18QHTF21-119.999999-OE

Overview

The 18QHTF21-119.999999-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 119.999999 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage 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

• Supports Enable/Disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Compact 4-SMD No Lead surface-mount package design

Applications

• Timing and clock signal generation in electronic devices
• Digital circuit synchronization systems
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system's power rails. Confirm that the LVCMOS output levels are compatible with the receiving logic inputs to prevent signal integrity issues during integration.

Selection Notes

Select this component when a precise 119.999999 MHz clock source is required with low-voltage operation. Consider the enable/disable feature if dynamic power management is necessary. Evaluate the 4-SMD package size constraints against the PCB layout requirements to ensure proper mounting and thermal performance within the designated footprint.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The suffix OE indicates specific configuration options within the manufacturer's lineup, distinguishing it from other variants in the same family with different frequencies or packages.

Replacement Considerations

Direct substitutes include other 18QHTF21 series parts such as 18QHTF21-13.1313-OE or 18QHTF21-44.200-OE if frequency differences are acceptable. Verify pinout and electrical specifications match exactly before substitution to ensure functional compatibility in the existing circuit design.