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上周UC288在电源上出了问题，后面我们想证实一下，那批货是否有假，就拿去打开，看到里面晶体上打着1844.请问这货是否是假货呢？
TI鉴定产品真伪的唯一标准：是否从授权代理商购买。我们授权代理商您可点击：focus.ti.com.cn/.../gencontent.tsp
也就是说不能从晶体打印辨别真伪，只能通过购买渠道哦。
