SIT3373AI-4B3-28NG614.000000

Oscillators Overview

The SiTime SIT3373AI-4B3-28NG614.000000 is a MEMS voltage-controlled oscillator (VCXO) operating at a frequency of 614 MHz. It utilizes HCSL output signaling and requires a supply voltage of 2.8V. The device is housed in a 6-SMD, No Lead package. Key electrical specifications include a frequency stability of ±50 ppm and an absolute pull range (APR) of ±95 ppm. The operational temperature range extends from -40°C to +85°C.

Oscillators Feature Summary

• Integrates multiple on-chip regulators to filter power supply noise, eliminating the need for dedicated external LDOs.
• Delivers exceptional dynamic performance with resistance to airflow, thermal gradients, shock, and vibration.
• Factory programmable for specific combinations of frequency, stability, voltage, output signaling, and pull range.

Oscillators Applications

• Telecommunications systems requiring low-jitter clock sources
• Networking equipment demanding precise timing signals
• Industrial applications operating in noisy environments

Oscillators Procurement Notes

Verify the complete part number including suffixes against official SiTime documentation to ensure correct voltage, output type, and frequency specifications. Confirm RoHS compliance status and packaging details directly with authorized distributors or the manufacturer prior to ordering. Cross-reference datasheet parameters with system requirements to validate compatibility.

Oscillators Selection Notes

Select this component when a differential VCXO with HCSL outputs is required for frequencies above 220 MHz. Consider its integrated regulation features for simplified power design. Evaluate the ±95 ppm pull range and ±50 ppm stability against application needs. Ensure the 6-SMD package fits the PCB layout constraints and that the -40°C to +85°C temperature range meets environmental specifications.

Oscillators Part Context

This model belongs to the SiT3373 family of ultra-low jitter differential MEMS VCXOs designed for 220 MHz to 725 MHz ranges. The series leverages DualMEMS temperature sensing and TurboCompensation technology. It replaces quartz oscillators by offering programmability and robustness against mechanical stress and EMI, suitable for telecom and industrial sectors.

Oscillators Replacement Considerations

Consult SiTime's official substitution guide for direct replacements. Generic cross-references may not match the specific HCSL output, 2.8V supply, or ±95 ppm APR characteristics. Verify pinout and electrical parameters before substituting.

Oscillators FAQ

What output signaling format does this specific part use?

The SIT3373AI-4B3-28NG614.000000 uses High-Speed Clock Serial Logic (HCSL) output signaling.

Does this device require an external Low-Dropout Regulator (LDO)?

No, the SiT3373 integrates multiple on-chip regulators to filter power supply noise, removing the need for a dedicated external LDO.