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Altera_Forum's avatar
Altera_Forum
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16 years ago

Max 2 IC occasionally gets destroyed

In my hardware environment, a "Max 2" IC occasionally gets destroyed - it pulls down the 3.3 V power supply. What can be the cause for this? Can it be anything else than electrostatic discharge? The ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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and for the last point, do you have some kind of GND Loop ? PC -> Blaster -> JTAG -> PCB -> any-Interface -> PC

or via some kind of measurement device like scope ?

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The Byte Blaster is not connected most of the time, but there may be a ground loop sometimes, e.g. because of an emulator cable. Should I disconnect the emulator cable or the scope when the Byte Blaster is connected? I would find it rather awkward. Is there a more convenient method to avoid ground loops?