ISO7741: ISO7741FDW EFT test failed

Part Number: ISO7741


Our customer uses  ISO7741FDW for EFT test, but the result is that the input FAU_A has no low level,but the output FAULT_A of  ISO7741F has about 1us  high level .Below is his test  setup and waveform. Could you please give me some advice?Thank you

Best regards


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