SIT1602BC-81-18S-74.250000

Oscillators Overview

The SiTime SIT1602BC-81-18S-74.250000 is a MEMS standard clock oscillator operating at 74.25 MHz with ±20 ppm frequency stability over the industrial temperature range of -40°C to +85°C. It utilizes a 2.0 mm x 1.6 mm SMD package and supports LVCMOS/HCMOS output formats. The device operates on a 3.3V supply (nominal), with a load capacitance of 15 pF, ensuring low power consumption and high reliability for embedded timing applications.

Oscillators Feature Summary

• MEMS-based architecture providing superior shock and vibration resistance compared to traditional quartz crystals.
• Fully programmable frequency and pinout configuration allowing design flexibility without custom mask sets.
• Integrated voltage regulator and startup circuitry simplifying board layout and reducing component count.

Oscillators Applications

• High-speed data communication interfaces requiring precise clock synchronization.
• Industrial control systems operating in harsh environmental conditions.
• Embedded processing units needing reliable timing sources within compact form factors.

Oscillators Procurement Notes

Verify the specific suffix codes against the manufacturer's current datasheet to confirm voltage, stability, and temperature ratings match your design requirements. Ensure compatibility with your PCB footprint and signal integrity standards before finalizing procurement orders.

Oscillators Selection Notes

Select this model when space constraints require a 2x1.6mm package alongside strict stability needs. Consider alternative frequencies or packages if different voltage levels or wider temperature ranges are required for your specific application environment.

Oscillators Part Context

This part belongs to the SiT1602 family of low-power MEMS oscillators. It replaces discrete crystal resonators and load capacitors, offering a drop-in solution for designs previously using quartz components while improving performance metrics.

Oscillators Replacement Considerations

Direct substitutes include other SiT1602 variants with matching 74.25MHz frequency and 20ppm stability. Verify pinout compatibility and voltage levels when cross-referencing with competitor devices like Si510 or similar MEMS oscillators.

Oscillators FAQ

What is the output format of the SIT1602BC-81-18S-74.250000?

The device supports both LVCMOS and HCMOS output formats, configurable via the programming interface.

Does this oscillator require external load capacitors?

No, the internal circuitry manages the timing requirements, eliminating the need for external load capacitors typically found in quartz solutions.