18QHTF21-66.208-OE

Overview

The 18QHTF21-66.208-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 66.208 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact surface-mount package design

Applications

• General clock signal generation
• Digital system timing references
• Embedded circuit synchronization

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct voltage and package specifications. Confirm that the OE variant matches the required enable/disable pin configuration. Cross-reference the part number with the latest datasheet to validate electrical parameters before integration into designs.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise frequency stability. The small form factor suits space-constrained layouts. Ensure the host circuitry supports LVCMOS levels and that the enable pin can be properly managed within the system architecture.

Part Context

This model belongs to the Mercury Electronics XO series, designed for standard frequency control applications. The 18QHTF21 prefix indicates a specific family of surface-mount oscillators characterized by low power consumption and small physical dimensions suitable for modern electronic assemblies.

Replacement Considerations

Direct substitutes include other 66.208 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-66.208-PD, provided the package and voltage specifications align with the original design requirements.