America must act to secure its ‘legacy chips’ from China and other competitors 

Cutting-edge chips, especially those designed to power emerging AI applications, tend to receive the most attention in the media and generate the most excitement. However, so-called “legacy” chips are just as important — if not more — to our daily lives.  

While technological and manufacturing advances in chip-making seek to make chips that are ever-smaller and more powerful, legacy chips are produced using more “mature” process technologies or “nodes,” which roughly describe the size...