18QHTF21-111.375-OE

Overview

The 18QHTF21-111.375-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 111.375 MHz with a supply voltage of 1.8V. The device utilizes LVCMOS output logic and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise clock signals within low-voltage digital systems.

Feature Summary

• Provides stable clock signal generation at specified frequencies
• Integrates enable/disable functionality for power management
• Utilizes low-voltage operation compatible with modern digital circuits

Applications

• Digital communication equipment timing
• Consumer electronics clock sources
• Industrial control system synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your 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 111.375 MHz clock source is required in a minimal footprint. Consider the 1.8V operating voltage for compatibility with low-power processors. Evaluate the thermal performance and environmental stability needs against the standard specifications provided in the official datasheet to ensure reliable operation under expected conditions.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on surface-mount crystal oscillators. The series offers various frequencies within a standardized 2.0x1.6mm package. Mercury Electronics specializes in quartz-based frequency control products, providing solutions for timing applications across multiple industries.

Replacement Considerations

Check for direct substitutes with identical pinout and electrical characteristics. Verify that any alternative maintains the 111.375 MHz frequency and 1.8V supply requirement. Ensure the replacement supports LVCMOS output and fits the 4-SMD no-lead form factor without mechanical interference.