SIT3373AI-1E9-25NZ245.760000

Oscillators Overview

The SIT3373AI-1E9-25NZ245.760000 is a MEMS-based Voltage Controlled Crystal Oscillator (VCXO) operating at 245.76 MHz. It features LVPECL output signaling and requires a 2.5V supply voltage. The device is housed in a compact 6-SMD, No Lead Exposed Pad package with dimensions of 7.00mm x 5.00mm. It offers a frequency stability of ±35ppm and supports an absolute pull range of ±3160ppm. The operational temperature range spans from -40°C to +85°C.

Oscillators Feature Summary

• Utilizes SiTime’s DualMEMS temperature sensing and TurboCompensation technology for resistance to thermal gradients, shock, and vibration.
• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for external LDOs.
• Factory programmable architecture allows customization of frequency, stability, voltage, and output signaling.

Oscillators Applications

• Telecommunications equipment requiring precise clocking
• Networking infrastructure components
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the specific ordering suffix to confirm voltage levels and output types, as variations exist within the SIT3373 series. Ensure compatibility with the required LVPECL interface and 2.5V supply constraints. Confirm that the exposed pad package type matches the PCB footprint design. Cross-reference the part number against official SiTime documentation to validate the exact frequency and stability specifications before integration.

Oscillators Selection Notes

Select this component when low jitter and high dynamic performance are critical in electrically noisy environments. The integrated power regulation simplifies board layout by removing external filtering requirements. Consider the wide programmability if standard quartz options do not meet specific frequency or stability needs. The MEMS construction provides superior robustness against mechanical stress compared to traditional crystal oscillators.

Oscillators Part Context

This oscillator belongs to the SiT3373 Elite Platform family, designed for high-performance timing solutions. The series leverages silicon MEMS technology to replace traditional quartz devices, offering greater supply chain flexibility and shorter lead times. The platform supports millions of part numbers through factory programming, enabling rapid deployment of customized timing signals across various electronic systems.

Oscillators Replacement Considerations

Direct substitutes include other variants in the SIT3373 series such as SIT3373AI-1E9-33NZ245.760000 for 3.3V operation. Verify pinout compatibility and electrical characteristics when replacing with different output signaling types like LVDS or HCMOS. Ensure the replacement maintains the required pull range and stability metrics for the specific application.