18QHTF21-12.000393-PD

Overview

The 18QHTF21-12.000393-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.000393 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• Supports standby mode for power reduction
• Utilizes LVCMOS output interface
• Compact 4-SMD no lead package design

Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load conditions. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD footprint matches the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a precise 12.000393 MHz clock source is required with low voltage operation. Consider the LVCMOS output compatibility with downstream digital logic families. Evaluate the need for standby functionality to manage power consumption in battery-operated or energy-sensitive designs.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and output types. This specific model represents a standard frequency option within their portfolio.

Replacement Considerations

Direct substitutes include other 12.000393 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage and output swing before substitution.