18QHTF21-22.500-PD

Oscillators Overview

The 18QHTF21-22.500-PD is a 22.5 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode functionality to reduce power consumption
• Designed for surface-mount assembly using a leadless SMD package

Oscillators Applications

• General clock signal generation in electronic circuits
• Digital system timing reference applications
• Embedded devices requiring low-voltage operation

Oscillators 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 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 22.5 MHz clock source is required within a low-power environment. The choice is driven by the need for LVCMOS compatibility and the availability of a standby feature. Consider the physical constraints of the 4-SMD package size relative to other available oscillator options in the Mercury Electronics portfolio.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard crystal oscillators. The series offers various frequencies including 8 MHz, 18.1059 MHz, 38.68 MHz, and 51.2 MHz. All variants share similar electrical characteristics such as 1.8V operation and LVCMOS outputs, differing primarily in their nominal frequency specifications.

Oscillators Replacement Considerations

Direct substitutes include other 22.5 MHz LVCMOS oscillators from Mercury Electronics with identical pinouts and voltage ratings. Cross-reference with the 18QHTF21 series datasheet for compatible alternatives offering similar form factors and electrical performance metrics.