18QHTF21-57.633667-OE

Overview

The 18QHTF21-57.633667-OE is a standard quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.633667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. The component is compliant with RoHS standards, ensuring environmental safety. This oscillator is engineered to provide stable clock signals for high-performance digital circuits requiring precise timing synchronization.

Feature Summary

• LVCMOS output logic compatible with standard digital interfaces
• Integrated enable/disable functionality for power optimization
• RoHS compliant construction for environmental safety

Applications

• High-performance digital circuit timing
• Precision clock signal generation
• Surface-mount electronic assemblies

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge sensitivity during assembly processes.

Selection Notes

Select this component when a precise 57.633667 MHz clock source is required for LVCMOS-compatible logic families. Consider the low-profile 4-SMD package for space-constrained designs. Evaluate the enable/disable pin utility if dynamic power management is critical to your application. Compare performance metrics such as phase noise and stability against alternative oscillators in the same series to ensure optimal system reliability.

Part Context

This model belongs to the QHTF series of quartz crystal oscillators from Mercury Electronics. The series offers various frequencies and packages tailored for different electronic needs. As part of Mercury's extensive portfolio established since 1973, these components are recognized for their reliability in Taiwan's crystal industry. The 18QHTF21 variant specifically targets applications needing small form factors and standard logic outputs.

Replacement Considerations

Direct substitutes within the same series include models like 18QHTF21-65.300-OE or 18QHTF21-44.200-OE, though they operate at different frequencies. When replacing, ensure the new part matches the required frequency, voltage, and package dimensions. Verify compatibility with existing LVCMOS drivers and control logic.