Altera

Altera Corporation is a manufacturer of programmable logic devices (PLDs) headquartered in San Jose, California, with a primary focus on field-programmable gate array (FPGA) technology and system-on-a-chip (SoC) FPGAs. Founded in 1983¹, it was acquired by Intel in 2015, re-established under the Altera name in 2024, and in 2025 became a privately held company majority-owned by private equity firm Silver Lake.

Altera Corporation is a manufacturer of programmable logic devices (PLDs) headquartered in San Jose, California, with a primary focus on field-programmable gate array (FPGA) technology and system-on-a-chip (SoC) FPGAs. Founded in 1983, it was acquired by Intel in 2015, re-established under the Altera name in 2024, and in 2025 became a privately held company majority-owned by private equity firm Silver Lake. ==Products== ===FPGAs=== of an Altera Max II FPGA The main product lines from Altera are the Agilex FPGA product lines, and their predecessors: the high-end Stratix series, mid-range Arria series, and lower-cost Cyclone series; as well as the MAX series non-volatile FPGAs. ===Soft Processor cores=== Altera offers the Nios V embedded soft processor cores based on the RISC-V instruction set architecture. Previously Altera had offered their own proprietary Nios II embedded soft processor, the Freescale ColdFire v1 core, and the ARM Cortex-M1 processor. ===Design software=== All of Altera's devices are supported by a common design environment, the Quartus Prime design software, which is a multi-platform development environment that includes various tools needed to design FPGAs, SoC FPGAs, and CPLDs. In May 2013, Altera made available an SDK for OpenCL, enabling software programmers to access the high-performance capabilities of programmable logic devices. Altera also supports high-level synthesis using SYCL extensions to ANSI C/C++. ==Intel partnership, acquisition and ownership== ===PLD technology licensing partnership=== In 1984, the company formed a partnership with Intel, licensing its programmable logic technology to Intel. In 1994, Altera acquired the PLD business of Intel for $50 million. ===Intel 14-nm technology=== In February 2013, Altera announced an agreement to use Intel's foundry services to produce its 14-nm node for the future manufacturing of its FPGAs, based on Intel's 14-nm tri-gate transistor technology, in place of Altera's ongoing agreement with TSMC. The Stratix 10 product family was the first such product line. ==Restatement of financial results== On June 21, 2006, after an investigation by the U.S. Securities and Exchange Commission, the company restated its financial results from 1996 to 2005 to correct accounting errors related to options backdating. The chief financial officer of the company resigned. Altera filed a petition to overturn related regulations but was, under Intel, denied in 2020. ==See also== Xilinx ==References==

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