18QHTF21-57.2727-OE

Overview

The 18QHTF21-57.2727-OE is a quartz crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 57.2727 MHz and utilizes LVCMOS output logic. The device functions with a 1.8V supply voltage and includes enable/disable control capabilities. It is housed in a compact 4-SMD package without lead, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic compatibility
• Integrated enable and disable functionality
• Low voltage operation at 1.8V

Applications

• High-performance digital systems
• Communication equipment timing
• Embedded processor clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance.

Selection Notes

Select this component when a 57.2727 MHz clock signal is required with low power consumption. Ensure the host circuit supports LVCMOS levels and provides the necessary enable control signals. Verify package compatibility with the PCB footprint.

Part Context

This part belongs to the 18QHTF21 series of standard XO oscillators from Mercury Electronics. The series offers various frequencies with consistent 4-SMD packaging and 1.8V operation, providing a standardized solution for timing needs across different product lines.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinouts and electrical characteristics but different frequencies, such as the 18QHTF21-50.256-OE or 18QHTF21-57.200-OE, provided the system clock requirement changes accordingly.