18QHTF21-13.5468-PD

Overview

The 18QHTF21-13.5468-PD is a 13.5468 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates on a 1.8V supply voltage. The device features a Standby (Power Down) function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.5mm x 2.0mm. This component is designed for timing applications requiring precise frequency generation within standard operating temperature ranges.

Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Includes standby mode capability to reduce power consumption during idle periods
• Utilizes a leadless surface-mount package for automated assembly integration

Applications

• Battery-powered portable electronic devices
• General-purpose digital timing circuits
• Embedded systems requiring low-voltage clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 2.5x2.0mm footprint matches the PCB layout design. Check for any specific handling instructions regarding the leadless package type.

Selection Notes

Select this component when a 13.5468 MHz clock signal is required with a 1.8V operating voltage. Consider the LVCMOS output level for direct interfacing with compatible logic families. Evaluate the standby feature if power efficiency is critical for the application. Compare physical dimensions against available board space constraints.

Part Context

This part belongs to the Mercury Electronic Ind. Co. Ltd. series of quartz crystal oscillators. The manufacturer specializes in frequency control products including crystals, filters, and oscillators. The 18QHTF21 series represents a line of standard XO components designed for various consumer and industrial electronics applications.

Replacement Considerations

Potential substitutes include other 13.5468 MHz LVCMOS oscillators with identical 1.8V supply and 2.5x2.0mm package dimensions. Verify pinout compatibility and electrical specifications such as current consumption and output swing before substitution.