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Microchip Technology DSC1001CI5-018.4320T — Crystals & Oscillators

DSC1001CI5-018.4320T MEMS XO – 18.432 MHz, AEC-Q100

MPNDSC1001CI5-018.4320T
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Microchip DSC1001CI5-018.4320T, XO (Standard) MEMS oscillator, 18.432 MHz CMOS output, ±10 ppm stability, AEC-Q100, 1.8-3.3 V supply, 4-SMD no-lead package.

Microchip Technology DSC1001CI5-018.4320T datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1001CI5-018.4320T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1001
MountingSurface Mount
Supply voltage1.8V ~ 3.3V
Current - supply6.3mA
Current - supply (Disable)15µA
Frequency18.432 MHz
Frequency stability±10ppm
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
PackageTape & Reel (TR)
RatingsAEC-Q100
FunctionStandby (Power Down)
Base resonatorMEMS
Case4-SMD, No Lead

Product details

MEMS oscillator replaces quartz in automotive timing

The DSC1001CI5-018.4320T is a MEMS-based XO (Standard) from Microchip's DSC1001 series, delivering a 18.432 MHz CMOS output with ±10 ppm frequency stability across -40°C to +85°C.

Supply voltage range and power-down savings

Package and footprint for production

Housed in a 4-SMD, No Lead package measuring 3.20 mm x 2.50 mm with a seated height of 0.90 mm — the compact footprint fits space-constrained automotive ECUs and portable instrumentation.

Frequently asked questions

Can DSC1001CI5-018.4320T replace a standard 18.432 MHz quartz crystal oscillator?

Yes — it is a drop-in replacement for a 18.432 MHz quartz XO with CMOS output, provided the supply voltage (1.8-3.3 V) and the 4-SMD no-lead footprint match your board. The MEMS base gives better shock resistance and tighter ±10 ppm stability than many quartz oscillators, but the pinout and output type are the same.

Is DSC1001CI5-018.4320T AEC-Q100 qualified?

This includes under-hood and cabin environments where standard commercial oscillators would not be accepted.

Does DSC1001CI5-018.4320T have a standby feature?

Yes — the Standby (Power Down) function disables the output and reduces supply current to 15 µA max, compared to 6.3 mA max during normal operation. This is useful for battery-powered or sleep-mode designs.