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Microchip Technology DSC400-4444Q0015KE1T — Crystals & Oscillators

DSC400-4444Q0015KE1T MEMS XO – 25/50/125/150 MHz HCSL Quad

MPNDSC400-4444Q0015KE1T
Active

Microchip DSC400 series, XO (Standard) MEMS oscillator, 20-VFQFN exposed pad, 5.00mm x 3.20mm, outputs 25MHz, 50MHz, 125MHz, 150MHz HCSL, enable/disable function, ±50ppm stability, 2.25V~3.6V supply

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC400-4444Q0015KE1T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC400
Voltage2.25V ~ 3.6V
Frequency stability±50ppm
Frequency - output 125MHz, 50MHz, 125MHz, 150MHz
Frequency - output 2100MHz, 156.25MHz
Operating temperature-20°C~70°C
Height0.035\" (0.90mm)
Size (Dimension)0.197\" L x 0.126\" W (5.00mm x 3.20mm)
OutputHCSL
PackageTape & Reel (TR)
FunctionEnable/Disable
Base resonatorMEMS
Case20-VFQFN Exposed Pad

Product details

Four HCSL clock outputs from one MEMS die

The DSC400-4444Q0015KE1T is a MEMS-based XO (Standard) that generates four independent HCSL outputs: 25 MHz, 50 MHz, 125 MHz, and 150 MHz on output 1, plus 100 MHz and 156.25 MHz on output 2. HCSL (High-Speed Current Steering Logic) is the standard clock format for PCIe reference clocks, making this oscillator a direct fit for PCIe Gen1/2/3 clock trees where multiple frequencies are needed from a single device.

Supply range and stability for commercial systems

Operating from 2.25 V to 3.6 V, the oscillator covers 2.5 V and 3.3 V rails common in FPGA and ASIC clock domains without an external regulator.

Active production, available to order

Supplied in tape-and-reel (TR) packaging, the 20-VFQFN exposed-pad package measures 5.00 mm x 3.20 mm with a 0.90 mm height, suitable for automated assembly on standard SMT lines.

Frequently asked questions

Does the DSC400-4444Q0015KE1T output 25 MHz, 50 MHz, 125 MHz, and 150 MHz?

Yes. Output 1 provides 25 MHz, 50 MHz, 125 MHz, and 150 MHz; output 2 provides 100 MHz and 156.25 MHz. All outputs are HCSL logic.

What is the output type of the DSC400-4444Q0015KE1T?

HCSL (High-Speed Current Steering Logic), the standard for PCIe reference clocks.

Does the DSC400-4444Q0015KE1T have an enable/disable function?

Yes. The enable/disable pin allows the outputs to be tri-stated for power management or testing.