18QHTF21-57.443667-PD

Overview

The 18QHTF21-57.443667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.443667 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• Supports standby mode for power reduction
• Utilizes LVCMOS output interface
• Designed for surface-mount integration

Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment modules

Procurement Notes

Verify the exact part number against official Mercury Electronics documentation to ensure compatibility with system requirements. Confirm that the 1.8V supply voltage and LVCMOS logic levels align with the target circuit design. Check for any specific handling instructions related to the 4-SMD no-lead package during assembly.

Selection Notes

Select this component when a precise 57.443667 MHz clock source is required with low power consumption capabilities. The 1.8V operating voltage makes it suitable for modern low-voltage digital systems. Ensure the application can accommodate the standby feature if power efficiency is a priority.

Part Context

This model belongs to the QHTF series of oscillators from Mercury Electronics, which specializes in quartz-based frequency control products. The series typically offers standard XO configurations with various output voltages and packages, catering to diverse industrial and consumer electronics needs.

Replacement Considerations

Consult official Mercury Electronics substitution guides for compatible alternatives. Verify that any replacement matches the 57.443667 MHz frequency, 1.8V supply, and LVCMOS output specifications.