18QHTF21-27.808-OE

Oscillators Overview

The 18QHTF21-27.808-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.808 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, featuring a supply voltage of 1.8V. It includes an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Supports active low or high enable/disable control functionality
• Utilizes a leadless surface-mount package for space-constrained designs

Oscillators Applications

• Clock signal generation for embedded systems
• Timing reference for communication interfaces
• Power management circuits requiring precise frequency control

Oscillators Procurement Notes

Verify the specific suffix 'OE' against the manufacturer's official documentation to confirm the enable/disable pin configuration and voltage levels. Ensure the ordering information matches the exact frequency tolerance and load capacitance requirements for the target circuit design before finalizing procurement.

Oscillators Selection Notes

Select this component when a low-profile, leadless oscillator is required for 1.8V logic systems. Consider the 2.0x1.6 mm footprint constraints and the necessity for an enable pin during board layout. Validate thermal performance and frequency stability specifications against the application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series includes various XO, TCXO, and VCXO options. This specific model represents a standard crystal oscillator variant within their portfolio of timing solutions.

Oscillators Replacement Considerations

Check for direct substitutes such as the 18QHTF21-27.808-PD, noting that different suffixes may indicate variations in packaging or specific electrical characteristics. Verify pinout compatibility and parameter alignment before substitution.