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Voltage-Referenced I/O Standards: GTL+, HSTL Class 1, SSTL2 Class 1 and 2, SSTL3 Class 1 and 2
– Registered I/Os
– Hot-Swap Compliant I/Os (except PCI)
– Programmable Slew Rate and Drive Strength on Outputs
– Programmable Delay and Weak Pull-Up/Pull-Down Circuits on Inputs E.