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SN74AVC4T245 Power sequence

Hi,

Let me confirm about below.

When user use following condition, is there any power up/down requirement ?

* DIR = H (fixed) (connected to Vcca)

* OEn = L (fixed) (connected to GND)

(These means signal directon is A ->B.)

I believe both vcca will ramp up at first and vccb will ramp up at first are allowed. But if my understanding is not correct, please correct me.

BR,

Machida