18QHTF21-74.03125-OE

Overview

The 18QHTF21-74.03125-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 74.03125 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features an enable/disable control capability. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• Supports active enable and disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed for surface mount integration via a 4-SMD no lead package

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded electronics requiring low voltage operation

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no lead package dimensions fit the designated PCB footprint to avoid assembly issues.

Selection Notes

Select this component when a precise 74.03125 MHz clock source is required within a low voltage environment. The LVCMOS output ensures compatibility with standard digital logic families. Consider the enable pin feature if dynamic power saving or clock gating is necessary for the application.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various frequencies while maintaining consistent electrical characteristics and packaging standards across the product line.

Replacement Considerations

Direct substitutes must match the 74.03125 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify equivalent performance specifications from alternative manufacturers before implementation.