Welcome to Cologne Chip The smart semiconductor company GateMateTM FPGA Get an overview of Cologne Chip's new technology with this information sheet. All benefits of GateMate FPGA One IC family fits it all ISDN Controller ICs of XHFC Series are available with 1 up to 4 ISDN interfaces for all BRI applications. Find out, which IC is the right one for you. Cologne Chip is official sponsor of this year's FPGA Conference Europe. We are exhibiting on embedded world 2022. Meet our engineers on this industry-leading show for the embedded community in Nuremberg, Germany.