18QHTF21-63.79333-OE

Overview

The 18QHTF21-63.79333-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 63.79333 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output logic compatibility
• Integrated enable and disable functionality
• Compact 4-SMD no lead package design

Applications

• High-performance digital systems requiring precise clocking
• Communication equipment utilizing LVCMOS interfaces
• Embedded systems with low voltage power constraints

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power management architecture. Ensure the 4-SMD footprint matches your PCB layout guidelines. Cross-reference the manufacturer datasheet for detailed electrical characteristics to guarantee signal integrity in your application.

Selection Notes

Select this component when a stable 63.79333 MHz clock source is required for LVCMOS-compatible circuits. The 1.8V operating voltage makes it suitable for modern low-power designs. Consider the enable/disable feature if power management during idle states is necessary. The small form factor supports high-density board layouts where space is limited.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 4-SMD package. The series provides consistent performance across different clock speeds while maintaining uniform physical dimensions. This allows for easier inventory management and design reuse across multiple product lines using different frequency requirements.

Replacement Considerations

Direct substitutes include other 63.79333 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications before swapping. Alternative frequencies may require circuit adjustments. Consult manufacturer cross-reference lists for verified equivalent parts.