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Please refer to the picture below for our design. We use LSF0102 to translate MDC/MDIO voltage level from 3.3V source to 1.2V destination. How do I choose the correct pull up resistors for both A and B channel? There's a table in the spec (cut and paste below) suggest the pull up value, but if our destination only sink 5uA current, these small resistor value suggestion would not cause problem for the low signal level?
LSF0102's A and B channel is isolated to each other? The pull up of A channel won't affect the pull up value of B channel?
Hi Sid,
We have training videos for the LSF devices located here:
Watching these will help you understand the operation of the device and it also covers sizing the resistors.
