SIT3373AI-1E9-33NZ281.000000

Oscillators Overview

The SIT3373AI-1E9-33NZ281.000000 is a MEMS VCXO from the SiT3373 Elite Platform series, operating at a nominal frequency of 281 MHz. It features LVPECL differential output and requires a 3.3V supply voltage. The device utilizes a 6-SMD, No Lead Exposed Pad package with dimensions of 7.00mm x 5.00mm and a maximum seated height of 1.00mm. It supports an operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Utilizes DualMEMS technology for low-jitter performance in high-frequency applications
• Provides differential LVPECL output signals suitable for demanding clock distribution
• Offers programmable frequency control within the specified absolute pull range

Oscillators Applications

• High-speed serial communication interfaces requiring precise clocking
• Data acquisition systems needing stable voltage-controlled oscillation
• Telecommunications equipment utilizing differential clock signals

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm output type, frequency tolerance, and packaging details. Ensure the selected variant matches the required supply voltage and operational temperature range for the target application environment before finalizing procurement.

Oscillators Selection Notes

Select this component when a differential LVPECL output is required alongside voltage-controlled frequency adjustment. Consider the 281 MHz nominal frequency and ±170ppm APR if applicable to similar variants, ensuring compatibility with downstream logic levels and power supply constraints within the system design.

Oscillators Part Context

This part belongs to the SiTime SiT3373 family, which are ultra-low jitter differential MEMS VCXOs designed for frequencies between 220 MHz and 725 MHz. The Elite Platform provides high reliability and programmability, replacing traditional quartz solutions in compact surface-mount packages for advanced timing applications.

Oscillators Replacement Considerations

Direct substitutes may include other SiT3373 variants with matching LVPECL outputs and similar frequency ranges. Verify pinout compatibility and electrical specifications such as supply voltage and phase noise characteristics when considering alternative models from the same or competing manufacturers.