Aerospace & Defense

Engineered for the world’s toughest applications

Timing devices provide the heartbeat in mission-critical electronic equipment. These devices must reliably operate in the harshest environments.

If timing fails…

  • Receivers lose lock to satellites
  • Navigation systems can receive the wrong coordinates
  • The mission can be compromised

Our ruggedized Endura™ MEMS timing solutions, with up to 50 times better acceleration sensitivity, provide the robustness and reliability needed to operate in the most rugged conditions. Endura products conform to MIL-PRF-55310 specifications and can be up-screened in accordance with standard or custom flows.

Best shock and vibration immunity
0.009 ppb/g (typ) acceleration sensitivity
30,000g shock and 70g vibration
Built for MIL spec
Compliant with MIL-PRF-55310
<1 DPPM FIT (failures in time)
Best dynamic performance
Frequency slope (ΔF/ΔT): 0.9 ppb/°C
ADEV: 1.5e-11, 10s averaging time
PSNR: 0.2 ps/mV

Applications

Satcom

Lowest acceleration sensitivity, better shock/vibration resistance

Learn More: LEO SATCOM

Featured Parts: SiT5346, SiT5347, SiT5348, SiT5349, SiT5146, SiT5147
Vehicle comms/telemetry

Best frequency slope (ΔF/ΔT) over all conditions

Learn More: Vehicle Comms

Featured Parts: SiT5147, SiT5347SiT8945, SiT9045, SiT2045
Land mobile radio

Wide temperature range, better shock and vibration immunity

Learn More: Manpack Radio

Featured Parts: SiT5147, SiT3342SiT5349, SiT5347
GNSS/navigation

Maintains satellite lock under harsh conditions

Learn More: Ruggedized GNSS

Featured Parts: SiT5346, SiT5347, SiT5348, SiT5349, SiT5146, SiT5147
Unmanned Aerial Vehicles

Lowest acceleration sensitivity, better shock/vibration resistance

Learn More: UAVs

Featured Parts: SiT5346SiT5348SiT9346, SiT8944, SiT1580
Field communications

Wide temperature range

Featured Parts: SiT5347, SiT5349, SiT8945, SiT2045, SiT3541
Avionics

Resistant to vibration and ambient pressure

Featured Parts: SiT8944, SiT8945, SiT2044, SiT2045, SiT5146, SiT9045
Aerospace

Better shock and vibration resistance

Featured Parts: SiT5146, SiT5346, SiT9346

Features & Benefits

endura packages

Endura Timing Solutions

Lowest acceleration sensitivity

Highest mechanical shock and vibration resistance

Superior dynamic performance under airflow, thermal gradients, pressure, power supply noise

Standard or custom up-screening flows
 

 

Customer Design Example

SiTime MEMS Timing Solution to Support Raytheon’s Precision Guidance System 
Learn More...

Endura Super-TCXOs

  • Precision timing over high temperature | ±100 ppb up to 105°C
  • Airflow and thermal shock resistant  | 1 ppb/°C
  • Low acceleration sensitivity | 0.009 ppb/g or 0.1 ppb/g
     

Endura Single Ended Oscillators

  • Vibration resistant | 0.1 ppb/g 
  • Wide operating temperature | -55 to +125°C
  • Small industry-standard packages | as small as 2.0 mm x 1.6 mm
     

Endura Spread Spectrum Oscillators

  • Electromagnetic interference (EMI) reduction | up to 30 dB
  • Vibration resistant | 0.1 ppb/g 
  • Wide operating temperature | -55 to +125°C
  • Small industry-standard packages | as small as 2.0 mm x 1.6 mm
     

Endura Differential Oscillators

  • Low jitter | 0.2 ps RMS (12k to 20MHz)
  • Precise frequency steering | digital tuning to ±5 ppt
  • Vibration resistant | 0.1 ppb/g 
  • Industry-standard packages | as small as 3.2 mm x 2.5 mm

Endura DCXOs (digitally controlled oscillators)

  • Immune to analog noise | in-system programmable via I2C
  • Wide pull range | up to ±3200 ppm
  • Precise frequency steering | digital tuning to ±5 ppt
  • Best pull range linearity | <1%
  • Low jitter | 0.2 ps RMS (12k to 20MHz)
     

Endura VCXOs (voltage controlled oscillators)

  • Wide pull range | ±25  to ±3200 ppm
  • Low jitter | 0.2 ps RMS (12k to 20MHz)
  • Best pull range linearity | <1%
  • Low power supply noise rejection (PSNR) | 0.05 ps/mV

Related Resources

White Papers

Building Robust Aerospace and Defense Products with Ruggedized Endura…

Brochures/Fliers

Timing Solutions for Aerospace & Defense

Application Briefs

LEO Satellite Communication

Application Briefs

Land Defense Vehicle Communications

Application Briefs

Tactical Manpack Radios

Application Briefs

Ruggedized GNSS Applications

Application Briefs

Smart Guided Munition

Application Briefs

Unmanned Aerial Vehicles