18QHTF21-66.66667-OE

Overview

The 18QHTF21-66.66667-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 66.66667 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

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

Applications

• Digital signal processing systems
• Communication equipment clocking
• Microcontroller timing references

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the enable/disable pin configuration matches the control logic available in the application circuit to ensure proper operation.

Selection Notes

Select this component when a 66.66667 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage and the need for an enable/disable feature. The 4-SMD no-lead package size should fit within the available PCB real estate constraints for the specific electronic assembly.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and oscillators. The series offers various frequencies and packages. This specific model provides a high-precision 66.66667 MHz output in a small form factor, catering to modern miniaturized electronics designs.

Replacement Considerations

Check for direct substitutes like the 18QHTF21-66.66667-PD variant, which shares similar electrical characteristics but may differ in packaging or specific ordering suffixes. Verify pinout and voltage compatibility before substitution.