18QHTF21-25.5454-OE

Oscillators Overview

The 18QHTF21-25.5454-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 25.5454 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an integrated enable and disable control function to manage power consumption during inactive periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable functionality for power management
• Operates on a single 1.8V power supply rail

Oscillators Applications

• Embedded systems requiring precise clock timing
• Portable electronic devices with strict power constraints
• Digital signal processing circuits

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's power architecture. Ensure the 4-SMD No Lead package dimensions fit within the designated PCB footprint. Cross-reference the datasheet for operating temperature ranges to guarantee reliability under expected environmental conditions.

Oscillators Selection Notes

Select this component when a stable 25.5454 MHz reference is required for LVCMOS-compatible digital logic. The choice is driven by the need for low-voltage operation at 1.8V and the inclusion of an enable pin for dynamic power control. Consider the physical size of the 4-SMD package relative to available board space. Evaluate thermal performance if the application involves high ambient temperatures or dense packaging.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard clock signals for various electronic applications. The manufacturer specializes in quartz-based frequency control products, including crystals, oscillators, and filters. This specific model represents a standard configuration within their portfolio, focusing on reliable timing solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 25.5454 MHz frequency, LVCMOS output type, and 1.8V supply voltage. Verify that any alternative component offers compatible enable/disable functionality and fits the 4-SMD No Lead form factor. Check for equivalent electrical specifications regarding phase noise and jitter if the application demands high precision.