Lower Gwynedd, Pennsylvania
- Established: The Pennsylvania Design Center began in 1994 as Focus Semiconductor. In 1997, Focus was purchased by AMI Semiconductor. Then, in March 2008, ON Semiconductor obtained the design center through the acquisition of AMIS.
- Focus End Markets: Industrial
- Product Focus: State-of-the-art Mixed-Signal Application-Specific Integrated Circuits (ASIC)