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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/931976/sn74lv244at-thermal-pad-where-to-connect
在哪里连接 VQFN 封装中的引脚21。 数据表中没有提到这一点。 它是否接地？
你好，Vishal，
请参阅以下常见问题解答、其中解答了您的问题：
https://e2e.ti.com/support/logic/f/151/t/723481?tisearch=e2e-sitesearch&keymatch=faq%25252525252525253Atrue
最棒的 Michael
