18QHTF21-27.4688-OE

Oscillators Overview

The 18QHTF21-27.4688-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.4688 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage range of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals in electronic circuits.

Oscillators Feature Summary

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

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Request the official datasheet from Mercury Electronics to validate electrical characteristics and thermal performance specifications for your operating environment.

Oscillators Selection Notes

Select this component when a stable 27.4688 MHz reference is required with low power consumption capabilities. The LVCMOS interface ensures direct compatibility with standard digital logic families. Consider the enable feature if dynamic power saving is necessary during idle periods. Verify that the operating temperature range meets your application's environmental conditions.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based timing solutions. The manufacturer has decades of experience in Taiwan's frequency control industry. This series typically offers high stability and reliability for consumer and industrial electronics. The part number suffix indicates specific frequency and package variations within the product line.

Oscillators Replacement Considerations

Direct substitutes must match the 27.4688 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Check equivalent models from other manufacturers ensuring identical pinout and electrical parameters. Verify that any alternative component meets the same temperature and stability standards.