18QHTF21-22.450-OE

Oscillators Overview

The 18QHTF21-22.450-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 22.45 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated enable/disable functionality for power control
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 22.45 MHz clock source is required with low voltage operation. The LVCMOS output ensures direct interfacing with standard digital logic families without additional level shifting. The enable pin allows for dynamic power management, making it suitable for battery-operated or energy-efficient designs requiring periodic clock activation.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies within a small form factor. Mercury Electronics specializes in quartz crystals and timing devices, providing reliable frequency control solutions for consumer electronics and industrial applications since its establishment in Taiwan.

Oscillators Replacement Considerations

Direct substitutes include other 22.45 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation and enable pins. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution. Cross-reference with Mercury Electronics' updated product listings for potential newer revisions.