18QHTF21-19.982-OE

Oscillators Overview

The 18QHTF21-19.982-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.982 MHz and utilizes an LVCMOS output signal format. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm, suitable for surface mount applications.

Oscillators Feature Summary

• Supports LVCMOS output signal format for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a compact 4-SMD no lead surface mount package

Oscillators Applications

• General purpose clock generation in embedded systems
• Timing reference for microcontroller units
• Digital communication interface synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions to guarantee proper assembly and electrical connection.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The enable/disable pin allows for dynamic power management in battery-operated devices. Consider the small form factor for space-constrained designs requiring precise timing signals without complex external components.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The series offers various frequencies within a standardized 2.0x1.6mm package. Mercury has been a pioneer in Taiwan's crystal industry since 1973, providing reliable frequency control solutions for electronic manufacturing.

Oscillators Replacement Considerations

Direct substitutes include other 19.982 MHz XO models from Mercury Electronics with identical 1.8V LVCMOS specifications and 4-SMD packaging. Cross-reference with similar series parts ensuring matching voltage levels and output logic families to maintain circuit compatibility.