Dual-frequency MEMS XO for tight-timing BOMs
The DSC2010FI2-A0024: This MEMS-based XO (Standard) generates two independent LVCMOS clock outputs: 26.973 MHz and 27 MHz, both with ±25 ppm frequency stability over the -40 to +85 °C industrial range.
14-VFQFN exposed-pad mounting and thermal interface
The 14-VFQFN Exposed Pad package measures 3.20 mm x 2.50 mm with a 0.90 mm seated height — the exposed paddle must be soldered to a PCB thermal land to achieve the rated thermal impedance and to provide a low-inductance ground return for the MEMS core. The QFN package demands a solder-paste stencil aperture that matches the pad geometry; a via-in-pad array under the paddle improves heat spreading when the oscillator sits near a hot FPGA or PHY.