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If I follow you well, the Clamp Diodes present on the PCI Compliant Bank of the MAX II and other similar devices are there to protect only from "overshoots" which seems to be very small surges of voltage over 3.3V (maybe tenths of volts???) ?
If this is the...
Can someone explain to me why there are 5V to 3V QuickSwitches on the 50some PCI Bus Signals/Lines on the MAXII Development Board Kit while this CPLD (EPM1270) is equipped with PCI 3.3V Clamp Diodes ???
I found out this is the case with other Altera Dev. Kits too! (at least the Stratix...
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