28 Gbps 4:1 Mux SMT with Programmable Output Voltage Features: Differential & Singe-Ended Operation Half-Rate Clock Input Quarter-Rate Reference Clock Output Fast Rise and Fall Times: 16 ps Low Power Consumption: 510 mW typ. Programmable Differential Output Voltage Swing: 700 - 1250 mV Single Supply: -3.3V 32 Lead 5x5mm SMT Package: 25mm2