18QHTF21-13.5686-PD

Overview

The 18QHTF21-13.5686-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.5686 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode functionality for power management
• Utilizes a leadless SMD package for space-efficient mounting

Applications

• Digital signal processing systems
• Communication equipment requiring clock synchronization
• Embedded control circuits

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to prevent assembly errors.

Selection Notes

Select this component when a stable 13.5686 MHz reference is required for LVCMOS-compatible digital logic. Consider the low-voltage operation and standby feature if power efficiency is a priority. Evaluate the thermal performance and operating temperature range to ensure reliability under your specific environmental conditions.

Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard crystal oscillators. The series offers various frequencies and voltage options within a small form factor. Mercury Electronic has extensive experience in quartz crystal manufacturing, providing reliable frequency control solutions for industrial and consumer electronics markets.

Replacement Considerations

Check for direct substitutes from Mercury Electronics such as the 18QHTF21-13.5635-PD or other variants in the same series with compatible pinouts and electrical characteristics. Ensure any replacement maintains the LVCMOS output type and 1.8V supply requirement.