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NC pin connection TUSB7320

Other Parts Discussed in Thread: TUSB7320, TUSB7340

Hi, 

Please can you help me with my below query.

I will be using only TUSB7320 chip and have no plan to move to TUSB7340.

As per datasheet B4, B26 and B8 pins are no connect. But in reference schematics  B4 and B26 are connected to 3.3V and B8 connected to 1.1V.

Is the above connection required? is there any explanation for this connection?

Can I make  B4, B26 and B8 pins are no connect?

Regards,

Sachin