18QHTF21-31.9488-PD

Oscillators Overview

The 18QHTF21-31.9488-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 31.9488 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 2.0mm x 1.6mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features a standby mode to reduce power consumption during idle periods
• Utilizes a surface-mount package design for automated assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference sources for digital systems
• Embedded devices requiring low-profile oscillators

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure the correct package type and electrical specifications match the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check the datasheet for precise dimensional tolerances to ensure mechanical fit within the enclosure.

Oscillators Selection Notes

Select this component when a 31.9488 MHz timing source is required with LVCMOS outputs. Consider the 1.8V operating voltage constraint and the need for power-down functionality. Evaluate the 2.0x1.6mm footprint against available board space and mounting constraints.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer has extensive experience in quartz crystal production, offering various oscillator types including TCXO and VCXO. This specific model represents a standard fixed-frequency option within their portfolio.

Oscillators Replacement Considerations

Direct substitutes include other 31.9488 MHz LVCMOS oscillators in similar SMD packages from compatible manufacturers. Ensure voltage levels and pin configurations are identical before swapping components.