18QHTF21-20.800-PD

Oscillators Overview

The 18QHTF21-20.800-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.8 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.

Oscillators Feature Summary

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

Oscillators Applications

• High-frequency timing applications
• Digital signal processing systems
• Communication equipment

Oscillators Procurement Notes

Verify the specific suffix PD against official Mercury documentation to confirm pinout and electrical characteristics. Ensure the 1.8V supply requirement matches the target circuit design. Confirm the 4-SMD package dimensions fit the PCB footprint constraints before ordering.

Oscillators Selection Notes

Select this component when a precise 20.8 MHz clock source is required with low voltage operation. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the standby feature if power efficiency is a critical design parameter for the application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized small outline package. The manufacturer has extensive experience in quartz crystal production, providing reliable timing solutions for electronic circuits.

Oscillators Replacement Considerations

Direct substitutes include other 20.8 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify voltage and pin configuration before swapping. Cross-reference with Mercury's official replacement guide for exact functional equivalents.