18QHTF21-61.440-OE

Overview

The 18QHTF21-61.440-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 61.44 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Feature Summary

• Supports active enable and disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed with a leadless SMD package for automated assembly

Applications

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

Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to ensure correct voltage and enable pin configuration. Confirm that the 4-SMD no-lead footprint matches the target PCB design guidelines. Check datasheet specifications for operating temperature range and load capacitance requirements before finalizing component selection for production.

Selection Notes

Select this component when a 61.44 MHz reference is required for LVCMOS-compatible circuits. Ensure the system design supports the 1.8V supply rail and accommodates the enable/disable control signal. Verify thermal performance within the specified operating temperature range and confirm mechanical fit within the designated 4-SMD no-lead space constraints.

Part Context

This oscillator belongs to Mercury Electronics' standard XO series, which provides reliable quartz-based timing solutions. The manufacturer specializes in frequency control products including crystals and oscillators, leveraging decades of experience in Taiwan's quartz industry to produce components for various electronic applications.

Replacement Considerations

Cross-reference part numbers such as 18QHTF21-8.640-OE or 18QHTF21-8.300-OE only if different frequencies are needed while maintaining identical package and electrical characteristics. Direct substitution requires matching all pin definitions and operational parameters.