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您好,抱歉FPD link器件我没有找到详细的layout资料,基本上芯片的数据手册或者EVM user's guide都有介绍。
对于DS90UB925,可以参考数据手册P42 section10部分的layout介绍,比较详细。
https://www.ti.com/lit/ds/symlink/ds90ub925q-q1.pdf?
对于DOUT+、DOUT-差分信号的走线要求,AC耦合电容尽量靠近芯片端,然后差分走线100ohm阻抗,差分线尽量等长等宽。
如果长度实在做不到等长,那么在5mil之内。