US Patent 8970230 Capacitive sensing button on chip

An embodiment of an integrated circuit device may comprise an integrated circuit package, a sensor element attached within the integrated circuit package, a capacitance sensor coupled with the sensor element and situated within the integrated circuit package, wherein the capacitance sensor is configured to measure a capacitance of the sensor element, and an output pin positioned at the exterior of the integrated circuit package, wherein the output pin is configured to carry a signal based on the measured capacitance of the sensor element.