SIT3373AC-4B9-25NE622.000000

Oscillators Overview

The SiTime SIT3373AC-4B9-25NE622.000000 is a differential MEMS voltage-controlled oscillator (VCXO) operating at a nominal frequency of 622 MHz. It utilizes HCSL output signaling and functions within a supply voltage range of 2.5 V. The device features an absolute pull range of ±35 ppm with a frequency stability of ±25 ppm across the industrial temperature range of -20°C to +70°C. Packaged in a 6-pin surface-mount no-lead form factor, it integrates on-chip regulators to filter power supply noise.

Oscillators Feature Summary

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

Oscillators Applications

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

Oscillators Procurement Notes

Verify the exact ordering suffix against the manufacturer's current datasheet to ensure alignment with required electrical parameters such as pull range and stability. Confirm that the specified package type and temperature range match the target application requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when low-jitter differential clocking is required in electrically noisy environments. The integrated noise filtering simplifies board design by removing external LDO dependencies. Ensure the HCSL output interface is compatible with the receiving device inputs and that the ±35 ppm pull range meets system tuning specifications.

Oscillators Part Context

This part belongs to the SiT3373 family of ultra-low jitter differential VCXOs. The series supports frequencies from 1 MHz to 725 MHz and offers multiple output types including LVPECL, LVDS, and HCSL. These devices are engineered for telecom, networking, and industrial sectors needing customizable clock solutions without quartz customization lead times.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative MEMS oscillators from other manufacturers.