Dual 100 MHz MEMS XO for high-speed serial clocks
The DSC2042FI1-F0014 is a MEMS-based XO (Standard) delivering two independent 100 MHz outputs from a single 14-VFQFN package measuring 3.20 mm × 2.50 mm. Both outputs can be configured as HCSL or LVPECL, making it a direct clock source for PCIe, SATA, or 10GbE reference clocks without external level translation. For a 100 MHz carrier, that translates to a maximum absolute frequency error of 5 kHz — well within the ±100 ppm holdover window most Ethernet PHYs require.
Supply current and power budget fit
Typical supply current is 76 mA with both outputs active at 100 MHz.
Active production and ordering path
Microchip lists the DSC2042FI1-F0014 as Active.