SIT9120AI-1B1-XXS133.330000

Oscillators Overview

The SiTime SIT9120AI-1B1-XXS133.330000 is a MEMS-based standard clock oscillator operating at 133.33 MHz with LVPECL output signaling. It functions within a supply voltage range of 2.25 V to 3.63 V and maintains a frequency stability of ±20 ppm across an industrial temperature range of -40°C to +85°C. The device features low phase jitter performance, specifically 0.6 ps RMS random jitter measured over a 12 kHz to 20 MHz bandwidth. Packaged in a compact 6-SMD, no-lead form factor measuring 3.2 mm by 2.5 mm, it supports surface-mount assembly for high-density circuit designs.

Oscillators Feature Summary

• Utilizes silicon MEMS technology for enhanced reliability compared to traditional quartz solutions
• Provides LVPECL output signaling optimized for high-speed digital interfaces
• Delivers ultra-low phase jitter characteristics suitable for precision timing applications

Oscillators Applications

• High-speed data communication systems requiring precise clock synchronization
• Telecommunications infrastructure equipment utilizing LVPECL compatible components
• Industrial control systems operating within extended temperature environments

Oscillators Procurement Notes

Verify the specific suffix codes against official SiTime documentation to ensure correct voltage, package, and frequency specifications. Confirm RoHS compliance status through manufacturer datasheets prior to integration. Cross-reference part numbers with authorized distributors to validate authenticity and avoid counterfeit components. Ensure design compatibility with LVPECL load requirements and power supply constraints.

Oscillators Selection Notes

Select this component when LVPECL output format is required alongside MEMS reliability benefits. Consider the 2.25 V to 3.63 V operating range for flexible power domain integration. Evaluate the 0.6 ps RMS jitter specification against system phase noise budgets. Verify the 3.2 mm x 2.5 mm footprint matches PCB layout constraints and thermal management requirements.

Oscillators Part Context

This model belongs to the SiT9120 series of programmable MEMS oscillators from SiTime. The series offers various output formats including LVDS and LVPECL with frequencies ranging from 25 MHz to 212.5 MHz. The SiT9120 family replaces traditional quartz crystals with silicon-based alternatives for improved shock resistance and lower power consumption in embedded applications.

Oscillators FAQ

What is the RMS phase jitter specification for this oscillator?

The device specifies 0.6 ps RMS random jitter over a bandwidth of 12 kHz to 20 MHz.

Does this part support enable/disable functionality?

Official documentation for the base SiT9120 series indicates standby or power-down capabilities, but specific enable pin configuration depends on the exact suffix variant.