NCS12D1212C - Murata Electronics

NCS12D1212C Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance?
  Murata recommends a symmetrical PCB layout with a ground plane underneath the oscillator to minimize noise and radiation. A 4-layer PCB with a dedicated ground layer is ideal. Keep the oscillator away from high-frequency components and ensure a clear return path for the oscillator's output signal.
• How do I ensure the oscillator starts up reliably in my design?
  To ensure reliable startup, ensure the power supply voltage is stable and within the recommended range (1.6V to 3.6V). Add a 10nF to 100nF decoupling capacitor between VCC and GND near the oscillator. Also, avoid applying a voltage to the output pin during power-up or power-down.
• What is the maximum frequency deviation due to temperature changes?
  The NCS12D1212C has a frequency deviation of ±20 ppm over the operating temperature range of -40°C to +85°C. This means the frequency can vary by up to ±240 Hz (20 ppm of 12 MHz) due to temperature changes.
• Can I use this oscillator in a high-vibration environment?
  The NCS12D1212C is designed to operate in environments with moderate vibration. However, if your application involves extreme vibration, consider using a more ruggedized oscillator or taking additional measures to secure the oscillator and PCB. Consult Murata's application notes for more information.
• How do I handle ESD protection for this oscillator?
  The NCS12D1212C has built-in ESD protection, but it's still important to follow proper ESD handling procedures during assembly and testing. Use an ESD wrist strap or mat, and ensure the oscillator is not exposed to static electricity during handling or storage.