18QHTF21-24.4959-OE

Oscillators Overview

The 18QHTF21-24.4959-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 24.4959 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an Enable/Disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Enable/Disable functionality for active power control
• Utilizes quartz-based resonance for stable frequency generation

Oscillators Applications

• General-purpose timing reference in electronic circuits
• Clock signal generation for embedded systems
• Digital communication interfaces requiring standard frequency sources

Oscillators Procurement Notes

Verify the specific part number suffix against official Mercury Electronics documentation to ensure correct voltage and enable/disable configuration. Confirm that the 4-SMD no-lead package dimensions align with your PCB footprint requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 24.4959 MHz clock source is required with low-voltage operation. Ensure the design accommodates the Enable/Disable pin functionality if power saving is necessary. Verify that the LVCMOS output swing matches the input thresholds of the downstream load circuitry.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The 18QHTF21 prefix indicates a specific form factor and performance class within their portfolio, distinct from differential or spread-spectrum variants found in other product lines.

Oscillators Replacement Considerations

Direct substitutes include other 24.4959 MHz LVCMOS oscillators in 4-SMD packages with 1.8V supply and enable pins. Cross-reference electrical parameters such as phase noise and load capacitance to ensure functional equivalence.