18QHTF21-13.511-PD

Overview

The 18QHTF21-13.511-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.511 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package, specifically identified as a 4-VDFN with dimensions of 3.2x2.5 mm. This component is designed for surface mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output interface for standard digital logic compatibility
• Integrates standby mode functionality to enable power down operations
• Utilizes a compact 4-SMD No Lead surface mount package design

Applications

• Battery-powered portable electronic devices
• General purpose digital circuit timing references
• Embedded systems requiring low power consumption

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Ensure the 1.8V supply voltage aligns with your target platform's power rails. Confirm that the 4-SMD No Lead package footprint matches your PCB layout specifications to avoid assembly issues during manufacturing.

Selection Notes

Select this component when a 13.511 MHz clock signal is required with LVCMOS compatibility. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the 4-SMD package size constraints against available board space. Compare performance metrics such as phase noise and stability if critical timing precision is necessary for the application.

Part Context

This oscillator belongs to the Mercury Electronics SMD Oscillator series, which includes various models like H21 and H22. The manufacturer has over 40 years of experience in quartz crystal production. The product line focuses on providing reliable frequency control solutions for modern electronic equipment requiring stable timing sources.

Replacement Considerations

Direct substitutes may include other 13.511 MHz LVCMOS oscillators in similar packages from different manufacturers. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with Mercury Electronics part numbers such as those in the 18QHTF21 series for alternative frequencies or voltage options.