18QHTF21-40.680-OE

Oscillators Overview

The 18QHTF21-40.680-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.68 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Digital circuit synchronization

Oscillators Procurement Notes

Verify the specific part number 18QHTF21-40.680-OE against official Mercury Electronics documentation to confirm the 40.68 MHz frequency and 1.8V operating voltage. Ensure the LVCMOS output type matches the target circuit requirements. Confirm the 4-SMD no-lead package dimensions align with the PCB footprint design before procurement.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS compatibility. The enable/disable feature allows for power management in battery-operated devices. Consider the small form factor of the 4-SMD package for space-constrained designs. Verify that the standard oscillator performance meets the jitter and stability needs of the application.

Oscillators Part Context

This model belongs to the Mercury Electronics series of quartz-based oscillators. The company specializes in frequency control products, leveraging decades of experience in crystal manufacturing. This specific unit represents a standard XO variant optimized for modern low-voltage digital systems.

Oscillators Replacement Considerations

Consult official Mercury Electronics substitution guides for compatible alternatives. Cross-reference specifications such as frequency, voltage, and package type when evaluating potential replacements to ensure functional equivalence.