18QHTF21-77.0325-OE

Overview

The 18QHTF21-77.0325-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 77.0325 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable functionality for power management
• Utilizes a leadless SMD package for automated surface-mount assembly

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific suffix designation against official Mercury Electronics documentation to ensure correct configuration. Confirm that the required operating temperature range and load capacitance specifications align with the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a stable 77.0325 MHz reference is required with low-voltage operation. Ensure the host circuit supports LVCMOS levels and provides the necessary enable control signals. Verify physical footprint compatibility with the 4-SMD no-lead package constraints.

Part Context

This model belongs to the Mercury Electronics XO series, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry, providing reliable oscillators for various electronic applications requiring precise frequency stability.

Replacement Considerations

Cross-reference part numbers such as 18QHTF21-77.0325-PD for potential alternative configurations within the same product family. Verify pinout and electrical parameters match before substituting.