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Microchip Technology DSC400-2222Q0022KI1 — Crystals & Oscillators

DSC400-2222Q0022KI1 MEMS XO, LVPECL, 125/100 MHz, ±50 ppm

MPNDSC400-2222Q0022KI1
Active

Microchip Technology DSC400 series, XO (Standard), MEMS resonator, four LVPECL outputs: 125 MHz, 100 MHz, 100 MHz, 125 MHz, ±50 ppm stability, 2.25 V to 3.6 V supply, -40°C to 85°C, 20-VFQFN exposed pad.

Microchip Technology DSC400-2222Q0022KI1 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC400-2222Q0022KI1 specifications
ParameterValue
TypeXO (Standard)
SeriesDSC400
Supply voltage2.25V ~ 3.6V
Frequency stability±50ppm
Frequency - output 1125MHz
Frequency - output 2100MHz
Frequency - output 3100MHz
Frequency - output 4125MHz
Operating temperature-40°C~85°C
Height0.035\" (0.90mm)
Size (Dimension)0.197\" L x 0.126\" W (5.00mm x 3.20mm)
OutputLVPECL
PackageTube
FunctionEnable/Disable
Base resonatorMEMS
Case20-VFQFN Exposed Pad

Product details

What is the DSC400-2222Q0022KI1?

The DSC400-2222Q0022KI1 is a MEMS-based XO (Standard) from the DSC400 series, delivering four differential LVPECL outputs in a single 5.00 mm x 3.20 mm, 20-VFQFN package with an exposed pad for thermal management. It generates two independent frequencies — 125 MHz on outputs 1 and 4, and 100 MHz on outputs 2 and 3 — covering common reference clock requirements for FPGA transceivers, Ethernet PHYs, and SerDes blocks.

Which supply rails and temperature range does it cover?

The supply voltage spans 2.25 V to 3.6 V, so a single BOM line serves both 2.5 V and 3.3 V clock domains without a separate regulator.

Is the part still in production?

It remains a current production part suitable for new designs.

Frequently asked questions

Is the DSC400-2222Q0022KI1 compatible with a 3.3 V supply?

Yes — the supply voltage range is 2.25 V to 3.6 V, which includes both 2.5 V and 3.3 V rails. No external regulator is needed when the board runs a 3.3 V clock supply.

What output type does the DSC400-2222Q0022KI1 provide?

All four outputs are LVPECL, a differential standard that requires proper termination (typically 50 Ω to Vcc - 2 V or a Thevenin equivalent) and AC-coupling if driving a CML or HCSL input.

Can the DSC400-2222Q0022KI1 replace a quartz-based oscillator on an existing board?

The DSC400 is a MEMS resonator, not quartz. If the existing design uses a single-output quartz oscillator, the DSC400 offers four outputs, but the pinout and termination differ. A board layout change is required to use the 20-VFQFN package.