18QHTF21-66.333-PD

Overview

The 18QHTF21-66.333-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 66.333 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output interface
• Standby power down capability
• Compact 4-SMD no lead package

Applications

• General purpose clock generation
• Digital signal processing systems
• Communication equipment timing

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific RoHS compliance documentation if required by your manufacturing standards.

Selection Notes

Select this component when a precise 66.333 MHz clock source is required with low power consumption. The LVCMOS output ensures compatibility with standard digital logic families. Consider the standby feature for energy efficiency in battery-operated devices. Verify thermal performance within the intended operating environment.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This series offers various frequency options within a small form factor, catering to modern electronic designs requiring reliable timing solutions.

Replacement Considerations

Direct substitutes may include other 66.333 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers. Ensure equivalent electrical specifications such as supply voltage and output drive strength are matched. Verify mechanical dimensions for board space compatibility.