18QHTF21-26.561172-OE

Oscillators Overview

The 18QHTF21-26.561172-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.561172 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 1.8V and features an integrated enable/disable control function. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable/disable functionality for power management
• Utilizes a small form factor 4-SMD no lead package

Oscillators Applications

• Digital signal processing circuits
• Communication equipment clock sources
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific operating voltage and load requirements against your circuit design before procurement. Ensure the PCB footprint matches the 4-SMD no lead package dimensions provided in the official datasheet. Confirm that the enable pin logic aligns with your system's control signals to guarantee proper oscillator activation and standby states during operation.

Oscillators Selection Notes

Select this component when a precise 26.561172 MHz reference is required with low voltage operation. Consider the LVCMOS output swing limits relative to downstream logic inputs. Evaluate the thermal performance and stability requirements of the application to ensure the standard XO specifications meet the environmental constraints of the final product deployment.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series offers various frequency options within a standardized package format. Mercury Electronics is a specialized manufacturer of frequency control products, providing quartz-based timing solutions for industrial and consumer electronics markets globally.

Oscillators Replacement Considerations

Direct substitutes must match the 26.561172 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify electrical parameters such as phase noise and jitter if critical. Cross-reference with other manufacturers offering identical pinouts and functional specifications to ensure mechanical and electrical interchangeability.