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ISO6740-Q1: ISO6740QDWRQ1

Part Number: ISO6740-Q1

ISO6740QDWRQ1 is used in our design as shown below, the sense signals(INx and OUTx) are of 5V level and VCC=3.3V. According to the datasheet INx and OUTx maximum voltage rating is VCCx+0.5, but we wanted to know if INx and OUTx signals are 5V tolerant or we need to level translate sense signals in our schematic to 3.3V?

Thanks