18QHTF21-11.3541-PD

Overview

The 18QHTF21-11.3541-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 11.3541 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, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Applications

• Digital signal processing circuits
• Communication equipment timing
• Embedded system clock generation

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and packaging options. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check for any specific environmental ratings if operating in extreme conditions. Ensure the 4-SMD footprint matches the PCB layout constraints.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS compatibility. The integrated power-down feature makes it suitable for battery-powered devices. Consider the small form factor of the 4-SMD package for space-constrained designs. Verify frequency stability requirements against application needs.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. Mercury Electronics is a Taiwan-based manufacturer specializing in quartz crystals and timing components. The company has decades of experience in frequency control products.

Replacement Considerations

Check for direct substitutes within the same series, such as other frequencies in the 18QHTF21 line. Verify pinout and electrical specifications before swapping. Consult official documentation for approved alternatives.