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Microchip Technology DSC1121CI2-168.0000T — Crystals & Oscillators

DSC1121CI2-168.0000T MEMS XO 168 MHz CMOS AEC-Q100

MPNDSC1121CI2-168.0000T
End of Life

Microchip DSC1121 series MEMS XO, 168 MHz, CMOS output, AEC-Q100 qualified, 2.25-3.6V supply, -40 to 85°C, 6-SMD no-lead package.

$5.9500Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1121CI2-168.0000T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1121
MountingSurface Mount
Supply voltage2.25V ~ 3.6V
Current - supply35mA
Current - supply (Disable)22mA
Frequency168 MHz
Frequency stability±25ppm
Operating temperature-40°C ~ 85°C
Size (Dimension)0.126\" L x 0.098\" W (3.20mm x 2.50mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
RatingsAEC-Q100
FunctionEnable/Disable
PackageTape & Reel (TR)
Base resonatorMEMS
Case6-SMD, No Lead

Product details

168 MHz MEMS clock with AEC-Q100 grade

Supply voltage and output compatibility

The 2.25V to 3.6V supply range directly answers the common question: yes, it works with 3.3V logic without a level shifter.

Housed in a 6-SMD no-lead package measuring 3.20 mm x 2.50 mm with a seated height of 0.90 mm.

This is a current-design-in part, not a last-time-buy or obsolete device.

Frequently asked questions

Can DSC1121CI2-168.0000T replace a quartz crystal oscillator at 168 MHz?

Yes, if the board uses a standard 6-SMD no-lead XO footprint (3.2 mm x 2.5 mm) with a CMOS input. The MEMS-based DSC1121 is a drop-in replacement for many quartz XOs of the same package size and output type. Confirm the supply voltage (2.25-3.6V) and enable/disable logic polarity match your design.

Is DSC1121CI2-168.0000T compatible with 3.3V logic?

Yes. The supply voltage range of 2.25V to 3.6V covers 3.3V rails, and the CMOS output swings rail-to-rail, so it drives 3.3V clock inputs directly.