XAPP696 - Interfacing LVPECL 3.3V Drivers with Xilinx 2.5V Differential Receivers Application Note: Virtex-II Pro, Virtex-4, Virtex-5, Spartan-3/3E Families R Interfacing LVPECL 3.3V Drivers with Xilinx 2.5V Differential Receivers XAPP696 (v1.3) May 1, 2008 Author: Mark Wood Summary This application note describes how to interface 3.3V differential Low-Voltage Positive Emitter Coupled Logic (LVPECL) drivers with Xilinx 2.5V differential receivers, including Virtex-II Pro, Virtex-II Pro X, Virtex-4, Virtex-5, Spartan-3E, and Spartan……