Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 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
17 years ago

regarding power connection, it seems to be okay from schematic view, your pcb is another part how it is layouted from an SI oder EMI view.

regarding the io pins, they are fine from my side.

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 ? the GND potential of your scope is normaly PE what is GND on your PC (Blaster)