This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

(紧急+重要)PCA9518PW的EXPSCL疑问



我的项目中目前用了八个PCA9518PW芯片,其中两个的连接情况如下图所示,请教一下,图中N0_EXPSCL1与N0_EXPSDA1(或者N0_EXPSCL2与N0_EXPSDA2)的走线长度有要求吗,还是说走线长度只要满足I2C的规范控制走线上的电容在400pf以内就可以,感谢