18QHTF21-75.656-OE

Overview

The 18QHTF21-75.656-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 75.656 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output interface
• Enable/Disable functionality
• Compact SMD package

Applications

• General clock signal generation
• Digital circuit timing
• Embedded system clocks

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your specific design specifications. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints before finalizing procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS compatibility. The enable/disable feature allows for power management in battery-operated devices. Consider the physical dimensions of the 4-SMD package to ensure adequate space on the printed circuit board.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series typically includes various frequencies and packages, catering to diverse electronic timing needs across consumer and industrial electronics sectors.

Replacement Considerations

Check for direct substitutes within the same series offering identical pinouts and electrical characteristics. Verify if alternative manufacturers provide compatible LVCMOS oscillators with matching voltage and frequency specs.