18QHTF21-64.440-OE

Overview

The 18QHTF21-64.440-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 64.44 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic compatibility
• Enable/Disable control capability
• Compact 4-SMD no lead package design

Applications

• High-performance digital systems
• Communication equipment timing
• Data processing circuits

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints to guarantee proper soldering and mechanical stability during assembly.

Selection Notes

Select this component when a stable 64.44 MHz clock signal is required for LVCMOS-compatible logic families. Consider the enable/disable feature if power efficiency is critical for the application. Evaluate the operating temperature range to ensure reliability under expected environmental conditions compared to alternative oscillators.

Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products including quartz crystals, oscillators, and filters. This part belongs to their line of standard XO devices, leveraging decades of experience in precision timing solutions for electronic industries.

Replacement Considerations

Check datasheets for compatible parts from Mercury Electronics or other suppliers offering 64.44 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical specifications such as supply voltage and current consumption before substitution.