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[参考译文] SN74HC109:引脚为黑色

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Other Parts Discussed in Thread: SN74HC109

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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1025587/sn74hc109-pin-is-black

器件型号:SN74HC109

客户购买4775 sn74hc109、但引脚是黑色的、如图所示。 它是否影响焊接?