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DS90UB948-Q1: INTB voltage level of 948 and 949

Part Number: DS90UB948-Q1

Hi Team,

May I ask if  949 's INTB connect to 1.8V(VDDIO-949) but 948's INTB connect to 3.3V(VDDIO-948), is it ok?

Do we need to keep 949 and 948 INTB connect to the same voltage level (both 1.8V or 3.3V)?

Thanks!