SIT3372AI-4B2-25NC74.250000

Oscillators Overview

The SIT3372AI-4B2-25NC74.250000 is a MEMS VCXO oscillator operating at 74.25 MHz with HCSL output format. It features a frequency stability of ±25 ppm and an absolute pull range of ±20 ppm. The device operates on a 2.5 V supply, within a voltage range of 2.25 V to 2.75 V. It utilizes a 6-SMD, no-lead package measuring 3.2 mm x 2.5 mm x 0.90 mm. The operational temperature range spans from -40°C to +85°C.

Oscillators Feature Summary

• Voltage-controlled operation for precise frequency tuning
• HCSL output interface for high-speed signaling compatibility
• MEMS technology providing robustness against shock and vibration

Oscillators Applications

• High-speed networking equipment
• Telecommunications systems
• Data transmission interfaces

Oscillators Procurement Notes

Verify the specific suffix 'C' in the part number against official SiTime documentation to confirm the exact temperature grade and package variant. Ensure the 2.5V supply requirement aligns with the target system design. Confirm the HCSL output format matches the receiving logic levels. Cross-reference the 6-SMD no-lead footprint dimensions with PCB layout guidelines.

Oscillators Selection Notes

Select this component when a voltage-controlled reference is required at 74.25 MHz. The HCSL output suits applications needing compatible differential signaling without external termination resistors. The wide industrial temperature range supports demanding environments. Verify that the ±20 ppm pull range meets the system's jitter and synchronization requirements.

Oscillators Part Context

This model belongs to the SiT3372 Elite Platform series, designed for high-performance timing applications. It leverages silicon MEMS technology to replace traditional quartz crystals, offering superior reliability and programmability. The VCXO variant allows for dynamic frequency adjustment, essential for clock recovery and synchronization tasks in complex digital systems.

Oscillators Replacement Considerations

Direct substitutes include other SiT3372 variants with matching frequency and output format, such as SIT3372AI-4B2-25NY74.250000 or SIT3372AI-4B2-33NX74.250000, provided voltage and temperature ranges are compatible. Verify pinout and electrical specifications before substitution.