SIT9120AI-2B3-XXS166.660000

Oscillators Overview

The SIT9120AI-2B3-XXS166.660000 is a programmable MEMS oscillator manufactured by SiTime, operating at a nominal frequency of 166.66 MHz. It utilizes LVDS output signaling and supports a supply voltage range of 2.25V to 3.63V. The device features a standby function for power management and is housed in a compact 6-SMD, No Lead package with dimensions of 3.2mm x 2.5mm. It offers frequency stability of ±50ppm and operates within an industrial temperature range of -40°C to +85°C.

Oscillators Feature Summary

• MEMS-based resonator technology providing robust performance
• LVDS differential output interface for high-speed signal integrity
• Integrated standby mode for active power-down control
• Programmable architecture allowing customized frequency configurations

Oscillators Applications

• High-speed serial communication interfaces requiring precise clocking
• Data acquisition systems demanding stable timing references
• Industrial equipment utilizing LVDS-compatible logic families
• Network infrastructure components needing low-jitter signals

Oscillators Procurement Notes

Verify the specific suffix codes against the official SiTime datasheet to ensure compatibility with required voltage levels and output types. Confirm that the XX placeholder in the model number corresponds to the exact pinout and configuration intended for your design. Cross-reference the package outline drawing to validate PCB footprint alignment before finalizing procurement orders.

Oscillators Selection Notes

Select this component when LVDS outputs are required for noise immunity in dense circuit layouts. Ensure the operating environment stays within the specified -40°C to +85°C range. Consider the ±50ppm stability requirement against system jitter budgets. Verify that the 2.25V to 3.63V supply range matches the available power rails in the target application without additional regulation.

Oscillators Part Context

This part belongs to the SiT9120 series of programmable MEMS oscillators from SiTime. The series is characterized by its replaceability of traditional quartz crystals with smaller, more durable MEMS alternatives. The AI designation typically indicates specific automotive or extended industrial grade capabilities within the broader product family.

Oscillators Replacement Considerations

Direct replacements include other SiT9120 variants with matching 166.66 MHz frequencies and LVDS outputs. Check for identical package dimensions (3.2x2.5mm) and pin assignments to ensure mechanical compatibility. Verify that alternative parts support the same 2.25V-3.63V supply range and standby functionality.