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SN74AXCH4T245: leakage problem

Naizeng Wang
Expert 4670 points
Part Number: SN74AXCH4T245

Tool/software:

Hi team,

Customer found a problem about this device. When there is no power supply on Vcca and Vccb, apply 1.8V on 1A1 or 1A2, Vccb will have 2.2V voltage. I think this should be a leakage problem, could you please find the reason? Thanks!