18QHTF21-24.579-PD

Oscillators Overview

The 18QHTF21-24.579-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 24.579 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Features a built-in standby mode to reduce power consumption during idle periods
• Utilizes a surface-mount 4-SMD no-lead package for automated assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 24.579 MHz
• Embedded devices utilizing low-voltage 1.8V power domains

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the 4-SMD footprint matches the PCB layout silkscreen and solder mask definitions to prevent mounting errors during assembly.

Oscillators Selection Notes

Select this component when a precise 24.579 MHz timing source is required within a 1.8V logic environment. The choice is driven by the need for LVCMOS compatibility and low-profile surface-mount packaging. Consider the standby feature if power efficiency is a critical constraint for the application's operational lifecycle.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, designed for frequency control applications. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. The 18QHTF21 suffix indicates a specific form factor and electrical characteristic set within their product line.

Oscillators Replacement Considerations

Direct substitutes include other 24.579 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers, provided pinout and voltage specifications match. Verify equivalent frequency stability and phase noise parameters before substitution.