18QHTF21-122.760-OE

Overview

The 18QHTF21-122.760-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 122.76 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features enable/disable functionality for power management
• Utilizes a surface-mount 4-SMD no lead package design

Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded systems with low voltage logic requirements

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Check for RoHS compliance status if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a 122.76 MHz reference is required with LVCMOS outputs. Consider the 1.8V operating voltage for compatibility with low-power logic families. The small 2.0x1.6 mm package suits space-constrained designs. Evaluate the enable pin utility for power-sensitive applications requiring active/inactive states.

Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard XO oscillators. The series offers various frequencies with consistent LVCMOS outputs and enable features. Mercury Electronics specializes in quartz crystal and oscillator manufacturing, providing frequency control solutions for industrial and consumer electronics markets.

Replacement Considerations

Direct substitutes include other 122.76 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify electrical parameters such as supply voltage and output swing. Ensure mechanical dimensions match the 2.0x1.6 mm footprint for board replacement.