18QHTF21-85.504054-OE

Overview

The 18QHTF21-85.504054-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 85.504054 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. 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 for digital interface compatibility
• Integrated enable and disable functionality for power management
• Compact 4-SMD no-lead surface mount package design

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring LVCMOS interfaces
• Embedded devices utilizing low-voltage power supplies

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. Request official datasheets to validate electrical characteristics for critical timing applications.

Selection Notes

Select this component when a precise 85.504054 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage and enable/disable features for power-sensitive designs. Evaluate the 4-SMD package size for space-constrained layouts. Compare performance metrics such as phase noise and stability if available in official documentation.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The brand has a history of manufacturing quartz crystals and oscillators since 1973. This specific model represents a surface-mount option within their portfolio of frequency control products.

Replacement Considerations

Check for direct substitutes with identical frequency, voltage, and package dimensions. Verify compatibility of LVCMOS output levels and enable pin configurations. Consult manufacturer cross-reference lists for verified alternatives.