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Honored Contributor
Honored ContributorSome question about interconnect with LVTTL and LVPECL
Hello everyone: I am using a D flip-flop chip of ON semiconductor, attached is the datasheet. All of this chip's IO are ECL type. I have to control some pins (such as reset pin) from FPG...
Altera_ForumHonored Contributor
Honored ContributorLevel conversion from 3.3V or 2.5V FPGA IOs to LVPECL can be done with resistive voltage dividers. For LVPECL to FPGA interface, use resistors and LVDS inputs.
