18QHTF21-26.666666-OE

Oscillators Overview

The 18QHTF21-26.666666-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 26.666666 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power optimization
• Utilizes a 4-SMD no-lead surface mount package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure that the 1.8V supply voltage aligns with the system power rails. Confirm that the enable pin logic levels are compatible with the controlling microcontroller or FPGA to ensure proper activation and deactivation sequences during operation.

Oscillators Selection Notes

Select this component when a stable 26.666666 MHz reference is required for LVCMOS-compatible digital circuits. Consider the 1.8V operating voltage and the need for active low or high enable control. The small form factor suits space-constrained designs. Evaluate thermal performance and stability requirements relative to the application environment to ensure reliable long-term operation.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series offers various frequencies and voltage options. Mercury Electronics specializes in frequency control products including quartz crystals and oscillators. This specific model provides a fixed frequency solution for standard timing applications without requiring external tuning components.

Oscillators Replacement Considerations

Direct substitutes include other 26.666666 MHz LVCMOS oscillators in 4-SMD packages from manufacturers such as Epson, SiTime, or Micro Crystal. Verify pinout compatibility, voltage levels, and enable logic polarity. Cross-reference electrical specifications like current consumption and phase noise if critical to the design.