18QHTF21-86.638-OE

Overview

The 18QHTF21-86.638-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 86.638 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features enable/disable functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is suitable for applications requiring precise timing signals in low-voltage digital circuits.

Feature Summary

• LVCMOS output logic for standard digital interfacing
• Integrated enable/disable control capability
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Low voltage digital circuit timing
• Embedded system clock sources

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 no-lead package footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics and reliability data to ensure compliance with your application standards.

Selection Notes

Select this oscillator when a stable 86.638 MHz clock source is required for LVCMOS-compatible devices. Consider the 1.8V operating voltage and the enable/disable feature for power management needs. Evaluate the physical size constraints to ensure the 2.0x1.6mm package fits within the designated area. Compare performance metrics such as phase noise and stability if available in official documentation to determine suitability for high-precision applications.

Part Context

This component belongs to the 18QHTF21 series of surface mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options. The 'OE' suffix likely denotes a specific output or packaging variant, though exact functional differences require datasheet confirmation. Mercury Electronics specializes in quartz-based frequency control products, leveraging decades of manufacturing expertise in Taiwan.

Replacement Considerations

Direct substitutes may include other 86.638 MHz LVCMOS oscillators in similar packages. Verify pin compatibility and electrical specifications carefully. Alternative part numbers from the same manufacturer, such as those with different frequency ratings but identical form factors, might be considered if frequency adjustments are permissible. Always consult official replacement guides for validated cross-references.