18QHTF21-19.97288-OE

Oscillators Overview

The 18QHTF21-19.97288-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 19.97288 MHz and utilizes an LVCMOS output signal format. The device functions with a supply voltage of 1.8V and includes integrated enable and disable control capabilities for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications in electronic circuits requiring precise clock signals.

Oscillators Feature Summary

• Generates a stable 19.97288 MHz clock signal using LVCMOS logic levels
• Operates on a single 1.8V power supply rail
• Features hardware enable and disable pin control for power optimization
• Utilizes a lead-free 4-SMD surface-mount package for automated assembly

Oscillators Applications

• Digital system clock generation
• Microcontroller timing references
• Communication interface synchronization
• Embedded system timing sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V operating voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific environmental or reliability certifications required for your application.

Oscillators Selection Notes

Select this component when a precise 19.97288 MHz frequency is required with low-voltage operation. Consider the LVCMOS output compatibility with your downstream logic family. Evaluate the enable/disable feature if power conservation during idle states is critical. Compare the physical dimensions of the 4-SMD package against available board space.

Oscillators Part Context

This part belongs to Mercury Electronic's line of standard crystal oscillators. The manufacturer specializes in quartz frequency control products, including crystals, TCXOs, and VCXOs. The 18QHT series typically denotes a specific form factor and performance class within their portfolio, targeting cost-sensitive consumer and industrial electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 19.97288 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent electrical specifications such as phase noise and stability before substitution.