18QHTF21-28.891426-OE

Oscillators Overview

The 18QHTF21-28.891426-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 28.891426 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Digital circuit synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the OE suffix with official documentation to confirm any specific ordering or packaging variations defined by the manufacturer.

Oscillators Selection Notes

Select this component when a precise 28.891426 MHz reference is required in space-constrained designs. The LVCMOS output ensures direct interfacing with standard digital logic without additional buffering. Consider the enable pin utility for power management strategies. Evaluate the thermal performance and operating temperature range relative to the intended environment to ensure reliable operation under all conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various standard frequencies in small form factors. Mercury Electronics has a long history in Taiwan's quartz industry, providing reliable timing solutions for electronic components.

Oscillators Replacement Considerations

Direct replacements must match the 28.891426 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if specified in the original datasheet. Consult official substitution lists from Mercury Electronics for validated alternatives.