7X 3.2 x 2.5mm SMD CMOS CXO Oscillators TXC 7X 3.2 x 2.5mm SMD CMOS CXO Oscillators are ultra-small SMD seam-sealed clock crystal oscillator units with tri-state output functions. The TXC 7X series has a frequency range of 1~106.25MHz and can handle 15pF of output load with a supply voltage of 3.3V (1.8V, 2.5V available). These oscillators are ideal for applications in WLAN, BLUETOOTH®, DSC, DSL, and other IT products.