Altera Corporation is an American manufacturer of Programmable Logic Devices (PLDs), reconfigurable complex digital circuits. The company was founded in 1983 and is now a subsidiary of Intel. Altera’s main products are the Stratix, Arria and Cyclone series FPGAs (field-programmable gate arrays), the MAX series CPLDs (complex programmable logic devices), Quartus II design software, and Enpirion PowerSoC DC-DC power solutions. Altera and Intel offer a broad range of FPGA devices, from the high-performance Stratix series to the low-cost, low-power Cyclone series, to meet varying customer needs. The company is known for its high-quality products and commitment to customer service.