SIT8208AI-32-18S-40.500000

Oscillators Overview

The SiTime SIT8208AI-32-18S-40.500000 is a MEMS oscillator operating at 40.5 MHz with ±20 ppm frequency stability across -40°C to +85°C. It utilizes a 5.0 x 3.2 mm SMD package and accepts a supply voltage range of 1.71 V to 1.89 V. The device outputs LVCMOS or LVTTL signals with a maximum current rating of 29 mA and features a 15 pF load capacitance.

Oscillators Feature Summary

• MEMS technology provides robust resistance to shock, vibration, and EMI
• Factory programmable for precise frequency configuration
• Pin-to-pin drop-in replacement for legacy quartz oscillators

Oscillators Applications

• Computing systems requiring stable clock references
• Storage devices needing reliable timing signals
• Networking equipment utilizing standard interface protocols

Oscillators Procurement Notes

Verify the specific suffix codes against official documentation to confirm exact frequency tolerance, temperature range, and output drive strength. Ensure the selected variant matches the required PCB footprint and supply voltage constraints for the target application design.

Oscillators Selection Notes

Select this component when a 40.5 MHz reference is required in a 5x3.2 mm form factor. Confirm that the ±20 ppm stability meets system timing budgets. Verify compatibility with 1.8V logic levels and ensure the LVCMOS/LVTTL output format aligns with the receiving circuit input requirements.

Oscillators Part Context

This part belongs to the SiT8208 series of ultra-performance MEMS oscillators. The series offers high reliability with low phase jitter and wide frequency ranges. It serves as a modern alternative to traditional quartz components, providing enhanced durability and shorter lead times for industrial and commercial designs.

Oscillators Replacement Considerations

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