SIT8208AC-3F-33E-19.440000Y

Oscillators Overview

The SiTime SIT8208AC-3F-33E-19.440000Y is a MEMS-based standard XO oscillator operating at 19.44 MHz. It features LVCMOS and LVTTL output formats with a supply voltage of 3.3V. The device provides ±10 ppm frequency stability across an extended commercial temperature range of -20°C to +70°C. It utilizes a 4-SMD, no-lead footprint measuring 2.7mm x 2.4mm with a maximum height of 0.80mm. Typical integrated RMS phase jitter is 500 femtoseconds within the 12 kHz to 20 MHz bandwidth.

Oscillators Feature Summary

• MEMS resonator technology providing superior shock and vibration resistance compared to quartz alternatives
• Configurable enable/disable functionality for power management optimization
• EMI reduction capabilities through spread-spectrum modulation options
• Direct pin-to-pin compatibility with legacy quartz oscillator form factors

Oscillators Applications

• High-speed serial interface standards including SATA and SAS controllers
• Ethernet networking equipment and telecommunications infrastructure
• PCI Express peripheral connections and computing system clocks
• Video transmission systems and wireless communication modules

Oscillators Procurement Notes

Verify that the specific suffix codes match the required voltage, package dimensions, and temperature grade. Confirm the presence of the enable pin configuration if power control is necessary for the design. Ensure the ordering suffix aligns with the desired tape and reel quantity specifications for manufacturing integration.

Oscillators Selection Notes

Select this model when a 19.44 MHz clock signal is required with strict ±10 ppm stability constraints. Choose the 3.3V supply variant for standard logic level compatibility. Consider the 4-SMD package size for space-constrained PCB layouts requiring surface mount assembly without leaded components.

Oscillators Part Context

This component belongs to the SiT8208 series, which represents SiTime's ultra-performance MEMS oscillators. The series supports frequencies from 1 to 80 MHz with industry-leading jitter performance. It serves as a drop-in replacement for quartz, SAW, and overtone oscillators in demanding industrial and commercial applications.

Oscillators Replacement Considerations

• SIT8208AC-3F-33E-19.440000X

Oscillators FAQ

Does this oscillator support an active low or high enable signal?

The datasheet specifies an Enable/Disable function but does not explicitly define the logic polarity (active high vs. active low) in the provided summary data; verification against the full electrical characteristics table is recommended.

What is the typical phase jitter performance of this device?

The SiT8208 series typically achieves 500 femtoseconds of integrated RMS phase jitter measured between 12 kHz and 20 MHz offset frequencies.