Since 1988 he has been at Xilinx, San Jose, CA, USA, holding a number of positions. He is currently a Xilinx Fellow, heading the Circuits and Architectures group in Xilinx Research Labs. He is author and editor of five books as well as dozens of papers and journal articles. He is an inventor with more than 200 U.S. patents in the areas of IC design, FPGA and ASIC architecture, CAE, 3-D die stacking semiconductors and cryptography.,Dr. Trimberger is a four-time winner of the Freeman Award, Xilinx's annual award for technical innovation. He is a Fellow of the Association for Computing Machinery.