Two approaches are recommended to ensure that the DS80PCI402 is provided with an adequate power supply bypass. First, the supply (VDD) and ground (GND) pins should be connected to power planes routed on adjacent layers of the printed circuit board. Second, careful attention to supply bypassing through the proper use of bypass capacitors is required. A 0.1-μF bypass capacitor should be connected to each VDD pin such that the capacitor is placed as close as possible to the device. Small body size capacitors (such as 0402) reduce the parasitic inductance of the capacitor and also help in placement close to the VDD pin. If possible, the layer thickness of the dielectric should be minimized so that the VDD and GND planes create a low inductance supply with distributed capacitance.