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TXS0102: Input/Output pin leakage question

Part Number: TXS0102

Hi team,

My customer has concern when there is one of power sources (VCCA or VCCB) not existed, is there any leakage current appeared? Or any damage happened.

For example; when their module is not power on, the VCCA is power off. The VCCA will not be applied any power source, they would like to know VCCA side will not have leakage and any abnormal action caused by VCCA doesn’t apply power. And vice versa VCCB?

Please have to clarify this situation.

From datasheet, I think the leakage current should be Ioff parameter, am I right?

Thanks