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NReddy's avatar
NReddy
Icon for New Contributor rankNew Contributor
7 years ago

I am finding short between VCC and GND pins of EP1K100QI208-2 IC very frequently..any idea what could be the reason...?

1. EP1K100QI208 -2 IC been used in some of my old design and some are getting programmed in first power up but when i assemble the board into unit and power on , observing regulator failure ( getting...
JScho6's avatar
JScho6
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

We've used the ACEX1K series back in 2002 up until 2008 in our products. You need to observe that if you use a 5V-tolerant input standard, the PCI clamping diodes MUST be switched off, otherwise the device will suffer the kind of damage you're describing. So the reason may not be in your hardware design, but in your Quartus design.

greetings from Germany,

Jens