Hi Sirs,
We have use PCA9306.
If our VREF1=1.8V, VREF2=3.3V, pull-up resistance 2.0kohm, VOL=0.2*1.8=0.36V. right??
Actually our master side VIL=0.3VDD(1.8V)=0.54V.
We worries these value are too close.
So could you help double confirm have any risk on our design?
Thanks!!