MEMS XO with full military temp range
The DSC8121CM2-PROGRAMMABLE: For a system that must boot reliably at -55°C and maintain timing at 125°C junction, this part keeps the link budget without a temperature-compensated external reference.
That 13 mA saving matters in a battery-backed real-time clock or a low-power sensor node that gates the oscillator off between active cycles.
Package footprint for layout
The 6-pad footprint matches the standard MEMS oscillator land pattern — no exotic via-in-pad required. Surface-mount reflow compatible; the 0.90 mm height keeps it under low-profile shielding cans.
Lifecycle status and sourcing
No pin-compatible drop-in from the same family has been formally designated, so a board respin may be required for a long-term replacement.