SN74HC14N DIP14 芯片上有G4标示,客户之前的是E4, 现用 G4不良很高, 怀疑是假货!
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您好,
关于器件标记查询,请您查阅:https://www.ti.com.cn/packaging/cn/docs/partlookup.tsp
TI 论坛旨在解决客户在使用TI产品过程中遇到的技术问题。对于是否是假货,建议您请按照以下方式联系客户支持部门,会有客服为您提供帮助。