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1 to 110 MHz, Extended Temperature (-55 °C to 125 °C) Oscillator
LoginThe Endura™ SiT8944 is the most reliable and the highest quality oscillator for high-reliability aerospace and defense applications. This device delivers the perfect combination of the wide frequency range (1 to 110 MHz), excellent stability (±20 ppm), and wide temperature range (-55 to 125°C) in the smallest 2.0 x 1.6 mm package that is not readily available from quartz suppliers. Engineered for harsh environments, this oscillator features ultra-low 0.1 ppb/g acceleration sensitivity, 10,000g shock, and 70g vibration resistance.
The MEMS-based Endura SiT8944 is tested in accordance with MIL-PRF-55310, MIL-STD-883, and AEC-Q100 specifications.
View related products: 115 to 137 MHz | QFN package | Ruggedized XO lineup
| "Specs" | "Value" |
|---|---|
| Oscillator Type | XO -SE |
| Frequency | 1 to 110 MHz |
| Frequency Stability (ppm) | ±20, ±25, ±30, ±50 |
| Phase Jitter (rms) | 1.3 ps |
| Output Type | LVCMOS |
| Operating Temperature Range (°C) | -40 to +105, -40 to +125, -55 to +125 |
| FlexEdgeTM Rise/Fall Time | Yes |
| Voltage Supply (V) | 1.8, 2.5 to 3.3 |
| Package Type (mm²) | 2.0x1.6, 2.5x2.0, 3.2x2.5, 5.0x3.2, 7.0x5.0 |
| Features | Ultra-low acceleration sensitivity, MIL-STD-55310, MIL-PRF-883, AEC-Q100 |
| Availability | Production |
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SiT8924 4-pin package, top & bottom
Unique combination of
- ±20 ppm frequency stability
- over -55 to +125°C temp
- in 2.0 x 1.6 mm package:
- Best-in-class stability over extreme temperature range, ideal for high-rel applications
Low 0.1 ppb/g low g-sensitivity
- No degradation of performance in harsh environments
70g vibration and 10,000g shock
- Virtually indestructible
Configurable drive strength and rise/fall time
- Optimize EMI to reduce interference to other subsystems
5 industry-standard packages
- 100% drop-in replacement of quartz XO
Ultra-fast lead time (4 to 6 weeks)
- Reduce inventory overhead
- Mitigate shortage risks
- Airborne communications
- Field communications
- Vehicle comms/telemetry
- Avionics
- All ruggedized applications
| Document Name | Type |
|---|---|
| Electronics Industry Citizen Coalition Template | Other Quality Documents |
| Manufacturing Notes for SiTime Products | Other Quality Documents |
| SiTime Conflict Minerals Policy | Other Quality Documents |
| SiTime Environmental Policy | Other Quality Documents |
| SiTime Warranty on Date Code | Other Quality Documents |
| Conflict Minerals Reporting Template | Other Quality Documents |
Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature
Reliability Calculator – Get FIT/MTBF data for various operating conditions
2016 4-Pins | 2520 4-Pins | 3225 4-Pins | 5032 4-Pins – Preview packages with QFN 3D step models
