SIT3373AC-4E9-33NU622.080000

Oscillators Overview

The SIT3373AC-4E9-33NU622.080000 is a MEMS-based Voltage-Controlled Crystal Oscillator (VCXO) from SiTime’s Elite Platform, operating at a nominal frequency of 622.08 MHz. It features HCSL differential outputs and requires a 3.3V 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 supports an operating temperature range of -20°C to +70°C and offers frequency stability specifications including ±35ppm over the specified temperature range.

Oscillators Feature Summary

• Utilizes DualMEMS technology for enhanced reliability and low-jitter performance compared to traditional quartz solutions.
• Provides differential HCSL output signaling suitable for high-speed digital interfaces.
• Offers programmable frequency control via voltage input characteristic of VCXO architecture.

Oscillators Applications

• High-speed serial communication links requiring precise clock generation
• Data acquisition systems needing low-jitter timing references
• Telecommunications equipment utilizing standard HD-SDI or similar video rates

Oscillators Procurement Notes

Verify that the specific ordering suffix matches the required output type and tolerance. Confirm the package variant aligns with PCB footprint requirements. Ensure the temperature grade meets environmental constraints. Cross-reference the datasheet for pinout compatibility before integration. Validate RoHS compliance status if required by project specifications.

Oscillators Selection Notes

Select this component when a differential HCSL output is mandatory for the system interface. Consider the ±35ppm stability requirement against system jitter budgets. Evaluate the 622.08 MHz frequency against available alternative standard frequencies. Assess the 3.3V supply constraint against existing power rails. Compare the 7x5mm package size against available board real estate.

Oscillators Part Context

This part belongs to the SiT3373 series, designed as a direct replacement for quartz VCXOs in the 220 MHz to 725 MHz range. The Elite Platform designation indicates advanced MEMS capabilities. It serves as a drop-in solution for applications previously reliant on discrete crystal oscillators, offering improved shock and vibration resistance.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not provided in the source documentation. Verify pinout and electrical parameters against legacy quartz components before substitution. Check for equivalent frequency and output logic family compatibility.