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Altera_Forum's avatar
Altera_Forum
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14 years ago

cyclone3 fpga device failure

i have designed a board in which i am using 3 cyclone 3 fpga devices. one of them is EP3C16 and other two are EP3C5.one of these EP3C5 deviCes works fine for some days and then automatically gets b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Some ideas:

Do you have an output driving high current? i.e. do you directly drive LEDs or any other current consuming device?

Is the device hot during normal operation, before failure?

Are you sure you don't have some rare abnormal condition when two of those fpgas drive the same line with opposite levels?

Does the device gets damaged during operation or do you find it damaged after power up?