semiconductor obsolescence

The semiconductor obsolescence tag covers efforts to keep aging electronic systems operational when their original chips are no longer readily available. Current coverage focuses on Phoenix Semiconductor, an Austin startup recreating obsolete microelectronic components for U.S. defense systems through a Phase II Small Business Innovation Research contract from the Defense Logistics Agency. The reported work includes reproducing a 1970s-era logic chip used in carrier launch-and-recovery infrastructure. It highlights how legacy hardware can remain essential to national security and how modernization may require functionally matching an old component rather than redesigning the system, rewriting software, or pursuing new platform certification.