18QHTF21-71.466667-OE

Overview

The 18QHTF21-71.466667-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 71.466667 MHz with an LVCMOS output logic level. The device functions on a 1.8V supply voltage and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output interface
• Enable/Disable control functionality
• Standard XO design

Applications

• General purpose clock generation
• Embedded systems timing
• Digital signal processing circuits

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a precise 71.466667 MHz clock source is required with low voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the enable pin feature if power management or clock gating is necessary within the application design constraints.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series typically offers various frequencies and packaging options. Mercury has a long history in Taiwan manufacturing quartz crystals, providing reliable frequency control solutions for electronic industries globally.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and electrical characteristics but different frequencies, such as 18QHTF21-71.466-OE if approximate frequency is acceptable. Cross-reference with similar LVCMOS oscillators from other manufacturers ensuring matching voltage, package, and frequency specs.