18QHTF21-54.400-OE

Oscillators Overview

The 18QHTF21-54.400-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 54.4 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Utilizes a leadless SMD package for surface-mount integration

Oscillators Applications

• General clock signal generation in electronic circuits
• Synchronization in data communication systems
• Timing reference for microcontroller-based designs

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply voltage aligns with the available power rails in the application environment. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions specified in the official datasheet to guarantee proper soldering and mechanical stability during operation.

Oscillators Selection Notes

Select this component when a precise 54.4 MHz timing source is required for LVCMOS-compatible digital logic. Consider the enable/disable feature if power efficiency is critical for the end product. Evaluate the operating temperature range specifications to ensure reliability under the expected environmental conditions of the deployment scenario.

Oscillators Part Context

This model belongs to the 18QHTF series of oscillators from Mercury Electronics, which specializes in quartz crystal and frequency control products. The series typically offers various frequencies and package options. Mercury Electronic has a long history in manufacturing frequency control components, positioning this part within their standard XO lineup for general-purpose timing applications.

Oscillators Replacement Considerations

Direct substitutes include other 54.4 MHz LVCMOS oscillators in similar packages from different manufacturers, provided electrical parameters match. Cross-reference with models like 18QHTF21-54.400-PD if pinout or package variations are acceptable. Always verify voltage levels and output drive strength before substitution.