18QHTF21-13.888889-OE

Oscillators Overview

The 18QHTF21-13.888889-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.888889 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports active low or high enable/disable functionality for power management
• Provides stable clock signals via LVCMOS output interface
• Utilizes a leadless SMD package for automated assembly compatibility

Oscillators Applications

• Digital signal processing circuits
• Communication equipment timing references
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions specified in the official datasheet to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a precise 13.888889 MHz reference is required for LVCMOS-compatible digital logic. Consider the enable pin utility if power conservation is necessary during idle states. Evaluate the thermal performance and operating temperature range to ensure reliability within the intended environmental conditions of the final application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small form factor. These components are engineered for consumer electronics and industrial applications where space constraints and consistent clock accuracy are critical design parameters.

Oscillators Replacement Considerations

Direct replacements must match the 13.888889 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as jitter and phase noise to ensure seamless integration without redesigning the host circuit board.