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DS90UB914A-Q1: Power-Up Requirements

Shuji Ishiwata
Mastermind 7845 points
Part Number: DS90UB914A-Q1

Hi Team,

I have a question on the DS90UB914A-Q1 data sheet " 11.1.2 Power-Up Requirements and PDB Pin " content.


In the power supply sequence currently being designed, PDB is input immediately after VDDIO.
Does this not work? Although it is natural to observe the power supply sequence, is there no problem if PDB is input before VDD_n?

Best Regards,
Ishiwata