Altera's ACEX® 1K device family provides industry-leading low-cost devices for low-density design needs. For mid- and high-density designs, check out Altera's new lowest-cost FPGAs, the Cyclone™ II and Cyclone device families. The ACEX 1K device family offers low-density FPGAs that are ideal for price-sensitive applications, with price points as low as $3.25. The ACEX 1K device family operates at 2.5 V and can interface with 5.0-V, 3.3-V, and 2.5-V I/O circuitries.