18QHTF21-83.3545-OE

Overview

The 18QHTF21-83.3545-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 83.3545 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 requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable pin for power control
• Surface-mount 4-SMD no lead package design

Applications

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

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 footprint matches your PCB layout constraints. Cross-reference the datasheet for operating temperature ranges to guarantee reliability under your specific environmental conditions.

Selection Notes

Select this component when a stable 83.3545 MHz reference is required for LVCMOS-compatible circuits. The integrated enable function allows for dynamic power management during idle states. Consider the small form factor of the 4-SMD package for space-constrained designs. Ensure the 1.8V operating voltage matches the target system logic levels to avoid signal integrity issues.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency oscillators. The 18QHTF21 prefix indicates a specific family of surface-mount devices. Mercury Electronics specializes in quartz-based frequency control products, leveraging decades of manufacturing expertise to produce reliable timing components for various electronic applications.

Replacement Considerations

Direct substitutes must match the 83.3545 MHz frequency, LVCMOS output type, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical specifications before substitution.