18QHTF21-13.54856-OE

Overview

The 18QHTF21-13.54856-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.54856 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

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

Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Procurement Notes

Verify the specific ordering suffix to ensure the correct control function and packaging variant matches the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check the datasheet for exact electrical characteristics and thermal specifications before finalizing the component selection for production.

Selection Notes

Select this oscillator when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The enable/disable feature allows for dynamic power control in battery-operated devices. Ensure the PCB footprint supports the 4-SMD No Lead package dimensions and that the operating temperature range meets the environmental conditions of the intended application.

Part Context

This component belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and oscillators. The manufacturer has been producing frequency control products since 1973, establishing expertise in Taiwan's crystal industry. This series provides reliable timing solutions for various electronic applications requiring stable frequency generation.

Replacement Considerations

Direct substitutes include other 13.54856 MHz LVCMOS oscillators with 1.8V supply and 4-SMD No Lead packages. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before substitution.