18QHTF21-18.88125-OE

Oscillators Overview

The 18QHTF21-18.88125-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 18.88125 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 1.8V and includes an enable/disable control function to manage power consumption. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• Supports LVCMOS output signal compatibility
• Includes hardware enable/disable control functionality
• Designed for low-voltage 1.8V operation

Oscillators Applications

• Digital clock signal generation
• Data communication interface timing
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific operating temperature range 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 no-lead package footprint matches your PCB layout constraints. Request the official datasheet from Mercury Electronics for precise electrical characteristics and soldering recommendations.

Oscillators Selection Notes

Select this component when a stable 18.88125 MHz reference is required for LVCMOS-compatible digital circuits. The integrated enable pin allows for dynamic power management in battery-operated devices. Consider the 1.8V supply requirement to ensure compatibility with modern low-voltage logic families. The surface-mount package facilitates automated assembly processes.

Oscillators Part Context

This part belongs to the QHTF series of quartz crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options within similar SMD packages. This specific model provides a precise frequency for applications requiring accurate timing without the complexity of external resonator components.

Oscillators Replacement Considerations

Direct substitutes include other 18.88125 MHz LVCMOS oscillators with identical 1.8V supply and enable features. Verify package dimensions and pinout compatibility before substitution. Cross-reference with Mercury's own variants such as different voltage options if power supply adjustments are permissible.