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您好，我们购买的以下三个器件都出现了器件引线根部表面袈纹且暴露基底金属的情况（如下图），请问是什么原因造成？是否影响使用？
SN74S10N，批号1710+(73AFCGM)
SN75188N，批号2429+(47AD74M)
SN74LS32N，批号2236+(29A59KM)
质量问题，请联系客服部门
www.ti.com.cn/.../contact-us.html
