18QHTF21-65.5361-OE

Overview

The 18QHTF21-65.5361-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 65.5361 MHz and utilizes an LVCMOS output format. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports LVCMOS output signal format for digital interface compatibility
• Features integrated enable and disable functionality for power management
• Utilizes a surface-mount 4-SMD no-lead package design

Applications

• Digital clock generation in embedded systems
• Timing reference for microprocessors
• Communication interface synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a precise 65.5361 MHz timing source is required for low-voltage digital logic applications. The LVCMOS output ensures direct interfacing with compatible logic families without additional level shifting. Consider the enable pin utility for systems requiring dynamic power conservation or clock gating strategies during idle states.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, designed for high-frequency precision timing. The series typically offers standard XO performance with small form factors suitable for space-constrained portable electronics and industrial control boards where stable clock signals are critical for data integrity.

Replacement Considerations

Direct substitutes must match the 65.5361 MHz frequency, LVCMOS output type, 1.8V operating voltage, and 4-SMD no-lead package outline. Verify equivalent electrical characteristics such as phase noise and jitter specifications to ensure functional parity in the application.