18QHTF21-18.4322-OE

Oscillators Overview

The 18QHTF21-18.4322-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 18.4322 MHz and utilizes LVCMOS output logic levels. The device supports an active enable/disable control function for power management. It is designed to operate with a supply voltage of 1.8V. The component is housed in a compact 4-SMD, No Lead surface-mount package, suitable for automated assembly processes.

Oscillators Feature Summary

• Supports LVCMOS output signal compatibility
• Features integrated enable/disable control functionality
• Operates on a 1.8V power supply rail

Oscillators Applications

• Digital clock signal generation
• System timing reference circuits
• Embedded microcontroller interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power architecture. Ensure the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the manufacturer datasheet for detailed electrical specifications and reliability data.

Oscillators Selection Notes

Select this component when a precise 18.4322 MHz reference is required for low-voltage digital systems. The LVCMOS interface ensures direct compatibility with standard logic inputs without additional buffering. The enable pin allows for dynamic power saving during idle states. Consider thermal performance and stability requirements under varying environmental conditions.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, a manufacturer specializing in quartz frequency control products since 1973. The series offers various frequency options within a standardized small outline package format. Mercury Electronics is recognized as a pioneer in the Taiwanese quartz crystal industry, providing reliable timing solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 18.4322 MHz frequency, 1.8V operation, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before substitution.