ORCA® Series 2 Field-Programmable Gate Arrays Data Sheet June 1999 is a high-performance, high-density, low-power field-programmable gate array. It has four-input look-up table (LUT) delay less than 1.0 ns of 0.35 µm CMOS technology (OR2CxxA), 0.3 µm CMOS technology (OR2TxxA) and 0.25 µm CMOS technology (OR2TxxB), and up to 43,200 usable, only logic gates; or 99,400 gates, including RAM.