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Microchip Technology DSC1001DE1-018.4320T — Crystals & Oscillators

DSC1001DE1-018.4320T MEMS XO – 18.432 MHz, CMOS, AEC-Q100

MPNDSC1001DE1-018.4320T
Active

Microchip DSC1001 series MEMS XO, 18.432 MHz, CMOS output, 1.8V–3.3V supply, ±50 ppm stability, AEC-Q100 qualified, 4-SMD no-lead package, active production.

Microchip Technology DSC1001DE1-018.4320T datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1001DE1-018.4320T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1001
MountingSurface Mount
Voltage1.8V ~ 3.3V
Current - supply6.3mA
Current - supply (Disable)15µA
Frequency18.432 MHz
Frequency stability±50ppm
Operating temperature-20°C~70°C
Size (Dimension)0.098\" L x 0.079\" W (2.50mm x 2.00mm)
Height - seated0.035\" (0.90mm)
OutputCMOS
PackageTape & Reel (TR)
RatingsAEC-Q100
FunctionStandby (Power Down)
Base resonatorMEMS
Case4-SMD, No Lead

Product details

MEMS oscillator with automotive-grade timing

The DSC1001DE1-018.4320T is a MEMS-based XO (standard oscillator) from Microchip's DSC1001 series, delivering a 18.432 MHz CMOS output with ±50 ppm frequency stability across -20°C to +70°C. The 2.50mm x 2.00mm 4-SMD no-lead package (0.90mm seated height) fits tight PCB layouts and is hand-solderable with a fine-tip iron — no reflow oven required for prototyping.

Operates from a single 1.8V to 3.3V supply, covering the three most common digital logic rails without an external regulator — the CMOS output swings rail-to-rail, so it drives MCU clock inputs directly. Maximum active current is 6.3 mA; the Standby (Power Down) function drops supply current to 15 µA max, making it suitable for battery-powered systems that sleep between wake cycles — a logic-level signal on the enable pin shuts down the oscillator.

Frequently asked questions

Is the DSC1001DE1-018.4320T AEC-Q100 qualified?

Yes — it carries AEC-Q100 rating, which means it has passed automotive-grade reliability stress tests including temperature cycling, ESD, and latch-up. Use it in under-hood, cabin, or chassis-domain electronics where the ambient temperature stays within -20°C to +70°C.

What is the output type and supply voltage range?

The output is CMOS — rail-to-rail swing that interfaces directly with digital logic without level translation. Supply voltage range is 1.8V to 3.3V, covering 1.8V, 2.5V, and 3.3V rails from a single supply pin.

What is the standby function and how does it save power?

The Standby (Power Down) function disables the oscillator when a logic-low signal is applied to the enable pin. Active current is 6.3 mA max; in standby the supply current drops to 15 µA max — useful for battery-powered designs that sleep between wake events.