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Microchip Technology DSC1001CI5-070.4550T — Crystals & Oscillators

DSC1001CI5-070.4550T MEMS XO – 70.455 MHz, ±10 ppm, AEC-Q100

MPNDSC1001CI5-070.4550T
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Microchip Technology DSC1001CI5-070.4550T, MEMS-based XO (Standard), 70.455 MHz CMOS output, ±10 ppm stability, AEC-Q100 rated, 4-SMD no-lead package, 1.8V–3.3V supply range.

Microchip Technology DSC1001CI5-070.4550T datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DSC1001CI5-070.4550T specifications
ParameterValue
TypeXO (Standard)
SeriesDSC1001
MountingSurface Mount
Supply voltage1.8V ~ 3.3V
Current - supply8.7mA
Current - supply (Disable)15µA
Frequency70.455 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 clock at 70.455 MHz with ±10 ppm hold

Supply flexibility and current budget

Supply voltage spans 1.8V to 3.3V, so the same part number serves 1.8V-core SoCs and 3.3V peripheral buses without a level translator on the clock line. Maximum active supply current is 8.7 mA — a light load for a 70 MHz clock, leaving headroom for multiple fan-outs on a single output without exceeding the oscillator's drive capability.

Housed in a 4-SMD no-lead package measuring 3.20 mm × 2.50 mm with a seated height of 0.90 mm, it fits the same footprint as standard quartz oscillators — a direct drop-in for existing 3.2×2.5 mm XO pads.

Frequently asked questions

What is the standby power-down function of the DSC1001CI5?

The standby function disables the oscillator output and internal bias circuits, reducing supply current to 15 µA max. The output goes into a high-impedance state, allowing the downstream device to gate the clock without a separate enable pin.

Is DSC1001CI5-070.4550T compatible with a 3.3V supply?

Yes. The supply voltage range is 1.8V to 3.3V, so it operates directly on a 3.3V rail without an external regulator or level shifter.

What is the closest pin-compatible alternative to DSC1001CI5-070.4550T?

Within the DSC1001 series, any part sharing the same 4-SMD no-lead footprint and supply range is a drop-in replacement at a different frequency. For the exact 70.455 MHz frequency with ±10 ppm stability and AEC-Q100 rating, no direct second-source is listed — the DSC1001CI5-070.4550T is the sole order code carrying these parametric and qualification attributes.