A high-speed bit stream data conversion circuit receives a first bit stream and recovers a clock signal from the first bit stream. In some instances, aortic valve replacement may include a dual transapical approach in which a transfemoral approach is used to reach the apex of the patient’s heart from inside the left ventricle while a minimally invasive surgical procedure provides access to the exterior of the apex via an intercostal approach. That is, the inactive cell is provided between the sense cell and an active cell.