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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1374671/sn74hc32-sn74hc32n-consult-the-pin-foot-yellow-problem
工具与软件：
你(们)好
我想问为什么针脚是黄色的,它看起来很清楚氧化,生产日期代码是2334 请帮助确认
黄色来自金铅涂层。 对于粗糙表面、这是有意为之；请参阅 [常见问题解答]为什么引线框看起来氧化或腐蚀严重？
