\u8a55\u4f30\u8cc7\u6599\u4fdd\u6301\u6642\u9593\u8207\u5beb\u5165\u96fb\u6d41\u4e4b\u9593\u7684\u5e73\u8861\u3002<\/p>\n\n\n\n<p>\u5be6\u969b\u7522\u54c1\u4e2d\uff0c\u5beb\u5165\u983b\u7387\u8207\u6eab\u5ea6profile\u6703\u76f4\u63a5\u5f71\u97ff\u58fd\u547d\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u4ee3\u8868\u6027\u4f7f\u7528\u60c5\u5883\u8a2d\u5b9a\u52a0\u901f\u8a66\u9a57\u689d\u4ef6\u3002FRAM\u5177\u5099\u4e0d\u9700buffer\u5373\u53ef\u7d30\u7c92\u5ea6\u5beb\u5165\u7684\u512a\u9ede\uff1bMRAM\u5247\u9700\u8981\u900f\u904ecell\u5c3a\u5bf8\u8207\u6750\u6599\u6700\u4f73\u5316\uff0c\u78ba\u4fdd\u8db3\u5920\u7684Data Retention\uff08\u8cc7\u6599\u7559\u5b58\u80fd\u529b\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u901f\u5ea6\u3001\u529f\u8017\u8207\u6eab\u5ea6\u7279\u6027\u7684\u8a2d\u8a08\u5dee\u7570<\/h3>\n\n\n\n<p>\u5728\u901f\u5ea6\u65b9\u9762\uff0cFRAM\u6709\u8a31\u591a\u7522\u54c1\u63a1\u7528SRAM\u76f8\u5bb9\u7684\u8a18\u61b6\u9ad4\u4ecb\u9762\uff0c\u53ef\u7528byte\u55ae\u4f4d\u9032\u884c\u4f4e\u5ef6\u9072\u66f4\u65b0\u3002\u4e0d\u904e\uff0c\u82e5\u8b80\u53d6\u5f8c\u9700\u8981\u518d\u5beb\u5165\uff0c\u5728\u9023\u7e8c\u5b58\u53d6\u6642\u9700\u8981\u6ce8\u610f\u5be6\u969b\u983b\u5bec\u53ef\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>MRAM\u5247\u56e0\u70ba\u63a1\u7528\u975e\u7834\u58de\u6027\u8b80\u53d6\uff0c\u9069\u5408\u96a8\u6a5f\u5b58\u53d6\uff0c\u4e5f\u9069\u5408\u61c9\u7528\u65bc\u5feb\u53d6\u7528\u9014\u3002\u4e0d\u904e\uff0c\u5beb\u5165\u96fb\u6d41\u9020\u6210\u7684\u77ac\u9593\u767c\u71b1\u8207\u96fb\u6e90\u58d3\u964d\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6642\u5e8f\u8a2d\u8a08\u3002<\/p>\n\n\n\n<p>\u6eab\u5ea6\u7279\u6027\u65b9\u9762\uff0cFRAM\u9700\u8981\u8a55\u4f30\u6975\u5316\u7a69\u5b9a\u6027\uff0cMRAM\u5247\u9700\u8981\u8a55\u4f30\u78c1\u5316\u72c0\u614b\u7684\u71b1\u7a69\u5b9a\u6027\u3002\u8a2d\u8a08\u6642\u61c9\u5148\u660e\u78ba\u5b9a\u7fa9\u6700\u9ad8\u4f7f\u7528\u6eab\u5ea6\u3001\u8cc7\u6599\u4fdd\u6301\u6642\u9593\u8207\u53ef\u63a5\u53d7\u5ef6\u9072\uff0c\u5fc5\u8981\u6642\u53ef\u900f\u904e\u5beb\u5165\u5206\u6563\u6216\u5e73\u5747\u62b9\u5beb\u6280\u8853\uff08Wear Leveling\uff09\u4f86\u5e73\u6e96\u5316\u8ca0\u8f09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9ad8\u983b\u7387\u6539\u5beb\u7528\u9014\u8207\u9ad8\u901f\u975e\u63ee\u767c\u6027\u5feb\u53d6\u7528\u9014\u7684\u9069\u5408\u6027<\/h2>\n\n\n\n<p>\u7528\u9014\u9069\u5408\u6027\u4e0d\u53ea\u53d6\u6c7a\u65bc\u6027\u80fd\uff0c\u4e5f\u9700\u8981\u540c\u6642\u8003\u91cf\u5beb\u5165\u983b\u7387\u3001\u65b7\u96fb\u6642\u7684\u884c\u70ba\u3001\u6eab\u5ea6\u7bc4\u570d\u8207\u6210\u672c\u3002FRAM\u5373\u4f7f\u5bb9\u91cf\u8f03\u5c0f\uff0c\u4e5f\u5177\u5099\u9ad8\u8010\u4e45\u6027\u8207\u4f4e\u529f\u8017\u512a\u52e2\uff0c\u9069\u5408\u983b\u7e41\u66f4\u65b0\u7684\u8a2d\u5b9a\u503c\u8207log\u4fdd\u5b58\u3002MRAM\u5247\u53ef\u5229\u7528\u9ad8\u901f\u96a8\u6a5f\u5b58\u53d6\u8207\u975e\u7834\u58de\u6027\u8b80\u53d6\u7279\u6027\uff0c\u5728\u5d4c\u5165\u5f0f\u8a18\u61b6\u9ad4\u8207\u5feb\u53d6\u7528\u9014\u4e0a\u767c\u63ee\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0cMRAM FRAM\u7684\u9078\u578b\u61c9\u8a72\u5f9e\u7cfb\u7d71\u9650\u5236\u53cd\u63a8\uff0c\u800c\u4e0d\u662f\u53ea\u6bd4\u8f03\u55ae\u4e00\u898f\u683c\u6578\u5b57\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8d85\u9ad8\u8010\u4e45log\u7528\u9014\u4e2d\u7684FRAM\u512a\u52e2<\/h3>\n\n\n\n<p>FRAM\u7684\u5beb\u5165\u80fd\u91cf\u5c0f\uff0c\u4e14\u53ef\u5728\u4e0d\u904e\u5ea6\u64d4\u5fc3\u8017\u640d\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u7d30\u7c92\u5ea6\u66f4\u65b0\uff0c\u56e0\u6b64\u9069\u5408\u96fb\u529b\u9650\u5236\u56b4\u683c\u7684\u8cc7\u6599\u8a18\u9304\u7528\u9014\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728metering\u6216\u7522\u696d\u7528\u611f\u6e2c\u5668\u4e2d\uff0cFRAM\u53ef\u4ee5\u5728\u6bcf\u6b21\u4e8b\u4ef6\u767c\u751f\u6642\uff0c\u7acb\u5373\u8a18\u9304timestamp\u6216\u7d2f\u7a4d\u503c\uff0c\u4e0d\u9700\u8981\u50cf\u5feb\u9583\u8a18\u61b6\u9ad4\u4e00\u6a23\u7b49\u5f85page erase\u3002\u5373\u4f7f\u767c\u751f\u65b7\u96fb\uff0c\u8cc7\u6599\u5167\u5bb9\u4e5f\u80fd\u4fdd\u7559\uff0c\u56e0\u6b64\u53ef\u7e2e\u5c0fbackup capacitor\u7684\u5bb9\u91cf\uff0c\u4e26\u7c21\u5316\u555f\u52d5\u6642\u7684\u5fa9\u539f\u8655\u7406\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5728\u5beb\u5165\u6b21\u6578\u8f03\u591a\u7684\u63a7\u5236\u53c3\u6578\u4fdd\u5b58\uff0c\u6216\u7d93\u5e38\u767c\u751f\u77ac\u65b7\u7684\u8a2d\u5099\u72c0\u614b\u7ba1\u7406\u4e2d\uff0cFRAM\u4e5f\u975e\u5e38\u6709\u6548\u3002\u4ecb\u9762\u65b9\u9762\uff0cFRAM\u591a\u63a1\u7528SPI\u7522\u54c1\uff0c\u5bb9\u6613\u6574\u5408\u5230\u65e2\u6709MCU\u7cfb\u7d71\u4e2d\uff0c\u9019\u4e5f\u662f\u5176\u5728\u5d4c\u5165\u5f0f\u61c9\u7528\u4e2d\u53d7\u5230\u91cd\u8996\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MRAM\u5728\u9ad8\u901f\u96a8\u6a5f\u5b58\u53d6\u7528\u9014\u4e2d\u7684\u512a\u52e2<\/h3>\n\n\n\n<p>MRAM\u5177\u5099\u975e\u7834\u58de\u6027\u8b80\u53d6\u7279\u6027\uff0c\u9069\u5408\u96a8\u6a5f\u5b58\u53d6\uff0c\u800c\u4e14\u5728\u96fb\u6e90\u95dc\u9589\u5f8c\u4ecd\u80fd\u4fdd\u7559\u8cc7\u6599\uff0c\u56e0\u6b64\u5728\u9700\u8981\u5373\u6642\u6062\u5fa9\u7684\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\u5177\u6709\u512a\u52e2\u3002\u4f5c\u70baSRAM\u76f8\u5bb9\u7684\u66ff\u4ee3\u5019\u9078\u65b9\u6848\uff0cMRAM\u53ef\u8b93\u5feb\u53d6\u6216\u5de5\u4f5c\u5340\u57df\u5177\u5099\u975e\u63ee\u767c\u6027\uff0c\u4e26\u7e2e\u77ed\u5f9esleep\u6a21\u5f0f\u6062\u5fa9\u7684\u6642\u9593\u3002<\/p>\n\n\n\n<p>\u7279\u5225\u662fSTT\u65b9\u5f0f\u7684MRAM\uff0c\u8207CMOS\u88fd\u7a0b\u7684\u6574\u5408\u6b63\u5728\u63a8\u9032\uff0c\u56e0\u6b64\u4f5c\u70ba\u5fae\u63a7\u5236\u5668\u6216ASIC\u7684on-chip memory\uff0c\u63a1\u7528\u6848\u4f8b\u4e5f\u9010\u6f38\u589e\u52a0\u3002\u4e0d\u904e\uff0cMRAM\u7684\u4f7f\u7528\u9700\u8981\u4ee5\u5beb\u5165\u96fb\u6d41\u8207\u8cc7\u6599\u4fdd\u6301\u9700\u6c42\u4e4b\u9593\u7684\u5e73\u8861\u70ba\u524d\u63d0\uff0c\u91dd\u5c0d\u7279\u5b9a\u7528\u9014\u9032\u884c\u5c0e\u5165\u6703\u66f4\u5be6\u969b\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5728\u5927\u5bb9\u91cf\u5316\u6216\u4f4ebit\u6210\u672c\u65b9\u9762\uff0c\u5176\u4ed6\u8a18\u61b6\u9ad4\u6280\u8853\u6709\u6642\u66f4\u5177\u512a\u52e2\u3002\u56e0\u6b64\uff0cMRAM\u5728\u9700\u6c42\u5bb9\u91cf\u8f03\u5c0f\u3001\u4e14\u901f\u5ea6\u662f\u4e3b\u8981\u9650\u5236\u689d\u4ef6\u7684\u61c9\u7528\u4e2d\uff0c\u6700\u80fd\u767c\u63ee\u6548\u679c\u3002\u8edf\u9ad4\u8a2d\u8a08\u4e0a\uff0c\u4e5f\u5efa\u8b70\u907f\u514d\u5beb\u5165\u96c6\u4e2d\u65bc\u7279\u5b9a\u5340\u57df\uff0c\u4ee5\u964d\u4f4e\u7cfb\u7d71\u8ca0\u8377\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f9e\u5bb9\u91cf\u3001\u6210\u672c\u8207\u7cfb\u7d71\u67b6\u69cb\u4f86\u770b\u7684\u9078\u578b\u5224\u65b7\u8ef8<\/h3>\n\n\n\n<p>\u5728\u9078\u578b\u6642\uff0c\u9996\u5148\u61c9\u5f9e\u6240\u9700\u5bb9\u91cf\u8207\u5beb\u5165\u983b\u7387\u7e2e\u5c0f\u5019\u9078\u7bc4\u570d\uff0c\u63a5\u8457\u78ba\u8a8d\u5cf0\u503c\u96fb\u6d41\u8207\u5f85\u6a5f\u529f\u8017\u662f\u5426\u80fd\u7b26\u5408\u96fb\u6e90\u8a2d\u8a08\u689d\u4ef6\u3002FRAM\u5373\u4f7f\u5728\u983b\u7e41\u66f4\u65b0\u7684\u60c5\u5883\u4e0b\uff0c\u4e5f\u8f03\u5bb9\u6613\u9032\u884c\u58fd\u547d\u8a2d\u8a08\uff0c\u4f46\u9700\u8981\u8a55\u4f30\u6bcf\u5bb9\u91cf\u6210\u672c\u8207\u4f9b\u8ca8\u6027\u3002<\/p>\n\n\n\n<p>MRAM\u96d6\u7136\u5177\u5099\u9ad8\u901f\u512a\u52e2\uff0c\u4f46\u5beb\u5165\u96fb\u6d41\u53ef\u80fd\u9020\u6210\u96fb\u6e90\u58d3\u964d\u6216IR loss\uff0c\u56e0\u6b64\u5fc5\u9808\u5c07\u540c\u6642\u5b58\u53d6\u689d\u4ef6\u660e\u78ba\u5beb\u5165\u898f\u683c\u3002\u5305\u542b\u6eab\u5ea6\u7bc4\u570d\u3001\u662f\u5426\u9700\u8981ECC\u3001\u5c01\u88dd\u8207\u5be6\u88dd\u5f62\u5f0f\u5728\u5167\uff0c\u90fd\u61c9\u5f9e\u6574\u9ad4\u7cfb\u7d71\u5b89\u5168\u88d5\u5ea6\u7684\u89d2\u5ea6\u9032\u884c\u6bd4\u8f03\u3002<\/p>\n\n\n\n<p>\u5728\u91cf\u7522\u968e\u6bb5\uff0c\u4f9b\u61c9\u6301\u7e8c\u6027\u8207\u5be6\u6a5f\u8a55\u4f30\u6703\u76f4\u63a5\u5f71\u97ff\u6700\u7d42\u6c7a\u7b56\u3002\u5beb\u5165\u6ce2\u5f62\u3001\u96fb\u6e90ripple\u3001\u8b80\u53d6margin\u7b49\u9805\u76ee\uff0c\u61c9\u5728\u76f8\u540c\u689d\u4ef6\u4e0b\u6e2c\u91cf\uff0c\u4e26\u4ee5\u6578\u503c\u65b9\u5f0f\u4fdd\u7559\u5c0d\u5047\u8a2d\u8ca0\u8f09\u7684\u8a2d\u8a08\u9918\u88d5\u3002<\/p>\n\n\n\n<h2 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