18QHTF21-44.260-OE

Oscillators Overview

The 18QHTF21-44.260-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 44.26 MHz with a frequency stability of 50 ppm. The device utilizes LVCMOS output logic and requires a supply voltage of 1.8V, featuring an enable/disable control function. Maximum current consumption is specified at 23 mA. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Includes hardware enable and disable functionality for power management
• Utilizes a base crystal resonator for stable frequency generation

Oscillators Applications

• Digital signal processing systems requiring precise clock synchronization
• Communication equipment utilizing standard frequency references
• Embedded systems with low-voltage logic requirements

Oscillators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct frequency and package configuration. Confirm that the LVCMOS output type and 1.8V supply voltage align with the target circuit design specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 44.26 MHz reference signal is required with strict 50 ppm stability limits. Ensure the host system supports 1.8V logic levels and can accommodate the 23 mA maximum supply current. The small form factor makes it appropriate for space-constrained printed circuit board layouts.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry, producing components that meet standard industrial timing requirements for various electronic applications.

Oscillators Replacement Considerations

Direct substitutes must match the 44.26 MHz frequency, 1.8V LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before implementing any alternative part numbers.