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LM25066A: Wait time before writing / reading

Part Number: LM25066A

After initial power-on, I am reading a false positive IIN_OC/PFET_OP_FAULT bit in the READ_DIAGNOSTIC_WORD.

Now I'm writing a CLEAR_FAULTS to clear the bit before I read the READ_DIAGNOSTIC_WORD, but I still see the false positive IIN_OC/PFET_OP_FAULT bit.

If I wait 200ms after initial power-on to read the READ_DIAGNOSTIC_WORD, I do not see the false positive IIN_OC/PFET_OP_FAULT bit.

What is the appropriate amount of time to wait after initial power-on to write to or read from the LM25066A? 200ms seems to work, but I would like to know what minimum amount of time is recommended.