18QHTF21-6.369-OE

Overview

The 18QHTF21-6.369-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 6.369 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. It is housed in a 4-SMD, no lead package. The component supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.

Feature Summary

• Integrates an enable/disable control function for power management
• Provides LVCMOS output logic compatible with low-voltage digital systems
• Designed for surface-mount assembly using a compact 4-SMD no lead package

Applications

• General-purpose clock signal generation in electronic circuits
• Timing reference sources for embedded systems
• Low-voltage digital interface synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the 4-SMD no lead package footprint matches the PCB layout specifications. Check the manufacturer datasheet for detailed electrical characteristics and reliability data to ensure compliance with operational standards.

Selection Notes

Select this component when a precise 6.369 MHz timing source is required for low-voltage applications. The LVCMOS output ensures compatibility with standard digital logic families. The enable/disable feature allows for dynamic power control, which is beneficial for battery-operated devices. Consider the ±50ppm stability requirement to ensure it meets the jitter and accuracy needs of the specific application environment.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies while maintaining consistent package dimensions and electrical interfaces. The 'OE' suffix typically denotes a specific ordering or packaging variant within the manufacturer's catalog. These components are designed to provide reliable timing solutions for consumer electronics and industrial equipment requiring stable clock signals.

Replacement Considerations

Direct replacements must match the 6.369 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no lead package. Verify that substitute parts offer equivalent frequency stability and operating temperature ranges. Cross-reference pin configurations to ensure compatibility with existing PCB footprints without redesigning the board layout.