Page 50 - Demo
P. 50


                                    www.eettaiwan.com | 2025%u5e749-10%u670848 DESIGN CORNER%u8def%u4fdd%u8b77%u6a5f%u5236%u548c%u6676%u7247%u4e0a%u932f%u8aa4%u66f4%u6b63%u78bc(ECC%uff0c%u57162)%u3002LPDDR6%u9084%u53ef%u652f%u63f4%u547d%u4ee4/%u4f4d%u5740(CA)%u540c%u4f4d%u3001%u932f%u8aa4%u6e05%u9664%u53ca%u8a18%u61b6%u9ad4%u5167%u5efa%u81ea%u6aa2(MBIST)%uff0c%u4ee5%u589e%u5f37%u932f%u8aa4%u6aa2%u6e2c%u80fd%u529b%u548c%u7cfb%u7d71%u53ef%u9760%u6027%u3002Nagashima%u8868%u793a%uff0c%u5728%u8a2d%u8a08%u8a18%u61b6%u9ad4%u89e3%u6c7a%u65b9%u6848%u6642%uff0c%u5b89%u5168%u5df2%u4e0d%u518d%u662f%u4e8b%u5f8c%u8003%u616e%u3002Row Hammer%u5a01%u8105%u4ecd%u662f%u4fdd%u8b77DRAM%u7684%u4e3b%u8981%u9a45%u52d5%u529b%u3002%u4ed6%u4e26%u6307%u51fa%uff0c%u8af8%u5982%u6bcf%u884c%u555f%u52d5%u8a08%u6578%u3001%u547d%u4ee4/%u5730%u5740%u540c%u4f4d%u548c%u6676%u7247%u4e0aECC%u7b49%u5148%u9032%u529f%u80fd%uff0c%u5171%u540c%u70ba%u8cc7%u6599%u5b8c%u6574%u6027%u63d0%u4f9b%u4e86%u6709%u529b%u4fdd%u969c%uff0c%u6709%u52a9%u65bc%u9632%u7bc4Row Hammer%u7b49%u653b%u64ca%u3002LPDDR6%u9084%u652f%u63f4%u589e%u5f37%u7684%u4e2d%u7e7c%u8cc7%u6599%u7ba1%u7406%uff0c%u4f7f%u7cfb%u7d71%u80fd%u5920%u5229%u7528%u984d%u5916%u8cc7%u6599%u9032%u884c%u932f%u8aa4%u6aa2%u6e2c%u3001%u7cfe%u6b63%u548c%u6062%u5fa9%uff0c%u5f9e%u800c%u9032%u4e00%u6b65%u63d0%u5347%u7cfb%u7d71%u53ef%u9760%u6027%u3002Chung%u88dc%u5145%uff0c%u5be6%u73fePRAC%u548c%u64f4%u5c55%u4e2d%u7e7c%u8cc7%u6599%u652f%u6301%u6703%u5e36%u4f86%u4e00%u5b9a%u7684%u9762%u7a4d%u548c%u529f%u8017%u958b%u92b7%uff0c%u4f46%u9019%u7a2e%u5f71%u97ff%u975e%u5e38%u5c0f%uff0c%u4e0d%u6703%u5f71%u97ff%u6a19%u6e96%u7cfb%u7d71%u7684%u6548%u80fd%u6216%u983b%u5bec%u3002%u6b64%u5916%uff0cLPDDR6%u652f%u63f4%u589e%u5f37%u5f0f%u52a0%u5bc6 %u6a5f %u5236%uff0c%u53ef %u9632 %u6b62 %u653b %u64ca %u8005 %u89e3 %u5bc6 %u539f %u59cbDR AM%u8cc7%u6599%uff0c%u52a0%u5bc6%u548c%u89e3%u5bc6%u64cd%u4f5c%u7531%u4e3b%u6a5f%u7aef%u7ba1%u7406%u3002%u5118%u7ba1AI%u5c0d%u8a18%u61b6%u9ad4%u63d0%u51fa%u4e86%u524d%u6240%u672a%u6709%u7684%u9700%u6c42%uff0c%u4f46Chung%u8868%u793a%uff0cLPDDR6%u6a19%u6e96%u7684%u66f4%u65b0%u4ecd%u5c6c%u65bc%u6f38%u9032%u5f0f%u6f14%u9032%uff0c%u800c%u975e%u9769%u547d%u6027%u8b8a%u9769%u3002%u300c%u771f%u6b63%u7684%u9769%u547d%u6027%u8b8a%u5316%u901a%u5e38%u610f%u5473%u8457%u9700%u8981%u53e6%u8d77%u7210%u7076%uff0c%u5236%u5b9a%u4e00%u500b%u5168%u65b0%u7684%u6a19%u6e96%u2014%u2014%u5c31%u50cf%u7576%u5e74%u50ac%u751f%u51faLPDDR%u53caGDDR%u90a3%u6a23%u3002%u5927%u5e45%u66f4%u65b0%u73fe%u6709%u6a19%u6e96%u6703%u7834%u58de%u5411%u5f8c%u76f8%u5bb9%u6027%uff0c%u4e26%u8981%u6c42%u6574%u500b%u7522%u696d%u9032%u884c%u5927%u898f%u6a21%u91cd%u69cb%u3002%u300d%u4ed6%u6307%u51fa%uff0c%u300cLPDDR06%u7684%u8a2d%u8a08%u7406%u5ff5%uff0c%u5c31%u662f%u76e1%u53ef%u80fd%u4fdd%u6301%u5176%u6f14%u9032%u6027%u3002%u300dJEDEC%u65bc2021%u5e74%u5c0dLPDDR5%u6a19%u6e96%u9032%u884c%u4e86%u66f4%u65b0%uff0c%u5c07%u901f%u5ea6%u63d0%u5347%u4e8633%%uff0c%u9054%u52305,833Mbps%uff0c%u6b64%u6b21%u66f4%u65b0%u91cd%u9ede%u5728%u65bc%u63d0%u5347%u6548%u80fd%u3001%u529f%u8017%u548c%u9748%u6d3b%u6027%u3002%u7b2c%u4e00%u4ee3%u7248%u672cLPDDR5%u6a19%u6e96%u65bc2019%u5e74%u4e0a%u534a%u5e74%u767c%u4f48%uff0c%u5176%u8f38%u5165/%u8f38%u51fa(I/O)%u901f%u7387%u70ba6,400MT/s%uff0c%u6bd42014%u5e74%u767c%u4f48%u7684%u7b2c%u4e00%u4ee3%u7248%u672cLPDDR4 (3,200MT/s)%u9ad8%u51fa50%%u3002%u57162%uff1aLPDDR6 SDRAM%u5b50%u901a%u9053IO%u6a21%u7d44(%u00d712 DQ)%u5305%u542b%u7e3d%u517116%u500b%u4e2d%u7e7c%u8cc7%u6599%u5bc4%u5b58%u5668(MDR0%u81f3MDR15)%u3002%u6bcf%u500b%u8a18%u61b6%u9ad4%u5206%u914d%u4e00%u500b%u5143%u5bc4%u5b58%u5668%uff0c%u7528%u65bc%u4fdd%u7559%u5217%u4f4d%u57400x3C%u30010x3D%u30010x3E%u30010x3F%u4f5c%u70ba%u4e2d%u7e7c%u8cc7%u6599%u5340%u57df%u3002%u6bcf%u500b32%u4f4d%u5143%u7d44%u7684%u5143%u5bc4%u5b58%u5668%u53ef%u5132%u5b58%u4f86%u81ea16%u500b%u5217%u4f4d%u5740(%u9664%u300c0x3F%u300d%u5916)%u768416%u7d442%u4f4d%u5143%u7d44%u4e2d%u7e7c%u8cc7%u6599%u3002%u0009 (%u4f86%u6e90%uff1aJEDEC)%u63a1%u7528FPGA%u67b6%u69cb%u958b%u767cAI/ML%u5f71%u50cf%u61c9%u7528%uff1a%u5716%u7247%u64f7%u53d6%u8207%u8655%u7406%u672c%u6587%u8a0e%u8ad6%u958b%u767c%u677f%u8207%u5916%u90e8%u5143%u4ef6%u548c%u5468%u908a(%u5982%u651d%u5f71%u6a5f)%u7684%u9023%u63a5%uff0c%u4ee5%u53ca%u5982%u4f55%u5584%u7528FPGA%u6d88%u9664%u5f71%u50cf%u8655%u7406%u6642%u7684%u74f6%u9838%u3002%u5f9e%u7f8e%u5149%u8a08%u756bDDR4%u505c%u7522%u770b%u5132%u5b58%u7522%u696d%u8b8a%u5c40%u8fd1%u671f%uff0c%u7f8e%u5149%u81f4%u4fe1%u5ba2%u6236%uff0c%u8a08%u756b%u5728%u672a%u4f862~3%u5b63%u9010%u6b65%u505c%u6b62DDR4%u51fa%u8ca8%u3002%u7f8e%u5149%u79d1%u6280%u57f7%u884c%u526f%u7e3d%u88c1%u66a8%u5546%u52d9%u9577Sumit Sadana%u5c0d%u6b64%u505a%u51fa%u4e86%u6b63%u5f0f%u7684%u56de%u61c9%uff0c%u4e26%u63a2%u8a0e%u7f8e%u5149%u6b64%u8209%u80cc%u5f8c%u7684%u6230%u7565%u8003%u91cf%uff0c%u4ee5%u53ca%u6574%u500b%u5132%u5b58%u7522%u696d%u5728AI%u6642%u4ee3%u9762%u81e8%u7684%u8b8a%u9769%u3002%u7a81%u7834%u8a18%u61b6%u9ad4%u74f6%u9838%uff1a%u4eba%u5de5%u667a%u6167%u6027%u80fd%u7684%u4e0b%u4e00%u500b%u524d%u77bb%u50b3%u7d71%u7684%u8a18%u61b6%u9ad4%u67b6%u69cb%u96e3%u4ee5%u8ddf%u4e0a%u65e5%u76ca%u6210%u9577%u7684AI%u5de5%u4f5c%u8ca0%u8f09%uff0c%u56e0%u6b64%u5fc5%u9808%u91cd%u65b0%u601d%u8003%u4e0b%u4e00%u4ee3AI%u7cfb%u7d71%u7684%u8a18%u61b6%u9ad4%u6280%u8853%u2026
                                
   44   45   46   47   48   49   50   51   52