Obsolete — last-time-buy planning for sustainment
Microchip Technology has marked the DSC6121CI2A-00EUT as Obsolete. For sustainment programs that already qualify this MEMS oscillator, the remaining inventory is finite — new designs should select an active Microchip or second-source equivalent before the BOM line becomes a sole-source gap.
Supply voltage and power — wide-range, low-current
Maximum supply current is 3 mA typical, keeping the thermal contribution negligible in dense PCB layouts.