18QHTF21-114.500-OE

Overview

The 18QHTF21-114.500-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, designed for precise frequency generation in electronic circuits. It operates at a nominal frequency of 114.5 MHz and utilizes LVCMOS output logic levels, ensuring compatibility with standard digital interfaces. The device is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. It supports a supply voltage of 1.8V and includes an enable/disable control function for power management applications.

Feature Summary

• Generates stable 114.5 MHz clock signals using quartz crystal technology
• Outputs LVCMOS compatible logic levels for direct interface with digital components
• Features integrated enable/disable control for efficient power management
• Utilizes a compact 4-SMD no-lead package for automated surface-mount placement

Applications

• High-speed data communication systems requiring precise timing references
• Digital signal processing units needing stable clock sources
• Embedded systems utilizing low-voltage logic interfaces
• Network equipment requiring frequency synchronization

Procurement Notes

Verify the specific suffix (OE vs PD) against the manufacturer's official documentation to confirm pinout configuration and electrical specifications. Ensure the required operating temperature range matches the component's rated limits. Confirm that the 1.8V supply voltage aligns with the target circuit design before procurement. Cross-reference the part number with authorized distributors to ensure authenticity and traceability.

Selection Notes

Select this component when a 114.5 MHz frequency is strictly required for system synchronization. The LVCMOS output makes it suitable for low-voltage digital environments. Consider the 4-SMD package size for PCB space constraints. Verify that the enable/disable feature meets the power cycling requirements of the application. Ensure the manufacturing source is Mercury Electronics Ind. Co. Ltd for guaranteed performance standards.

Part Context

This oscillator belongs to the 18QHTF series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies and packages tailored for different electronic applications. The 114.5 MHz variant provides a specific high-frequency solution within this lineup, catering to niche timing needs in modern electronics where standard frequencies may not suffice.

Replacement Considerations

Direct substitutes must match the 114.5 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Check datasheets for equivalent parts from other manufacturers offering identical electrical characteristics and pin configurations. Verify thermal and mechanical compatibility before substitution.