18QHTF21-28.500-OE

Oscillators Overview

The 18QHTF21-28.500-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 28.5 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount packaging

Oscillators Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded electronics applications

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics to guarantee reliable operation within your intended environment.

Oscillators Selection Notes

Select this component when a precise 28.5 MHz reference is required with low-voltage operation. The LVCMOS interface ensures compatibility with standard digital logic families. The enable pin allows for dynamic power control, which is beneficial for battery-operated or energy-efficient designs. Consider the small form factor for space-constrained applications requiring high-frequency stability.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount oscillators. The series offers various frequencies and voltage options, all sharing a consistent small-footprint package. Mercury Electronics specializes in quartz frequency control products, providing standardized solutions for industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 28.5 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify equivalent supply voltage (1.8V) and enable functionality. Check mechanical dimensions and pinout compatibility to ensure seamless integration without PCB redesign.