18QHTF21-19.4445-OE

Oscillators Overview

The 18QHTF21-19.4445-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.4445 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes Enable/Disable control functionality. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable control capability
• Compact 4-SMD no lead package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

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 power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics to guarantee compatibility with your application environment.

Oscillators Selection Notes

Select this component when a stable 19.4445 MHz clock source is required for low-voltage digital systems. The LVCMOS output ensures compatibility with standard logic families operating at 1.8V. The enable/disable feature allows for power management optimization. Consider the small form factor for space-constrained designs. Verify thermal performance and stability requirements against the official datasheet parameters.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. Mercury Electronic has been manufacturing frequency control products since 1973, specializing in quartz crystals and oscillators. This specific model provides a fixed frequency solution for timing applications.

Oscillators Replacement Considerations

Direct replacements must match the 19.4445 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check Mercury Electronics documentation for alternative part numbers within the same series that offer compatible electrical characteristics and pin configurations.