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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/697535/sn74ahc245-why-the-pins-of-sn74ahc245dwr-are-black-not-silver
您好，
我买了一些 SN74AHC245DWR、发现它们的引脚都是黑色的。
我想知道引脚是黑色还是 银色、如果是银色、为什么引脚是黑色？ 氧化性是？
期待您的回复、谢谢。
