18QHTF21-12.045-OE

Overview

The 18QHTF21-12.045-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.045 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, functioning at 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly.

Feature Summary

• Supports LVCMOS output signal format for digital logic compatibility
• Includes enable/disable functionality for power management
• Operates at a nominal voltage of 1.8V
• Utilizes a small 4-SMD no-lead surface mount package

Applications

• General-purpose clock generation in embedded systems
• Timing reference for microcontrollers and processors
• Digital communication interface synchronization
• Consumer electronics requiring precise timing signals

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 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific RoHS or environmental compliance certifications required by your manufacturing standards. Always refer to the official datasheet for detailed electrical characteristics and soldering recommendations.

Selection Notes

Select this component when a low-profile, 1.8V LVCMOS oscillator is required for space-constrained designs. Consider the 12.045 MHz frequency specifically if it matches your system clock needs. Evaluate the enable/disable feature if power efficiency during idle states is critical. Compare the 2.0x1.6 mm package size against available alternatives to ensure mechanical fit. Verify that the manufacturer's quality standards meet your application's reliability requirements.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on miniature crystal oscillators. The series typically offers various frequencies and voltage options within a standardized small outline package. Mercury Electronics specializes in frequency control products, including quartz crystals and oscillators, serving industries requiring precise timing solutions. This specific model represents a standard XO variant optimized for modern low-voltage digital circuits.

FAQ

What is the output signal type of the 18QHTF21-12.045-OE?

The output signal type is LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor).

Does this oscillator support power control?

Yes, the device includes an enable/disable pin to control the oscillator's operation state.

What is the operating voltage for this component?

The nominal operating voltage is 1.8V.