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Touchstone Semiconductor Inc. was a manufacturer of analog integrated circuit (IC) components for industrial control, consumer electronics, medical, telecommunications, and other industries.

Touchstone Semiconductor was founded in 2010 by a group of semiconductor industry experts from Maxim Integrated Products, Linear Technology and Analog Devices. The company received $12M funding in Series A funding from Opus Capital and Khosla Ventures, the headquarters were located in Milpitas, California.

Touchstone's assets were acquired by Silicon Labs in March 2014.^[1]

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