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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1406343/uln2003a-part-marking
工具与软件：
标有"TI ULN2003A"的 ULN2003AD IC (无 TI 标识、仅限 TI 字母)是否合法？
Mike、
器件本身是否没有字母数字代码？ 这样我们就可以了解确切的制造信息、便于我们查看。 您有顶部标记的图片吗？
此致、 TIM
