18QHTF21-22.4448-PD

Oscillators Overview

The 18QHTF21-22.4448-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 22.4448 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a power-down feature for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm by 1.6mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Supports active standby operation via power-down control pin
• Utilizes a surface-mount 4-SMD no-lead package for automated assembly

Oscillators Applications

• Digital clock signal generation for embedded systems
• Timing reference for microcontroller-based circuits
• Synchronization sources for communication interfaces

Oscillators 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 power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions to prevent mounting issues during assembly.

Oscillators Selection Notes

Select this component when a precise 22.4448 MHz timing source is required for low-voltage digital applications. The choice depends on the necessity for LVCMOS outputs and the availability of a power-down control mechanism for energy management. Evaluate the thermal performance within the specified operating temperature range to ensure stability under varying environmental conditions.

Oscillators Part Context

This oscillator belongs to the AMPMODU series from Mercury Electronics, which focuses on frequency control products. The manufacturer has established expertise in crystal industry solutions since 1973. This specific model represents a standard XO variant optimized for compact electronic designs requiring reliable timing signals.

Oscillators Replacement Considerations

Direct substitutes include other 22.4448 MHz LVCMOS oscillators in identical 2.0x1.6mm packages from compatible manufacturers. Verify electrical parameters such as supply voltage and output swing to ensure functional equivalence without circuit modification.