18QHTF21-66.666666-OE

Overview

The 18QHTF21-66.666666-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 66.666666 MHz and utilizes LVCMOS output logic. The device is powered by a 1.8V supply voltage and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Feature Summary

• LVCMOS output logic interface
• Integrated enable/disable control
• Compact 4-SMD no-lead surface mount package

Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure compatibility with your design requirements. Confirm that the 1.8V supply voltage and LVCMOS output levels match your target circuit specifications before procurement.

Selection Notes

Select this component when a precise 66.666666 MHz clock source is required with low-voltage operation. Ensure the PCB layout supports the 4-SMD no-lead package dimensions and that the system design accommodates the enable/disable pin functionality for power optimization.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The company has decades of experience in manufacturing precision timing components, positioning this model as a standard solution for reliable clock generation in electronic systems.

Replacement Considerations

Direct substitutes include other 66.666666 MHz LVCMOS oscillators in compatible packages. Verify electrical parameters such as supply voltage and output logic levels before substitution.