SIT8209AC-32-25E-125.000000

Oscillators Overview

The SIT8209AC-32-25E-125.000000 is a MEMS standard clock oscillator operating at a nominal frequency of 125 MHz with ±25 ppm frequency stability. It utilizes LVCMOS/LVTTL output formats and functions within a supply voltage range of 1.71 V to 3.63 V, typically powered at 2.5 V or 3.3 V. The device features an enable/disable control pin and operates across an industrial temperature range from -40°C to +85°C. Packaged in a 5.0 x 3.2 mm 4-pin QFN SMD footprint, it offers ultra-low phase jitter of 0.5 ps (12 kHz to 20 MHz) and supports any frequency between 80.000001 and 220 MHz accurate to 6 decimal places.

Oscillators Feature Summary

• Ultra-low phase jitter performance of 0.5 ps measured between 12 kHz and 20 MHz
• 100% pin-to-pin drop-in replacement capability for quartz-based oscillators
• Outstanding silicon reliability rated at 2 FIT or 500 million hour MTBF
• Configurable frequency accuracy accurate to 6 decimal places within the 80 MHz to 220 MHz range

Oscillators Applications

• SATA and SAS storage interfaces
• Ethernet and 10-Gigabit Ethernet networking
• SONET telecommunications systems
• PCI Express peripheral connections
• Video transmission and wireless computing devices

Oscillators Procurement Notes

Verify the specific package variant matches the required 5.0 x 3.2 mm form factor when sourcing. Confirm that the selected part number includes the necessary enable/disable functionality if system power management requires signal control. Ensure the supply voltage aligns with the 2.5 V or 3.3 V operational requirements specified for this model. Check compliance documentation for Pb-free, RoHS, and REACH standards before final procurement integration.

Oscillators Selection Notes

Select this component when replacing legacy quartz oscillators with a MEMS alternative that maintains identical pin configurations. Choose this model for designs requiring precise frequency stability within the industrial temperature range without the fragility associated with mechanical resonators. Consider this part for applications demanding low jitter performance while maintaining compatibility with standard LVCMOS or LVTTL logic levels.

Oscillators Part Context

This oscillator belongs to the SiT8209 series, which provides high-performance silicon timing solutions. The series is designed to address the limitations of traditional quartz crystals by offering superior shock and vibration resistance. It serves as a direct upgrade path for systems requiring reliable clock generation in compact surface-mount packages.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.