Altera Corporation is a manufacturer of ASICs and programmable integrated circuits, so-called PLDs (programmable logical devices) and was founded in 1983.

The company is listed on the stock index S & P 500. As a fabless company to Altera primarily focused on the development of circuits and intellectual property ( IP) based on hardware description languages ​​such as VHDL or Verilog. In the manufacturing sector to work together with different chip manufacturers.

Important products are in addition to the HardCopy ASICs programmable building blocks of Stratix series and Cyclone. This is to provide cost FPGAs, (II Embedded Processor Nios ) can be programmed as so-called SoCs in using the in-house EDA software Quartus MAX Plus, SOPC Builder and DSP Builder complex switching network structures as well as whole -processor systems. The MAX ® II CPLDs are available for simpler applications.

Main competitor is Xilinx. Other major competitors include Lattice and Actel.