Phoenix Semiconductor, an Austin-based startup founded in 2023, is addressing the critical issue of legacy chip obsolescence by repackaging modern, off-the-shelf components to serve as functional replacements for phased-out semiconductors. The company targets the high-mix, low-volume market, providing essential hardware for defense, aerospace, and industrial sectors that rely on systems no longer supported by original manufacturers.
The urgency of this supply chain gap is highlighted by the needs of aging but vital infrastructure. According to company founder Ryan Hatcher, the firm has been engaged to provide replacement parts for systems such as the bleed-air control unit in U.S. Navy F/A-18F Super Hornet fighter jets. By utilizing an interposer to bridge modern silicon with legacy pin-out configurations, Phoenix creates components that function within existing hardware without requiring costly or time-consuming firmware and software updates.
The Economics of Legacy Hardware
Large semiconductor foundries, such as those operated by Intel or the Taiwan Semiconductor Manufacturing Company (TSMC), typically prioritize high-volume production runs to maximize capacity utilization and profitability. As noted by industry analysts, a single production cycle in a modern fab can span up to three years, making the manufacturing of small batches of older parts economically unfeasible. This creates a structural mismatch for sectors like defense, where systems remain in service for decades but require only a limited number of replacement chips.
Jonathan Bronson, a managing partner at venture capital firm J2 Ventures, describes the situation as a “long tail” of demand that traditional original equipment manufacturers (OEMs) are often eager to offload. Bronson, who joined the board of Phoenix Semiconductor in June 2025, notes that for many specialized applications, there is often no remaining source for the original components, leaving organizations with few alternatives other than retrofitting or abandoning their equipment. The financial stakes are significant: as Hatcher observes, the cost of an aircraft can reach $100 million, making the procurement of a $1,000 replacement chip a necessary investment to prevent the grounding of the fleet.
Technical Approach to Obsolescence
To overcome the lack of original manufacturing materials, Phoenix Semiconductor employs a multi-chip module (MCM) strategy. The company identifies low-power chips—often those originally designed for the Internet of Things (IoT) market—and integrates them onto an interposer. This assembly is then housed in a package that mimics the original component’s pin-out, allowing it to be dropped directly into existing sockets. This method ensures that the replacement part is, as Hatcher describes it, “indistinguishable from the original” to the host system.
The firm maintains a lean operation, with a 15-member team based in Austin, Texas, that focuses on prototype development. For commercial-scale production, Phoenix outsources manufacturing to specialized partners such as Micross, QP Technologies, and TTM Technologies. In June 2026, the company achieved ISO 9001 certification, a globally recognized standard for quality management systems established by the International Organization for Standardization, which provides a framework for consistent production quality in highly regulated industries.
Market Demand and Future Expansion
While defense applications represent the primary business segment for Phoenix, the company also serves clients in medical technology, commercial aerospace, and oil and gas extraction. These sectors share a common characteristic: the systems they operate are not high-volume consumer goods, but rather “super-high dollar value” assets that require long-term support. By working directly with OEMs like Texas Instruments or NXP, Phoenix seeks to take over the production of specific, discontinued lines, effectively absorbing the maintenance burden that larger manufacturers no longer wish to manage.
Looking ahead, Hatcher has indicated plans to invest in automation and internal manufacturing capabilities to better serve the high-production, low-volume requirements of his clients. While current outsourcing partners provide essential services, Hatcher points to the “substantial switching costs” associated with moving between different products as a primary driver for developing optimized, in-house manufacturing flows. As the industry grapples with the accelerating pace of semiconductor innovation, firms like Phoenix are positioning themselves to fill the widening gap between state-of-the-art technology and the hardware that keeps critical infrastructure operational.
Readers interested in the latest developments regarding the company’s manufacturing capacity or official quality certifications can monitor updates via the International Organization for Standardization’s official registry or through industry-specific trade announcements. We invite you to share your thoughts on the future of legacy hardware maintenance in the comments below.