SIT8208AI-8F-18E-32.768000T

Oscillators Overview

The SIT8208AI-8F-18E-32.768000T is a MEMS-based standard clock oscillator manufactured by SiTime, operating at a fixed frequency of 32.768 MHz. It features an LVCMOS/LVTTL output format and operates on a 1.8V supply voltage. The device provides ±10 ppm frequency stability across the industrial temperature range of -40°C to +85°C. Packaged in a compact 3.2 mm x 2.5 mm surface-mount footprint, it offers typical integrated RMS phase jitter of 500 femtoseconds (12 kHz to 20 MHz). This component serves as a pin-to-pin drop-in replacement for legacy quartz oscillators.

Oscillators Feature Summary

• MEMS technology providing superior shock and vibration resistance compared to quartz
• Ultra-low phase jitter performance for high-speed data integrity
• Field-programmable architecture allowing instant sample availability
• Standard 4-pin package compatibility with existing quartz footprints

Oscillators Applications

• Real-time clock (RTC) systems requiring precise 32.768 kHz or derived timing
• Portable consumer devices demanding low power and small form factor
• Industrial control applications needing reliability under environmental stress
• Networking equipment utilizing MEMS oscillators for clock distribution

Oscillators Procurement Notes

Verify the specific suffix codes against the official SiTime datasheet to ensure correct voltage, temperature grade, and packaging configuration. Confirm that the 32.768 MHz frequency aligns with system requirements, as this model is fixed-frequency. Check RoHS compliance status if required by project specifications. Ensure ESD handling procedures are followed during assembly due to the sensitive MEMS structure.

Oscillators Selection Notes

Select this part when replacing quartz crystals in space-constrained designs requiring higher reliability against mechanical shock. The 32.768 MHz frequency is ideal for RTC applications or clock dividers. Consider the ±10 ppm stability sufficient for most digital interfaces. Evaluate the 1.8V supply requirement against available board rails. The industry-standard 3225 package facilitates easy PCB layout migration from traditional components.

Oscillators Part Context

This component belongs to the SiT8208 series of ultra-performance MEMS oscillators. The series covers frequencies from 1 to 80 MHz with various package options including 2520, 3225, 5032, and 7050. The 'AI' designation typically indicates specific commercial/industrial temperature ranges and stability grades within the SiTime product line, offering a robust alternative to SAW and overtone quartz oscillators.

Oscillators Replacement Considerations

SiT8208AI-8F-18E-32.768000X

Oscillators FAQ

What is the typical integrated RMS phase jitter specification?

The typical integrated RMS phase jitter is 500 femtoseconds measured between 12 kHz and 20 MHz.

Is this oscillator compatible with LVCMOS and LVTTL logic levels?

Yes, the SIT8208AI-8F-18E-32.768000T supports both LVCMOS and LVTTL output formats.

Does this part offer pin-to-pin compatibility with quartz oscillators?

Yes, it is designed as a 100% pin-to-pin drop-in replacement for legacy quartz-based oscillators with the same footprint.