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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1415292/sn74ahc1g00-q1-rthja-conditions-considered-for-the-mentioned-values
工具与软件：
您好！
我需要知道测量"SN74AHC1G00QDCKRQ1"的 Rthja 的考虑条件
Harish、您好！
数据表热指标假设采用 JEDEC 标准2s2p (高 k) PCB、这是一种 FR4四层电路板。 顶层和底层的厚度为2oz 铜、内部平面的厚度为1oz 铜。 布线布局由 JESD51-7定义、并取决于封装尺寸。
此致、
Owen
