• Mortensen posted in Group logo of ASIC and FPGAASIC and FPGA 2 years, 6 months ago  · , 0, 1

    #IO curve tracing

    When we suspect if a io pad is broken, io curve tracing can help. Apply dc voltage to pad and ground and check current. VI current should be as shown for a normal pad. The rapid increasing currents at both pos and neg voltages are due to io #esd diodes.