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HD3SS3220: IO Levels

Part Number: HD3SS3220


Hello team, 

We wanted to confirm if the below IO Levels works for HD3SS3220:

1. ENn_CC: 3.3V
2. ENn_MUX:  3.3V should work mostly as Vih is mentioned as 0.7*3.3. Please correct me if it is wrong.

Also, for Open Drain outputs of INT_N and VCONN_FAULT_N, if we use 1.8V as pull-up, do you foresee any issues?