18QHTF21-26.5939-OE

Oscillators Overview

The 18QHTF21-26.5939-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.5939 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an integrated enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. This oscillator provides precise timing signals for digital circuits requiring stable clock references.

Oscillators Feature Summary

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

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing
• Embedded microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin logic levels are compatible with your controlling GPIO. Check the datasheet for operating temperature range specifications to ensure environmental suitability for your intended application environment.

Oscillators Selection Notes

Select this component when a precise 26.5939 MHz clock source is required with low power consumption capabilities. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 1.8V operation if your system design prioritizes energy efficiency. The enable/disable feature allows for dynamic power management during idle periods. Verify that the 4-SMD package dimensions fit within your PCB layout constraints.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which specializes in quartz-based timing solutions. Mercury Electronic Ind. Co. Ltd has extensive experience in manufacturing frequency control products since 1973. The company is recognized as a pioneer in Taiwan's quartz crystal industry. Their product portfolio includes various oscillators and resonators designed for diverse electronic applications.

Oscillators Replacement Considerations

Direct substitutes must match the 26.5939 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify electrical parameters such as phase noise and jitter specifications from alternative manufacturers. Ensure the replacement part supports the same enable/disable control mechanism. Check mechanical footprint compatibility for seamless PCB integration.