18QHTF21-114.225-OE

Overview

The 18QHTF21-114.225-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fixed frequency of 114.225 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features an enable/disable control pin for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm. The maximum supply current is specified as 28mA. This component serves as a precise clock source for digital circuits requiring stable frequency generation.

Feature Summary

• Integrates LVCMOS output logic for direct interfacing with digital systems
• Includes enable/disable functionality to manage power consumption
• Utilizes a surface-mount package design for automated assembly

Applications

• Clock signal generation for high-speed digital processors
• Timing reference for communication interface modules
• Frequency source for embedded system controllers

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions. Check for any specific reflow soldering profile recommendations provided in the manufacturer's datasheet to ensure reliability during assembly processes.

Selection Notes

Select this component when a precise 114.225 MHz clock is required with low voltage operation. Consider the enable pin feature if power efficiency is critical for the application. Evaluate the small form factor suitability for dense PCB layouts. Compare performance metrics such as phase noise and stability against other available oscillators in the same frequency range to ensure compatibility with system timing constraints.

Part Context

This oscillator belongs to the Mercury Electronics XO series, designed for general-purpose frequency control applications. The product line emphasizes compact size and reliable performance for consumer and industrial electronics. Mercury Electronics leverages decades of experience in quartz crystal manufacturing to produce these components. The series supports various frequencies and output types to meet diverse electronic design needs.

Replacement Considerations

Direct substitutes must match the 114.225 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify equivalent electrical specifications including current consumption and operating temperature range. Cross-reference part numbers from other manufacturers offering identical form factors and performance characteristics to ensure seamless integration without redesign.