18QHTF21-20.829-OE

Oscillators Overview

The 18QHTF21-20.829-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.829 MHz and utilizes LVCMOS output logic levels. The device supports voltage control via an active-low enable/disable pin, allowing for power management in applications requiring intermittent operation. It is designed for low-voltage systems, specifically operating at 1.8V. The component is housed in a compact 4-SMD, No Lead package with dimensions suitable for space-constrained printed circuit board layouts.

Oscillators Feature Summary

• Supports LVCMOS output signal compatibility
• Features active-low enable/disable functionality
• Designed for 1.8V supply voltage operation

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Consumer electronics requiring precise frequency references
• Embedded systems utilizing low-voltage logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications. Ensure the PCB layout adheres to the recommended footprint for the 4-SMD No Lead package to maintain signal integrity and thermal performance during assembly.

Oscillators Selection Notes

Select this component when a stable 20.829 MHz reference is required for LVCMOS-compatible digital circuits. Consider the enable/disable feature if power conservation is critical for the application. Evaluate the 1.8V operating voltage against available power rails to ensure compatibility without additional level shifting or regulation.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The manufacturer has decades of experience in frequency control products. This series typically offers various frequency options within a standardized small outline package format, catering to diverse timing needs in modern electronic assemblies.

Oscillators Replacement Considerations

Direct substitutes include other 20.829 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution.