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Altera_Forum
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11 years ago

CycloneII I/O pin damage (Short to VCC)

Hi, History: I am using EP2C5T144C6N. The pin 92 of this device is being damaged often (10%). The FPGA is 3.3 for I/O and 1.2 for internal. This pin (92) is connected to another device...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

One thing to take note is that even though you are interfacing 3.3V with 3V, you might want to ensure that no overshoot or undershoot which could be due to reflection that over the max input limit of the IO pin.