18QHTF21-66.562-PD

Overview

The 18QHTF21-66.562-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 66.562 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• Supports LVCMOS output interface
• Includes standby mode for power management
• Compact 4-SMD no lead package design

Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your application needs before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check datasheet specifications for operating temperature range compliance.

Selection Notes

Select this component when a precise 66.562 MHz clock source is required with low power consumption features. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the standby capability if power efficiency during idle states is a priority for the design.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronic. The manufacturer is a pioneer in quartz crystal production in Taiwan with decades of industry experience. This series typically offers standard performance characteristics for general electronic applications.

Replacement Considerations

Direct substitutes within the same series include models such as 18QHTF21-6.312-PD or 18QHTF21-51.200-PD, provided the frequency difference is acceptable. Verify pinout and electrical parameters match before substitution.