18QHTF21-66.3552-OE

Overview

The 18QHTF21-66.3552-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 66.3552 MHz and utilizes an LVCMOS output interface. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• Supports enable and disable functionality for power management
• Utilizes LVCMOS output signaling
• Designed for surface mount integration

Applications

• Computing systems
• Consumer electronics
• Communication equipment

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 1.8V supply voltage aligns with your target circuit's power rails. Ensure the 4-SMD no lead package footprint matches your PCB layout constraints to guarantee proper assembly and electrical connectivity.

Selection Notes

Select this component when a precise 66.3552 MHz clock signal is required for digital logic interfacing. The LVCMOS output ensures compatibility with standard CMOS logic families operating at 1.8V. Consider the enable pin feature if dynamic power saving or clock gating is necessary within the application architecture.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan producing quartz crystals and oscillators. This series targets applications requiring stable clock sources for computing and communication devices.

Replacement Considerations

Direct substitutes include other models from the same series such as 18QHTF21-44.200-OE or 18QHTF21-13.1313-OE, provided the frequency difference is acceptable for the design.