Holt Integrated Circuits specializes in providing advanced communication integrated circuits for data buses, focusing on the military, aerospace, and industrial sectors. The company emphasizes in-house design and testing, delivering innovative and cost-effective mixed-signal solutions tailored for embedded applications that utilize microprocessors. Their extensive range of products includes MIL-STD-1553, ARINC 429, discrete-to-digital sensing, Controller Area Network (CAN), analog switches, and RS-485/422 interfaces. These products are integral to numerous applications, including flight control systems, engine management, in-flight entertainment, and various testing equipment.