18QHTF21-74.5855-OE

Overview

The 18QHTF21-74.5855-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 74.5855 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable control functionality
• Utilizes quartz-based resonator technology for frequency stability

Applications

• General-purpose clock signal generation in electronic circuits
• Timing reference for digital systems requiring 74.5855 MHz input
• Embedded devices utilizing 1.8V power domains

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

Selection Notes

Select this component when a fixed 74.5855 MHz clock source is required within a low-voltage 1.8V environment. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the enable pin feature if power management or clock gating is necessary for the application. The small form factor makes it appropriate for space-constrained designs.

Part Context

This part belongs to the Mercury Electronics XO (Standard) series, which provides fixed-frequency oscillators. The model number indicates a specific frequency variant within the 18QHTF21 family. These components are quartz-based and designed for reliable operation in consumer and industrial electronics where stable timing references are critical for system synchronization.

FAQ

What is the output logic type of the 18QHTF21-74.5855-OE?

The component uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this oscillator support power control?

Yes, the device includes an enable and disable function controlled via the supply voltage or a dedicated pin.