Configurable 4-Bit to 20-Bit Bus switch with -2V Undershoot Protection and Selectable level Shifting and 25 Ohm Series Resistors ... Configurable 4-Bit to 20-Bit Bus switch with -2V Undershoot Protection and Selectable level Shifting and 25з Series Resistors in Outputs Configurable 4-Bit to 20-Bit Bus switch with -2V Undershoot Protection and Selectable level Shifting and 25 Series Resistors in Outputs