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DS125BR401A: The recommended resistor value for Clock Tlow

Part Number: DS125BR401A

Dear Team,

My customer used 2k Ohm pull-up resistor on SDA and SCL in the beginning. But they cannot meet the spec of Clock Tlow.

Therefore, they tried to use different value of resistor to do the experiments. 

Until now they use 5.1k Ohms resistor to pass this test.

We would like to know is there any concern if they use 5.1k Ohms resistor instead of 2k Ohms resistor.

Thank you.