18QHTF21-19.284519-PD

Oscillators Overview

The 18QHTF21-19.284519-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.284519 MHz with an LVCMOS output signal. The device requires a 1.8V supply voltage and features a power-down standby function. It is housed in a compact 4-SMD, No Lead package measuring 2.0x1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output interface
• Includes enable/disable functionality via standby control
• Compact surface-mount design

Oscillators Applications

• General clock generation for digital circuits
• Embedded system timing references
• Communication module synchronization

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit 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 to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 19.284519 MHz reference is required for low-voltage logic interfaces. The choice depends on the necessity for a small form factor and the availability of a stable 1.8V power source. Consider the specific phase noise characteristics if high-frequency jitter performance is critical for your application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series is characterized by its small 2.0x1.6 mm footprint and compatibility with low-voltage CMOS logic families. It represents a standard solution for timing applications requiring minimal board space and straightforward integration into modern electronic designs.

Oscillators Replacement Considerations

Direct substitutes must match the 19.284519 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify pinout compatibility and electrical parameters such as current consumption and startup time to ensure seamless replacement without redesigning the host circuit.